Patents by Inventor Naoyuki Matsumoto
Naoyuki Matsumoto 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: 11958138Abstract: A joint method includes a groove formation step of removing part of a first projection and part of the second projection to form a groove region between the first projection and the second projection, a first welding step of joining a first member and a second member to each other by butt welding, and a second welding step of filling the groove region by buildup welding. The groove formation step forms a first inclined surface in the first projection facing the groove region to be gradually distant from a joint position joined with the second projection so as to be closer to an outer surface of the first projection, and forms a second inclined surface in the second projection facing the groove region to be gradually distant from the joint position joined with the first projection so as to be closer to an outer surface of the second projection.Type: GrantFiled: October 25, 2019Date of Patent: April 16, 2024Assignee: IHI CorporationInventors: Eriko Hato, Shoichi Nonomura, Naoyuki Matsumoto, Tetsurou Yamazaki, Tomohiro Sugino, Koutarou Inose
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Publication number: 20240118655Abstract: An object of the present disclosure is to provide an electrophotographic photosensitive member with suppressed positive ghosts, and a process cartridge and an electrophotographic apparatus each including the electrophotographic photosensitive member. The present disclosure provides an electrophotographic photosensitive member having a support and a photosensitive layer on the support; the photosensitive layer comprises (?) a compound represented by the formula (1), and (?) at least one selected from the group consisting of a compound represented by the formula (2) and a compound represented by the formula (3), wherein a content of the (?) with respect to a content of the (?) is 50 to 850 mass ppm in the photosensitive layer.Type: ApplicationFiled: September 8, 2023Publication date: April 11, 2024Inventors: KUNIHIKO SEKIDO, SHUHEI IWASAKI, TATSUYA OHSAWA, NAOYUKI MATSUMOTO, ATSUSHI OKUDA, TSUTOMU NISHIDA
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Publication number: 20240118633Abstract: An electrophotographic photosensitive member including: a support, a charge generating layer, and a charge transporting layer in this order, wherein the charge transporting layer contains: a compound represented by the formula (A-1), and at least one selected from the group consisting of a compound represented by the formula (A-2) and a compound represented by the formula (A-3).Type: ApplicationFiled: September 8, 2023Publication date: April 11, 2024Inventors: TATSUYA OHSAWA, KUNIHIKO SEKIDO, SHUHEI IWASAKI, NAOYUKI MATSUMOTO
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Patent number: 11952447Abstract: Provided are a polymerizable composition for a dental material that can yield cured molded bodies having superior mechanical strength, a molded body obtained by curing the composition, and a dental material including the molded body. A polymerizable composition for a dental material, the polymerizable composition containing: one selected from the group consisting of allyl compound (A) and an oligomer of allyl compound (A); and (meth)acrylate compound (B).Type: GrantFiled: March 28, 2019Date of Patent: April 9, 2024Assignee: MITSUI CHEMICALS, INC.Inventors: Takuya Matsumoto, Naoyuki Kakinuma
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Publication number: 20240111224Abstract: An object of the present disclosure is to provide an electrophotographic photosensitive member which can suppress the potential fluctuation due to repeated use even with the electrophotographic apparatus of high printing process speed. The present disclosure provides an electrophotographic photosensitive member comprising: a support, a charge generating layer, and a charge transporting layer in this order, wherein the charge transporting layer comprises: (?) a compound represented by the formula (C-1), and (?) at least one selected from the group consisting of a compound represented by the following formula (C-2) and a compound represented by the formula (C-3), wherein a content of the (?) in the charge transporting layer with respect to a total mass of the charge transporting layer is 250 to 610 mass ppm.Type: ApplicationFiled: September 8, 2023Publication date: April 4, 2024Inventors: SHUHEI IWASAKI, KUNIHIKO SEKIDO, TATSUYA OHSAWA, NAOYUKI MATSUMOTO
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Publication number: 20220364930Abstract: A radiation thermometer 100 includes two infrared detectors 1 and 1? and a temperature calculator 2. The infrared detectors 1 and 1? each have a predetermined measurement visual field and detect the amount of infrared rays incident from the measurement visual field. The temperature calculator 2 calculates the temperature of a measurement target region Xa based on the amounts of infrared rays detected by the respective infrared detectors 1 and 1?. The measurement target region Xa is included in the measurement visual fields of the respective infrared detectors 1 and 1?, and the sizes of the respective measurement visual fields are set to be different frm each other with respect to the measurement target region Xa.Type: ApplicationFiled: October 23, 2020Publication date: November 17, 2022Inventors: Sho FUJINO, Naoyuki MATSUMOTO, Yasuo FURUKAWA
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Patent number: 11459264Abstract: Provided is a method of manufacturing a glass film, including: a conveying step of conveying an elongated glass film (G) along a longitudinal direction thereof; and a cutting step of irradiating the glass film (G) with a laser beam (L) from a laser irradiation apparatus (19) while conveying the glass film (G) through the conveying step, to thereby separate the glass film (G). The cutting step includes generating a thread-like peeled material (Ge) in a helical shape from an end portion of the separated glass film (G) in a width direction. The thread-like peeled material (Ge) has a width (W) of 180 ?m or more and 300 ?m or less. In addition, the thread-like peeled material (Ge) has a helical diameter (D) of 80 mm or more and 200 mm or less.Type: GrantFiled: January 29, 2018Date of Patent: October 4, 2022Assignee: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Hiroki Mori, Koichi Mori, Shuji Akiyama, Yasuhiro Uemura, Naoyuki Matsumoto
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Publication number: 20220118552Abstract: Irradiation with a laser beam is performed along a welding bead, while the laser beam is aimed, as an irradiation point of the laser beam, at a contact point between a deck plate and a U-rib that is contained in a non-welded portion of a root part, from a side of the welding bead of the root part. Thereby, it is possible to remove a crack beginning at the non-welded portion of the root part generated at a joining portion between the deck plate and the U-rib of a steel floor slab, by the irradiation with the laser beam.Type: ApplicationFiled: December 28, 2021Publication date: April 21, 2022Applicants: IHI INFRASTRUCTURE SYSTEMS CO., LTD., IHI CORPORATIONInventors: Naoyuki MATSUMOTO, Yoshihiko NAKAMURA, Shinya OSAWA, Koutarou INOSE, Junko YAMADA, Daiki OKITA, Akira KATOU
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Publication number: 20220080532Abstract: A joint method includes a groove formation step of removing part of a first projection and part of the second projection to form a groove region between the first projection and the second projection, a first welding step of joining a first member and a second member to each other by butt welding, and a second welding step of filling the groove region by buildup welding. The groove formation step forms a first inclined surface in the first projection facing the groove region to be gradually distant from a joint position joined with the second projection so as to be closer to an outer surface of the first projection, and forms a second inclined surface in the second projection facing the groove region to be gradually distant from the joint position joined with the first projection so as to be closer to an outer surface of the second projection.Type: ApplicationFiled: October 25, 2019Publication date: March 17, 2022Applicant: IHI CorporationInventors: Eriko HATO, Shoichi NONOMURA, Naoyuki MATSUMOTO, Tetsurou YAMAZAKI, Tomohiro SUGINO, Koutarou INOSE
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Publication number: 20220009216Abstract: A metal-resin joining method of joining a metal member to a composite material member including a fiber reinforced plastic composite material includes an applying step of applying a first adhesive that is a thermosetting adhesive to a first region between the metal member and the composite material member, and applying a second adhesive that is a thermosetting adhesive to a second region between the metal member and the composite material member, a provisional bonding step of irradiating a first irradiation region of the metal member opposed to the first region with a laser light, and heating and curing the first adhesive to provisionally bond the metal member and the composite material member together, and a main bonding step of curing the second adhesive after the provisional bonding step to bond the metal member and the composite material member together.Type: ApplicationFiled: September 23, 2021Publication date: January 13, 2022Applicant: IHI CorporationInventors: Koutarou INOSE, Naoyuki MATSUMOTO, Daiki OKITA, Kenshiro KIMURA, Hiroto YAMAOKA
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Publication number: 20210402519Abstract: A crack repair method includes a build-up welding step of performing build-up welding on a portion of an existing steel structure where a crack is generated while feeding a filler wire, and a laser beam piercing welding step of performing piercing welding using a laser beam on a filler material build-up portion caused by the build-up welding in the build-up welding step and the crack. The crack can be melted and repaired without lowering a toughness value regardless of an operation condition.Type: ApplicationFiled: September 1, 2021Publication date: December 30, 2021Applicant: IHI CORPORATIONInventors: Daiki OKITA, Naoyuki MATSUMOTO, Koutarou INOSE
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Publication number: 20210346987Abstract: Provided is a crack repair method of melting and eliminating a crack generated in a steel material, the method including holding a tab plate in surface contact with the steel material in which the crack is generated, thereafter continuously irradiating the tab plate to a first end portion of the crack in the steel material with a laser beam, and subsequently continuously irradiating the crack with the laser beam along the crack to a second end portion of the crack to melt and eliminate the crack. Consequently, when eliminating the crack generated in a constituent member of an existing structure or a constituent member such as a machine component, the crack can be eliminated without forming a through hole in the constituent member.Type: ApplicationFiled: July 22, 2021Publication date: November 11, 2021Applicant: IHI CORPORATIONInventors: Koutarou INOSE, Naoyuki MATSUMOTO, Shota NAKANISHI, Daiki OKITA, Junko YAMADA
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Publication number: 20210039201Abstract: A laser welding repair device includes a laser oscillator, a laser head that condenses laser light from the laser oscillator to irradiate a repair portion, a temperature sensor that detects a temperature distribution of a steel material irradiated with the laser light, and a control unit. The control unit sets a spot diameter of the laser light to be less than 3 mm, moves the laser head and enlarges a heat input area to check for a crack in the heat input area, the heat input area being formed by irradiating the steel material with the laser light, and controls the laser head to irradiate a region where a temperature detected by the temperature sensor is equal to or less than a mechanical melting temperature of the steel material. Where a welding is performed in a flat position, the crack can be easily and reliably erased without causing burn through.Type: ApplicationFiled: October 27, 2020Publication date: February 11, 2021Applicant: IHI CorporationInventors: Koutarou INOSE, Naoyuki MATSUMOTO, Daiki OKITA
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Publication number: 20190375666Abstract: Provided is a method of manufacturing a glass film, including: a conveying step of conveying an elongated glass film (G) along a longitudinal direction thereof; and a cutting step of irradiating the glass film (G) with a laser beam (L) from a laser irradiation apparatus (19) while conveying the glass film (G) through the conveying step, to thereby separate the glass film (G). The cutting step includes generating a thread-like peeled material (Ge) in a helical shape from an end portion of the separated glass film (G) in a width direction. The thread-like peeled material (Ge) has a width (W) of 180 ?m or more and 300 ?m or less. In addition, the thread-like peeled material (Ge) has a helical diameter (D) of 80 mm or more and 200 mm or less.Type: ApplicationFiled: January 29, 2018Publication date: December 12, 2019Inventors: Hiroki MORI, Koichi MORI, Shuji AKIYAMA, Yasuhiro UEMURA, Naoyuki MATSUMOTO
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Patent number: 9783396Abstract: There is provided a boom extending and retracting apparatus that can improve the convenience of the telescopic boom while reducing the burden on the operator. The boom extending and retracting apparatus of the crane chooses the mode of the fluid circuit between the normal fluid circuit and the differential fluid circuit to slide a plurality of boom members by one telescopic cylinder. After the operating lever is turned to an extension side and the controller starts extending the telescopic boom using the differential fluid circuit, when the operating lever is turned to the extension side again via the neutral position, the controller chooses the normal fluid circuit to extend the telescopic boom using the normal fluid circuit.Type: GrantFiled: November 20, 2014Date of Patent: October 10, 2017Assignee: TADANO LTD.Inventor: Naoyuki Matsumoto
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Patent number: 9373735Abstract: A polyimide-metal laminate comprising a polyimide film and a metal layer for use as an electrode, which is formed on the side (Side B) of the polyimide film which was in contact with a support when producing a self-supporting film in the production of the polyimide film, is used to produce a CIS solar cell.Type: GrantFiled: May 20, 2009Date of Patent: June 21, 2016Assignee: UBE INDUSTRIES, LTD.Inventors: Hiroto Shimokawa, Takeshi Uekido, Naoyuki Matsumoto, Ken Kawagishi, Hiroaki Yamaguchi
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Publication number: 20150144583Abstract: There is provided a boom extending and retracting apparatus that can improve the convenience of the telescopic boom while reducing the burden on the operator. The boom extending and retracting apparatus of the crane chooses the mode of the fluid circuit between the normal fluid circuit and the differential fluid circuit to slide a plurality of boom members by one telescopic cylinder. After the operating lever is turned to an extension side and the controller starts extending the telescopic boom using the differential fluid circuit, when the operating lever is turned to the extension side again via the neutral position, the controller chooses the normal fluid circuit to extend the telescopic boom using the normal fluid circuit.Type: ApplicationFiled: November 20, 2014Publication date: May 28, 2015Inventor: Naoyuki MATSUMOTO
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Patent number: 8768562Abstract: A work machine with a boom that can be derricked, includes: a first derricking angle detector that detects a derricking angle of the boom at a base end of the boom; a second derricking angle detector that detects a derricking angle of the boom at a front end of the boom; a first flexible volume acquisition part that acquires a flexible volume of the boom based on a detected angle by the first derricking angle detector and a detected angle by the second derricking angle detector; a second flexible volume acquisition part that acquires a flexible volume of the boom based on the detected angle by the first derricking angle detector; and a switching part that switches between acquisition of the flexible volume of the boom by the first flexible volume acquisition part and acquisition of the flexible volume of the boom by the second flexible volume acquisition part.Type: GrantFiled: March 14, 2013Date of Patent: July 1, 2014Assignee: Tadano Ltd.Inventor: Naoyuki Matsumoto
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Publication number: 20130253759Abstract: a work machine with a boom that can be derricked, includes: a first derricking angle detector that detects a derricking angle of the boom at a base end of the boom; a second derricking angle detector that detects a derricking angle of the boom at a front end of the boom; a first flexible volume acquisition part that acquires a flexible volume of the boom based on a detected angle by the first derricking angle detector and a detected angle by the second derricking angle detector; a second flexible volume acquisition part that acquires a flexible volume of the boom based on the detected angle by the first derricking angle detector; and a switching part that switches between acquisition of the flexible volume of the boom by the first flexible volume acquisition part and acquisition of the flexible volume of the boom by the second flexible volume acquisition part.Type: ApplicationFiled: March 14, 2013Publication date: September 26, 2013Applicant: TADANO LTD.Inventor: Naoyuki MATSUMOTO
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Publication number: 20120034455Abstract: The present invention provides a polyimide film having an anisotropic thermal expansion coefficient, and comprising a polyimide layer (b) and a polyimide layer (a) on one side or both sides of the polyimide layer (b), wherein the polyimide layer (a) is a layer of a polyimide prepared from a monomer component comprising a diamine having the structure of the following formula (1): wherein R represents a monovalent group selected from the groups listed as the following formula (2): wherein R1 represents a hydrogen atom or a methyl group, and two R1 groups may be the same as, or different from each other.Type: ApplicationFiled: April 14, 2010Publication date: February 9, 2012Inventors: Naoyuki Matsumoto, Hidenori Mii, Takeshi Uekido, Nobu Iizumi, Keiichi Yanagida, Eiji Masui, Toshiyuki Nishino, Takao Miyamoto