Patents by Inventor Kenji Yamanaka
Kenji Yamanaka 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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Publication number: 20240117087Abstract: A method for producing a fluoropolymer which method includes polymerizing a perfluoromonomer in an aqueous medium in the presence of a polymer (1) to obtain a fluoropolymer, wherein the content of a polymerized unit derived from the perfluoromonomer in the fluoropolymer is 90 mol % or more based on all polymerized units of the fluoropolymer, the polymer (1) is a polymer of a monomer (1) represented by the general formula (1): CF2?CF—O—R-(Rf-SO3M)m, a polymerized unit (1) derived from the monomer (1) in the polymer (1) is 50% by mass or more based on all polymerized units of the polymer (1), and the content of a dimer and a trimer of the monomer (1) in the polymer (1) is 1.0% by mass or less based on the polymer (1).Type: ApplicationFiled: November 17, 2023Publication date: April 11, 2024Applicant: DAIKIN INDUSTRIES, LTDInventors: Yoshinori NANBA, Rina TAMAI, Takuma IWASAKA, Soushi TSUCHIYA, Kenji ICHIKAWA, Taketo KATO, Masaki IRIE, Taku YAMANAKA
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Patent number: 11952441Abstract: A method for producing polytetrafluoroethylene, which includes polymerizing tetrafluoroethylene in an aqueous medium in the presence of a nucleating agent and a hydrocarbon anionic surfactant to obtain polytetrafluoroethylene. A total amount of the nucleating agent and the hydrocarbon anionic surfactant at the initiation of polymerization is more than 50 ppm based on the aqueous medium.Type: GrantFiled: October 3, 2019Date of Patent: April 9, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Taketo Kato, Yohei Fujimoto, Kenji Ichikawa, Hiroyuki Sato, Yoshinori Nanba, Hirotoshi Yoshida, Kengo Ito, Chiaki Okui, Masamichi Sukegawa, Taku Yamanaka
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Patent number: 11945673Abstract: A document feeder includes a document placing tray on which a document is placed; a document discharging tray on which a document discharged from a document discharging port in a discharging direction is stacked; and a light source that radiates light to the document discharging tray. The document discharging tray is disposed below the document placing tray. The document discharging tray has a protruding portion protruding upward from the surrounding area. The light source is disposed within a region having a width that is the same as a document having a maximum size in the width direction.Type: GrantFiled: February 15, 2023Date of Patent: April 2, 2024Assignee: SHARP KABUSHIKI KAISHAInventors: Shohichi Fukutome, Kenji Kuroda, Hironori Ogasawara, Hisashi Yamanaka, Toshiki Fukunishi
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Publication number: 20240069301Abstract: A lens includes: an optical-functioning portion that is a glass press-molded product and has both lens surfaces in an optical axis direction and a volume absorption portion allowing a shape error due to press-molding around the lens surfaces; and a flange portion made of a material different from the glass of the optical-functioning portion, fixed to the optical-functioning portion to surround the volume absorption portion, and having a position reference surface serving as a reference of a lens position. An outer diameter D in an orthogonal direction to the optical axis defined by the flange portion and a thickness t of the flange portion satisfy the following condition (1) or (2). when 2 mm?D?5 mm, 0.15?t?0.35??(1) when D>5 mm, 0.15+(D?5)×0.03?t?0.15+(D?5)×0.Type: ApplicationFiled: August 17, 2023Publication date: February 29, 2024Applicant: HOYA CORPORATIONInventor: Kenji YAMANAKA
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Patent number: 10516790Abstract: There is provided an inspection apparatus that inspects a printed material for a smudge, in accordance with an inspection image formed by reading a printed material, a print image being formed on the printed material, the inspection apparatus including: a hardware processor that: performs position adjustment between a reference image serving as an inspection standard for the print image, and the inspection image; detects a region presumed to be a smudge on the printed material as a smudge candidate region, in accordance with a difference image generated from the reference image and the inspection image after the position adjustment; and determines whether the smudge candidate region is a false smudge candidate region resulting from a positional shift of an object in the print image, in accordance with the smudge candidate region detected by the hardware processor and difference data characteristics of the difference image.Type: GrantFiled: November 27, 2018Date of Patent: December 24, 2019Assignee: KONICA MINOLTA, INC.Inventors: Kenji Yamanaka, Makoto Oki
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Publication number: 20190174013Abstract: There is provided an inspection apparatus that inspects a printed material for a smudge, in accordance with an inspection image formed by reading a printed material, a print image being formed on the printed material, the inspection apparatus including: a hardware processor that: performs position adjustment between a reference image serving as an inspection standard for the print image, and the inspection image; detects a region presumed to be a smudge on the printed material as a smudge candidate region, in accordance with a difference image generated from the reference image and the inspection image after the position adjustment; and determines whether the smudge candidate region is a false smudge candidate region resulting from a positional shift of an object in the print image, in accordance with the smudge candidate region detected by the hardware processor and difference data characteristics of the difference image.Type: ApplicationFiled: November 27, 2018Publication date: June 6, 2019Applicant: KONICA MINOLTA, INC.Inventors: Kenji YAMANAKA, Makoto OKI
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Patent number: 10135048Abstract: Provided is a lead-acid battery which includes: a power generating element; an electrolyte solution; a container which houses the power generating element and the electrolyte solution; and a lid member which is configured to seal the container and in which an exhaust space and a sleeve member are formed, the exhaust space communicating with an outside, an inside of the container being communicated with the exhaust space through the sleeve member. A bottom surface of the exhaust space is inclined such that a solution in the space returns to the inside of the container. The sleeve member has blocking elements arranged in a spaced-apart manner in an extending direction of the sleeve member. The inside of the container is communicated with the exhaust space through a space formed between the blocking elements.Type: GrantFiled: February 24, 2016Date of Patent: November 20, 2018Assignee: GS Yuasa Internationl Ltd.Inventors: Naoki Fujimoto, Kenji Yamanaka
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Publication number: 20170116730Abstract: A medical image processing device includes: a difference image generation unit configured to multiply signal values of corresponding pixels of a plurality of radiation images by a predetermined weight coefficient and perform a difference process to generate a difference image, the plurality of radiation images being obtained in such a manner that the same object is irradiated with beams of radiation having different energy distributions at different timings; and a setting unit configured to set different weight coefficients for a specific region of the radiation image and a region other than the specific region, wherein the difference image generation unit generates the difference image using the weight coefficients set by the setting unit.Type: ApplicationFiled: September 20, 2016Publication date: April 27, 2017Applicant: KONICA MINOLTA, INC.Inventor: Kenji YAMANAKA
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Publication number: 20160254510Abstract: Provided is a lead-acid battery which includes: a power generating element; an electrolyte solution; a container which houses the power generating element and the electrolyte solution; and a lid member which is configured to seal the container and in which an exhaust space and a sleeve member are formed, the exhaust space communicating with an outside, an inside of the container being communicated with the exhaust space through the sleeve member. A bottom surface of the exhaust space is inclined such that a solution in the space returns to the inside of the container. The sleeve member has blocking elements arranged in a spaced-apart manner in an extending direction of the sleeve member. The inside of the container is communicated with the exhaust space through a space formed between the blocking elements.Type: ApplicationFiled: February 24, 2016Publication date: September 1, 2016Inventors: Naoki FUJIMOTO, Kenji YAMANAKA
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Publication number: 20150203997Abstract: A fabric is subjected to calender processing on one or both surfaces and includes a polyamide fiber as warp or/and woof having, after calender processing, a single filament fineness of 0.5 to 2.5 dtex and a total fiber fineness of 5 to 50 dtex, the single filament having a cross-sectional shape that is flat multifoliar with 6 to 10 lobe parts and has a flat ratio (W) (?/?) of 1.5 to 3.0, the fabric having a cover factor of 1200 to 2500.Type: ApplicationFiled: June 19, 2013Publication date: July 23, 2015Inventors: Kenji Yamanaka, Hidetoshi Takanaga, Takashi Ida
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Patent number: 8188156Abstract: Disclosed is a polyol composition containing an aromatic polyester polyol having a hydroxyl number of 300-500 mgKOH/g and an average number of functional groups of 2.0-2.5, a medium-chain polyether polyol having a hydroxyl number of 100-250 mgKOH/g and an average number of functional groups of 2.0-4.0 and composed of a polyoxypropylene unit, and a long-chain polyether polyol having a hydroxyl number of 15-40 mgKOH/g, an average number of functional groups of 2.0-4.0 and an oxyethylene content of not more than 14% by weight and mainly composed of a polyoxypropylene unit.Type: GrantFiled: November 6, 2008Date of Patent: May 29, 2012Assignee: Mitsui Chemicals, Inc.Inventors: Kenji Yamanaka, Masayoshi Idomoto, Kouji Fukui, Masashi Obata, Katsumi Inaoka, Masaaki Shibata
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Patent number: 7972662Abstract: An information recording medium is prepared by forming a multi-layered film, including an information recording layer, on a substrate by transferring the substrate heated at an average heating rate of at least 10° C./second in a heating zone, along consecutive film-forming zones, and consecutively forming layers forming the multi-layered film in the film-forming zones.Type: GrantFiled: February 28, 2007Date of Patent: July 5, 2011Assignee: Hoya CorporationInventors: Mikio Ikenishi, Xuelu Zou, Kenji Yamanaka, Junichi Horikawa
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Patent number: 7966844Abstract: A first sleeve 30 regulates the horizontal relative position between an upper mold 10 and a lower mold 20 that are insertable into the first sleeve 30 from its both end sides. A second sleeve 40 provided inside the first sleeve 30 and surrounding the outer periphery of a molding surface 21 of the lower mold 20 supports at least part of an outer peripheral portion of a molding material 50 placed on the molding surface 21 of the lower mold 20, thereby preventing position offset and slip-off of the molding material 50. In this state, the molding material 50 is press-molded between the upper mold 10 and the lower mold 20.Type: GrantFiled: January 19, 2006Date of Patent: June 28, 2011Assignee: Hoya CorporationInventor: Kenji Yamanaka
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Patent number: 7855526Abstract: In the present invention, when configuring a control system of an inverter performing power conversion between AC and DC, a frequency computation is performed based on biaxial voltage amounts obtained through two current regulators in such a way that each of biaxial component currents obtained by detecting an AC circuit current and performing a rotational coordinate transformation matches each respective command value and phase information in synchronization with an electromotive force power supply of the AC circuit is obtained by integrating the frequency to perform the rotational coordinate transformation of the AC current and also the inverter is caused to operate by generating a PWM switching signal from the biaxial voltage amounts to perform necessary power conversion control.Type: GrantFiled: June 27, 2006Date of Patent: December 21, 2010Assignee: The University of TokushimaInventors: Tokuo Ohnishi, Kenji Yamanaka, Eiji Gohda
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Publication number: 20100261804Abstract: Disclosed is a polyol composition containing an aromatic polyester polyol having a hydroxyl number of 300-500 mgKOH/g and an average number of functional groups of 2.0-2.5, a medium-chain polyether polyol having a hydroxyl number of 100-250 mgKOH/g and an average number of functional groups of 2.0-4.0 and composed of a polyoxypropylene unit, and a long-chain polyether polyol having a hydroxyl number of 15-40 mgKOH/g, an average number of functional groups of 2.0-4.0 and an oxyethylene content of not more than 14% by weight and mainly composed of a polyoxypropylene unit.Type: ApplicationFiled: November 6, 2008Publication date: October 14, 2010Inventors: Kenji Yamanaka, Masayoshi Idomoto, Kouji Fukui, Masashi Obata, Katsumi Inaoka, Masaaki Shibata
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Publication number: 20100226157Abstract: In the present invention, when configuring a control system of an inverter performing power conversion between AC and DC, a frequency computation is performed based on biaxial voltage amounts obtained through two current regulators in such a way that each of biaxial component currents obtained by detecting an AC circuit current and performing a rotational coordinate transformation matches each respective command value and phase information in synchronization with an electromotive force power supply of the AC circuit is obtained by integrating the frequency to perform the rotational coordinate transformation of the AC current and also the inverter is caused to operate by generating a PWM switching signal from the biaxial voltage amounts to perform necessary power conversion control.Type: ApplicationFiled: June 27, 2006Publication date: September 9, 2010Applicant: The University of TokushimaInventors: Tokuo Ohnishi, Kenji Yamanaka, Eiji Gohda
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Patent number: 7671724Abstract: A vehicle anti-theft apparatus and method can prevent the theft of a vehicle and the illegal use thereof without increased costs. The apparatus includes an IC card carried by a user of a vehicle, an IC card reader in the vehicle for reading information contained in the IC card, and an authentication processing section in the vehicle for authenticating the user when the vehicle is used. The IC card includes a memory for storing identification information and use time limit information of the vehicle. The IC card reader reads the identification information and the use time limit information stored in the memory. When the identification information of the IC card and authentication identification information stored beforehand in the vehicle coincide with each other, and when a current time is within a use time limit of the use time limit information, the authentication processing section permits the use of the vehicle.Type: GrantFiled: August 8, 2006Date of Patent: March 2, 2010Assignee: Mitsubishi Electric CorporationInventors: Kazunori Mori, Ryousaku Obo, Kenji Yamanaka, Hiroshi Sakaguchi
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Publication number: 20090175416Abstract: It is intended to provide an X-ray photography apparatus whereby lungs can be photographed in the desirable inherent size thereof. An X-ray photography apparatus, having: an X-ray radiation section for radiating an X-ray; an imaging section for detecting the X-ray having passed through an examinee; a memory section for storing maximum inspiration amount data of the examinee; an aspiration flow amount measuring section for measuring an aspiration flow amount of the examinee; and a control section for conducting data processing based on the maximum inspiration amount data of the examinee stored in the memory section and the aspiration flow amount of the examinee measured by the aspiration flow amount measuring section.Type: ApplicationFiled: September 28, 2006Publication date: July 9, 2009Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.Inventor: Kenji Yamanaka
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Publication number: 20070236329Abstract: A vehicle anti-theft apparatus and method can prevent the theft of a vehicle and the illegal use thereof without increased costs. The apparatus includes an IC card carried by a user of a vehicle, an IC card reader in the vehicle for reading information contained in the IC card, and an authentication processing section in the vehicle for authenticating the user when the vehicle is used. The IC card includes a memory for storing identification information and use time limit information of the vehicle. The IC card reader reads the identification information and the use time limit information stored in the memory. When the identification information of the IC card and authentication identification information stored beforehand in the vehicle coincide with each other, and when a current time is within a use time limit of the use time limit information, the authentication processing section permits the use of the vehicle.Type: ApplicationFiled: August 8, 2006Publication date: October 11, 2007Inventors: Kazunori Mori, Ryousaku Obo, Kenji Yamanaka, Hiroshi Sakaguchi
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Publication number: 20070160877Abstract: A substrate for an information recording medium, which is made of a glass or crystallized glass, (1) which has a region that has a spectral light transmittance of 50% or less converted in terms of a thickness of 2 mm in a wavelength range of 2,750 nm to 3,700 nm, (2) which shows a spectral light transmittance of 70% or less converted in terms of a thickness of 2 mm over whole wavelength range of 2,750 nm to 3,700 nm, (3) which contains an infrared absorbent that is a specific metal oxide and is for use in a perpendicular magnetic recording medium, (4) which is to be heated by irradiation with infrared ray and contains more than 200 ppm of water, or (5) which contains an infrared absorbent that is a specific metal oxide and is used as a substrate to support a multi-layered film including an information recording layer to be formed by sputtering after heating by irradiation with infrared ray, an information recording medium comprising a multi-layered film including an information recording layer formed on any oType: ApplicationFiled: February 28, 2007Publication date: July 12, 2007Applicant: HOYA CORPORATIONInventors: Mikio Ikenishi, Xuelu Zou, Kenji Yamanaka, Junichi Horikawa