Patents by Inventor Atsushi Murakami
Atsushi Murakami has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8308263Abstract: A droplet ejection apparatus includes droplet ejection units each including a supply port and an ejection port, a common supply flow path, a common discharge flow path, supply flow paths that connect the supply port to the common supply flow path, openable mechanisms provided at the supply flow paths, discharge flow paths that connect the ejection port to the common discharge flow path, one-way valves provided at the discharge flow paths, a pressure applying unit, and a controller. When performing a maintenance operation of a selected droplet ejection unit, the controller applies a pressure with the pressure applying unit so that the pressure in the plural discharge flow paths at the common discharge flow path side with respect to the respective one-way valves is higher than the other side, and opens only the openable mechanism corresponding to the selected droplet ejection unit.Type: GrantFiled: December 21, 2009Date of Patent: November 13, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Atsushi Murakami, Masaki Kataoka, Masahito Katada, Yuko Katada, legal representative, Natsuki Katada, legal representative, Daichi Katada, legal representative, Tetsuzo Kadomatsu
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Publication number: 20120269531Abstract: An image forming apparatus includes a image carrying member; a transfer member forming a transfer nip for nipping and feeding a sheet while transferring the toner image onto the sheet; a fixing unit having a fixing nip for nipping and feeding the sheet discharged from the transfer nip while fixing the toner image; a bowing amount measuring unit for measuring a bowing amount of the sheet which is fed while being nipped by the transfer nip and fixing nip; and a sheet feeding speed controller, wherein the controller is capable of controlling the feeding speed of the fixing nip on the basis of a result detection of the measuring unit such that the bowing amount is substantially zero at the time when a trailing end of the sheet goes out of the transfer nip.Type: ApplicationFiled: April 17, 2012Publication date: October 25, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Akimichi Suzuki, Atsushi Murakami, Terutaka Endo, Hisayuki Tomura
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Patent number: 8256861Abstract: A droplet ejection apparatus includes a common flow path; droplet ejection units each respectively including a first distribution port; first flow paths that respectively connect each first distribution port to the common flow path; first open/close mechanisms provided respectively at the first flow paths; a first pressurizing unit that applies a positive pressure to the common flow path; a second open/close mechanisms provided at the common flow path at the first pressurizing unit side of connection portions that connect the common flow path and the respective first flow paths; and a controller. When the second open/close mechanism is closed, the controller opens only one or more first open/close mechanisms corresponding to one or more target droplet ejection units, applies positive pressure to a section of the common flow path at the first pressurizing unit side of the second open/close mechanism, and then opens the second open/close mechanism.Type: GrantFiled: December 21, 2009Date of Patent: September 4, 2012Assignees: Fuji Xerox Co., Ltd., Fujifilm CorporationInventors: Atsushi Murakami, Masaki Kataoka, Masahito Katada, Yuko Katada, legal representative, Natsuki Katada, legal representative, Daichi Katada, legal representative, Tetsuzo Kadomatsu
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Patent number: 8240823Abstract: A liquid droplet ejecting apparatus including: plural liquid droplet ejecting portions; supply-side individual flow paths; discharge-side individual flow paths; a supply-side common flow path; a discharge-side common flow path; first opening/closing mechanisms; second opening/closing mechanisms; a first pressure applying portion; a second pressure applying portion; a first circulating path; a third opening/closing mechanism; a second circulating path including an upstream end portion being connected to the supply-side common flow path further downstream than a connecting portion of a supply-side individual flow path connected to the supply-side common flow path at a furthest upstream side in a liquid circulating direction and a downstream end portion being connected to the discharge-side common flow path, and circulating the liquid between the supply-side common flow path and the discharge-side common flow path; and a fourth opening/closing mechanism, is provided.Type: GrantFiled: March 17, 2010Date of Patent: August 14, 2012Assignees: Fuji Xerox Co., Ltd., Fujifilm CorporationInventors: Atsushi Murakami, Masaki Kataoka, Tetsuzo Kadomatsu, Hiroshi Shibata
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Publication number: 20120125489Abstract: High strength steel wire for spring containing, by mass %, C: 0.67% to less than 0.75%, Si: 2.0 to 2.5%, Mn: 0.5 to 1.2%, Cr: 0.8 to 1.3%, V: 0.03 to 0.20%, Mo: 0.05 to 0.25%, W: 0.05 to 0.30%, and N: 0.003 to 0.007%, having a total of contents of Mn and V of 0.70%?Mn+V?1.27% and a total of contents of Mo and W of 0.13%?Mo+W?0.35%, limiting P: 0.025% or less, S: 0.025% or less, and Al: 0.003% or less, and having a balance of iron and unavoidable impurities, having a microstructure comprised of, by volume percent, over 6% to 15% of retained austenite and tempered martensite, having a prior-austenite grain size number of 10 or more, having a density of presence of spheroidal carbides with a circle equivalent diameter of 0.2 to 0.5 ?m of 0.06 particles/?m2 or less, having a density of presence of spheroidal carbides with a circle equivalent diameter of over 0.5 ?m of 0.01 particles/?m2 or less, and having a tensile strength of 2100 to 2350 MPa.Type: ApplicationFiled: July 9, 2010Publication date: May 24, 2012Inventors: Masayuki Hashimura, Hitoshi Demachi, Takayuki Kisu, Shoichi Suzuki, Motonobu Suehiro, Jun Kawaguchi, Keiichi Maekawa, Atsushi Murakami
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Publication number: 20120121790Abstract: Provided is an alcohol-free beer-like malt beverage from wort added with hop component without fermentation, having reduced off-flavor intrinsic to a malt beverage and suppressed nasty smell derived from hop, and retaining an aromatic component of hop. Produced is an alcohol-free beer-like malt beverage having reduced off-flavor and retaining an aromatic component of hop without fermentation, unlike a conventional non-alcohol beer production process, by controlling the content of a hop-derived aromatic component, myrcene, ?-humulene or ?-selinene, in the beer-like malt beverage to a specific value. In the present invention, the content of a hop-derived aromatic component in the beer-like malt beverage is controlled by controlling the addition timing or additive amount of hop and/or a hop essential-oil component during a wort-boiling step or the addition amount of a hop essential-oil component in a step after the wort-boiling step.Type: ApplicationFiled: March 15, 2010Publication date: May 17, 2012Applicant: KIRIN BEER KABUSHIKI KAISHAInventors: Atsushi Murakami, Takehito Ota, Takehito Itakura
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Patent number: 8132902Abstract: An inkjet recording apparatus includes: a recording head including an introduction section, a discharge section and nozzles; a first liquid chamber connected to the introduction section; a second liquid chamber connected to the discharge section; a first buffer tank which is connected to the first liquid chamber and an interior of which is open to air; a second buffer tank which is connected to the second liquid chamber and an interior of which is open to air; and a pressure control device which sets target pressures of the first liquid chamber and the second liquid chamber in such a manner that a prescribed back pressure is applied to the liquid inside the nozzles of the recording head while a prescribed pressure differential is provided between the first liquid chamber and the second liquid chamber, and controls driving of the first pump and the second pump in accordance with determination results of the pressure determination device in such a manner that the internal pressures of the first liquid chamber aType: GrantFiled: May 21, 2009Date of Patent: March 13, 2012Assignees: Fujifilm Corporation, Fuji Xerox Co., Ltd.Inventors: Hiroshi Shibata, Masahito Katada, Yuko Katada, legal representative, Atsushi Murakami
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Patent number: 8128212Abstract: An inkjet recording apparatus has: a pressure control device which controls a liquid movement device in accordance with determination results of a first pressure determination device and a second pressure determination device in such a manner that interiors of a first liquid chamber and a second liquid chamber respectively assume prescribed pressures, wherein the pressure control device controls the liquid movement device so as to adjust the internal pressures of the first liquid chamber and the second liquid chamber in such a manner that a prescribed pressure differential between the internal pressures of the first liquid chamber and the second liquid chamber is produced and a prescribed back pressure is applied to the liquid inside a plurality of nozzles of a recording head.Type: GrantFiled: October 16, 2008Date of Patent: March 6, 2012Assignees: Fujifilm Corporation, Fuji Xerox Co., Ltd.Inventors: Masahito Katada, Atsushi Murakami
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Patent number: 7988269Abstract: The present invention provides a liquid droplet ejecting device including a liquid droplet ejecting head; a liquid storage unit that stores a liquid; a first flow path and a second flow path that connect the liquid droplet ejecting head and the liquid storage unit, the second flow path connecting with the first flow path in the liquid droplet ejecting head; a bypass flow path connected with the first flow path and the second flow path; a liquid feed unit provided between the liquid storage unit and a connecting portion of the bypass flow path and the first flow path, and circulating the liquid in the liquid droplet ejecting head and the liquid storage unit, and a pressure control unit provided at the bypass flow path, and controlling pressure of the liquid flowing through the bypass flow path from the first flow path side to the second flow path side.Type: GrantFiled: December 8, 2009Date of Patent: August 2, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Atsushi Murakami, Masashi Hiratsuka, Kishiharu Itazu
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Publication number: 20110114045Abstract: Abrasion resistance is further enhanced in a sliding member used in an internal combustion engine. With respect to a valve lifter 6 used in an internal combustion engine 100, hard particles having higher hardness than the valve lifter 6 are dispersed onto the top face 61 of the valve lifter 6, and a nitriding treatment is conducted on the top face 61 dispersed with the hard particles.Type: ApplicationFiled: January 15, 2009Publication date: May 19, 2011Applicants: HONDA MOTOR CO., LTD., TANAKA SEIMITSU KOGYO CO., LTD.Inventors: Keiichi Maekawa, Atsushi Murakami, Takaaki Harasaki
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Publication number: 20110080456Abstract: The inkjet recording apparatus includes: a supply manifold having an inlet port to which a first main flow channel is connected, the liquid supplied from a tank through the first main flow channel being stored in the supply manifold, the supply manifold being connected to supply ports of head modules; a collection manifold having an outlet port to which a second main flow channel is connected, the liquid to be collected to the tank through the second main flow channel being stored in the collection manifold, the collection manifold being connected to discharge ports of the head modules; and a first bypass flow channel which connects the supply manifold to the collection manifold, wherein an end of the first bypass flow channel is connected to an upper side of an end of the supply manifold on a side opposite to a side where the inlet port is arranged.Type: ApplicationFiled: October 4, 2010Publication date: April 7, 2011Applicants: FUJIFILM Corporation, FUJI XEROX Co., Ltd.Inventors: Hiroshi SHIBATA, Tetsuzo Kadomatsu, Masaki Kataoka, Atsushi Murakami
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Publication number: 20110074892Abstract: A liquid droplet ejecting apparatus including: plural liquid droplet ejecting portions; supply-side individual flow paths; discharge-side individual flow paths; a supply-side common flow path; a discharge-side common flow path; first opening/closing mechanisms; second opening/closing mechanisms; a first pressure applying portion; a second pressure applying portion; a first circulating path; a third opening/closing mechanism; a second circulating path including an upstream end portion being connected to the supply-side common flow path further downstream than a connecting portion of a supply-side individual flow path connected to the supply-side common flow path at a furthest upstream side in a liquid circulating direction and a downstream end portion being connected to the discharge-side common flow path, and circulating the liquid between the supply-side common flow path and the discharge-side common flow path; and a fourth opening/closing mechanism, is provided.Type: ApplicationFiled: March 17, 2010Publication date: March 31, 2011Applicants: FUJI XEROX CO., LTD., FUJIFILM CORPORATIONInventors: Atsushi Murakami, Masaki Kataoka, Tetsuzo Kadomatsu, Hiroshi Shibata
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Publication number: 20110067093Abstract: A method of managing downloading contents in a network system including a terminal device, a management server and a downloading site includes three phases of procedures. In a first phase procedure, the management server receives a request for downloading contents from the terminal device and performs a predetermined registration operation. In a second phase procedure, the management server transmits attribution data corresponding to the contents to be downloaded by the terminal device, the attribution data including information of the downloading site. In a third phase procedure, the terminal device accessed the downloading site in accordance with the information included in the attribution data and downloads the contents.Type: ApplicationFiled: November 15, 2010Publication date: March 17, 2011Applicant: ACCESS CO., LTD.Inventors: Tomihisa KAMADA, Atsushi Murakami, Masaaki Ejima
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Publication number: 20110027695Abstract: A fuel cell separator is produced by forming a fuel cell separator resin composition including, as essential components, (A) an epoxy resin; (B) a curing agent; (C) a curing accelerator; and (D) a carbon material, in which the content of the (D) is 50 to 85% by mass based on the total amount of the composition, in which the (D) includes high crystalline artificial graphite having an average particle size of 100 ?m or more and less than 150 ?m in an amount of 5 to 100% by mass based on the total amount of the (D), and in which the content of the (C) is 0.1 to 20 parts by weight per 100 parts by weight of the (B). The resin composition is excellent in electric conductivity and fluidity and contains little impurities, and can provide a fuel cell separator which is excellent in electric conductivity and dimensional accuracy, and has no fear of causing deterioration in performance of a solid electrolyte.Type: ApplicationFiled: July 29, 2009Publication date: February 3, 2011Inventors: Takayoshi Shimizu, Atsushi Murakami
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Publication number: 20110017351Abstract: It is devised to further enhance strength and straightening ability of a nitrocarburized raw material for crankshafts. A nitrocarburized raw material for crankshafts is formed so as to have a composition composed of C, Si, Mn, Cu, Ni, Cr, V, S, s-Al, Ca and N in prescribed % by mass, with the balance being Fe and inevitable impurities and having a structure of ferrite+pearlite; after smelting a steel having the foregoing composition, hot forging is performed; thereafter, a normalizing treatment is applied to the subject hot forged material at a treatment temperature in the range of from 780° C. to 850° C.; and straightening process for correcting bending to be caused due to the nitrocarburizing treatment is later applied.Type: ApplicationFiled: February 25, 2009Publication date: January 27, 2011Applicant: HONDA MOTOR CO., LTD.Inventors: Satoru Suwa, Daiji Kawaguchi, Atsushi Murakami
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Patent number: 7853495Abstract: A method of managing downloading contents in a network system including a terminal device, a management server and a downloading site includes three phases of procedures. In a first phase procedure, the management server receives a request for downloading contents from the terminal device and performs a predetermined registration operation. In a second phase procedure, the management server transmits attribution data corresponding to the contents to be downloaded by the terminal device, the attribution data including information of the downloading site. In a third phase procedure, the terminal device accessed the downloading site in accordance with the information included in the attribution data and downloads the contents.Type: GrantFiled: December 27, 2002Date of Patent: December 14, 2010Assignee: Access Co., Ltd.Inventors: Tomihisa Kamada, Atsushi Murakami, Masaaki Ejima
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Publication number: 20100188454Abstract: A droplet ejection apparatus includes a common flow path; droplet ejection units each respectively including a first distribution port; first flow paths that respectively connect each first distribution port to the common flow path; first open/close mechanisms provided respectively at the first flow paths; a first pressurizing unit that applies a positive pressure to the common flow path; a second open/close mechanisms provided at the common flow path at the first pressurizing unit side of connection portions that connect the common flow path and the respective first flow paths; and a controller. When the second open/close mechanism is closed, the controller opens only one or more first open/close mechanisms corresponding to one or more target droplet ejection units, applies positive pressure to a section of the common flow path at the first pressurizing unit side of the second open/close mechanism, and then opens the second open/close mechanism.Type: ApplicationFiled: December 21, 2009Publication date: July 29, 2010Applicants: FUJI XEROX CO., LTD., FUJIFILM CORPORATIONInventors: Atsushi Murakami, Masaki Kataoka, Masahito Katada, Yuko Katada, Natsuki Katada, Daichi Katada, Tetsuzo Kadomatsu
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Publication number: 20100188453Abstract: A droplet ejection apparatus includes droplet ejection units each including a supply port and an ejection port, a common supply flow path, a common discharge flow path, supply flow paths that connect the supply port to the common supply flow path, openable mechanisms provided at the supply flow paths, discharge flow paths that connect the ejection port to the common discharge flow path, one-way valves provided at the discharge flow paths, a pressure applying unit, and a controller. When performing a maintenance operation of a selected droplet ejection unit, the controller applies a pressure with the pressure applying unit so that the pressure in the plural discharge flow paths at the common discharge flow path side with respect to the respective one-way valves is higher than the other side, and opens only the openable mechanism corresponding to the selected droplet ejection unit.Type: ApplicationFiled: December 21, 2009Publication date: July 29, 2010Applicants: FUJI XEROX CO., LTD., FUJIFILM CORPORATIONInventors: Atsushi Murakami, Masaki Kataoka, Masahito Katada, Yuko Katada, Natsuki Katada, Daichi Katada, Tetsuzo Kadomatsu
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Publication number: 20100079511Abstract: The present invention provides a liquid droplet ejecting device including a liquid droplet ejecting head; a liquid storage unit that stores a liquid; a first flow path and a second flow path that connect the liquid droplet ejecting head and the liquid storage unit, the second flow path connecting with the first flow path in the liquid droplet ejecting head; a bypass flow path connected with the first flow path and the second flow path; a liquid feed unit provided between the liquid storage unit and a connecting portion of the bypass flow path and the first flow path, and circulating the liquid in the liquid droplet ejecting head and the liquid storage unit, and a pressure control unit provided at the bypass flow path, and controlling pressure of the liquid flowing through the bypass flow path from the first flow path side to the second flow path side.Type: ApplicationFiled: December 8, 2009Publication date: April 1, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Atsushi Murakami, Masashi Hiratsuka, Kishiharu Itazu
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Publication number: 20100073437Abstract: An inkjet recording apparatus includes: a recording head including an introduction section, a discharge section and nozzles; a first liquid chamber connected to the introduction section; a second liquid chamber connected to the discharge section; a first buffer tank which is connected to the first liquid chamber and an interior of which is open to air; a second buffer tank which is connected to the second liquid chamber and an interior of which is open to air; and a pressure control device which sets target pressures of the first liquid chamber and the second liquid chamber in such a manner that a prescribed back pressure is applied to the liquid inside the nozzles of the recording head while a prescribed pressure differential is provided between the first liquid chamber and the second liquid chamber, and controls driving of the first pump and the second pump in accordance with determination results of the pressure determination device in such a manner that the internal pressures of the first liquid chamber aType: ApplicationFiled: May 21, 2009Publication date: March 25, 2010Applicants: FUJIFILM Corporation, FUJI XEROX CO., LTD.Inventors: Hiroshi Shibata, Masahito Katada, Atsushi Murakami, Yuko Katada