Patents by Inventor Tomoyuki Okuyama
Tomoyuki Okuyama 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: 20240105985Abstract: Provided are: a modified sulfide solid electrode containing a sulfide solid electrolyte having a BET specific surface area of 10 m2/g or more and containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom, and an epoxy compound, in which the modified sulfide solid electrolyte has a peak at 2800 to 3000 cm?1 in an infrared absorption spectrum obtained by FT-IR spectroscopy (ATR method); and a method for producing the modified sulfide solid electrolyte, which has excellent coating suitability when applied as a paste and is capable of efficiently exhibiting excellent battery performance even when a sulfide solid electrolyte having a large specific surface area is used.Type: ApplicationFiled: January 18, 2022Publication date: March 28, 2024Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Tomoyuki OKUYAMA, Nobuhito NAKAYA, Hiroto IDA, Toshifumi MIYAGAWA, Atsushi YAO
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Publication number: 20240094585Abstract: According to one embodiment, a display device including a first substrate including a first pixel and a second pixel, a second substrate, a liquid crystal layer containing polymer and liquid crystal molecules, and a light emitting element, wherein the second pixel is located between the light emitting element and the first pixel, the first substrate includes a switching element including a semiconductor layer arranged in the first pixel, a pixel electrode, and a first light shielding portion arranged in the second pixel and being adjacent to the semiconductor layer, the first light shielding portion is located between the semiconductor layer and the light emitting element in planar view and located on a side closer to the first pixel than a center of the second pixel.Type: ApplicationFiled: November 22, 2023Publication date: March 21, 2024Inventors: Kentaro OKUYAMA, Yoshihide OHUE, Hiroki SUGIYAMA, Tomoyuki TADA
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Patent number: 11934057Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer including polymers and liquid crystal molecules, and a light-emitting element. The first substrate includes a transparent substrate, a scanning line, a signal line crossing the scanning line, a switching element electrically connected to the scanning line and the signal line, an organic insulating film overlapping the switching element, and a pixel electrode electrically connected to the switching element. A thickness of the organic insulating film located between the transparent substrate and the pixel electrode is less than a thickness of the organic insulating film overlapping the switching element.Type: GrantFiled: December 12, 2022Date of Patent: March 19, 2024Assignee: Japan Display Inc.Inventors: Kentaro Okuyama, Yoshihide Ohue, Hiroki Sugiyama, Tomoyuki Tada
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Publication number: 20240079648Abstract: Provided are a method of manufacturing a modified sulfide solid electrolyte, which is excellent in coating suitability when applied as a paste even if a sulfide solid electrolyte has a large specific surface area, and can efficiently exhibit an excellent battery performance, the modified sulfide solid electrolyte obtained by the manufacturing method, and an electrode combined material and a lithium ion battery which exhibit an excellent battery performance. The method includes: mixing an organic halide and an organic solvent with a sulfide solid electrolyte having a BET specific surface area of 10 m2/g or more and containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom; and removing the organic solvent.Type: ApplicationFiled: January 25, 2022Publication date: March 7, 2024Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Nobuhito NAKAYA, Yusuke ISEKI, Tomoyuki OKUYAMA, Hiroto IDA, Toshifumi MIYAGAWA, Atsushi YAO
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Publication number: 20240063425Abstract: Provided are a method for producing a crystalline sulfide solid electrolyte, the method including mixing a raw material-containing substance that contains a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom to provide a reaction product, heating the reaction product to provide a crystalline product, and subjecting the crystalline product to a grinding treatment to amorphize at least a part of a surface of the crystalline product, the grinding treatment being performed with an integrated power of 1 (Wh/kg) or more and 500 (Wh/kg) or less; a crystalline sulfide solid electrolyte; and an electrode combined material and a lithium ion battery using it.Type: ApplicationFiled: May 10, 2023Publication date: February 22, 2024Applicant: Idemitsu Kosan Co., Ltd.Inventor: Tomoyuki OKUYAMA
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Publication number: 20230299335Abstract: Provided is a production method for a sulfide solid electrolyte capable of producing a sulfide solid electrolyte for which the production process is not complicated and which can produce a sulfide solid electrolyte having a small particle diameter (having a large specific surface) and having a small oil absorption amount, according to a production method for a sulfide solid electrolyte which includes mixing a raw material inclusion containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, and a complexing agent to obtain an electrolyte precursor, removing the complexing agent from the electrolyte precursor to obtain a complex degradate, heating the complex degradate to obtain a crystalline complex degradate, and pulverizing the crystalline complex degradate by applying thereto a mechanical treatment with an integrated energy amount of 10 Wh/kg or more and less than 500 Wh/kg to obtain a pulverized product.Type: ApplicationFiled: March 10, 2023Publication date: September 21, 2023Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yuma KITAMURA, Masayuki SHIBATA, Tomoyuki OKUYAMA
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Publication number: 20230223594Abstract: A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 ?m or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.Type: ApplicationFiled: March 16, 2023Publication date: July 13, 2023Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Masayuki SHIBATA, Hiroaki YAMADA, Nobuhito NAKAYA, Yusuke ISEKI, Minoru SENGA, Takashi HAYAKAWA, Shogo SHIMADA, Tomoyuki OKUYAMA, Koji KATO
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Patent number: 11658337Abstract: A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 ?m or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.Type: GrantFiled: November 22, 2019Date of Patent: May 23, 2023Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Masayuki Shibata, Hiroaki Yamada, Nobuhito Nakaya, Yusuke Iseki, Minoru Senga, Takashi Hayakawa, Shogo Shimada, Tomoyuki Okuyama, Koji Kato
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Publication number: 20210242496Abstract: A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 ?m or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.Type: ApplicationFiled: November 22, 2019Publication date: August 5, 2021Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Masayuki SHIBATA, Hiroaki YAMADA, Nobuhito NAKAYA, Yusuke ISEKI, Minoru SENGA, Takashi HAYAKAWA, Shogo SHIMADA, Tomoyuki OKUYAMA, Koji KATO
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Patent number: 11001058Abstract: A method for determining a recording timing includes: recording patches disposed along a second axis with a recording head; and determining a recording timing of the recording head based on a selected recorded patch; wherein the patches each include an overlap region, a first region, and a second region; A?B is satisfied, where A is a width along the second axis of the first region and the second region, and B is a width along the second axis of the overlap region; the width B is recorded decreasing towards both ends along the second axis; and the recording includes a first recording in which the recording head moves in a first direction along the second axis and the overlap region is recorded with a first nozzle group and the first region is recorded with a third nozzle group, and a second recording in which the recording head moves in a second direction and the overlap region is recorded with a second nozzle group and the second region is recorded with the third nozzle group.Type: GrantFiled: December 23, 2019Date of Patent: May 11, 2021Assignee: Seiko Epson CorporationInventor: Tomoyuki Okuyama
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Publication number: 20200358135Abstract: A manufacturing method of an electrode assembly capable of easily manufacturing a configuration in which an electrolyte and an active material are bonded to each other. A step of supplying, solidifying, and crystallizing a solid electrolyte including Li2+XC1?XBXO3 (X represents a real number equal to or greater than 0 and smaller than 1), so as to be in contact with an active material aggregate including a communication hole between active material particles, is included. In a case where the solid electrolyte is melted, the solid electrolyte is heated in a range of 650 degrees to 900 degrees.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA, Hitoshi YAMAMOTO, Tomoyuki OKUYAMA
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Patent number: 10784531Abstract: A composite body includes a positive electrode active material composed of a lithium composite metal oxide containing Li and at least one type of transition metal, and an electrolyte, wherein the positive electrode active material is present on one surface of the composite body, the one type of transition metal is Co, and the molar ratio of Co (cobalt) in the positive electrode active material (lithium cobalt oxide) present on the one surface is equal to or more than the molar ratio of O (oxygen).Type: GrantFiled: July 31, 2018Date of Patent: September 22, 2020Assignee: SEIKO EPSON CORPORATIONInventor: Tomoyuki Okuyama
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Patent number: 10770757Abstract: A manufacturing method of an electrode assembly capable of easily manufacturing a configuration in which an electrolyte and an active material are bonded to each other is provided. A step of supplying, solidifying, and crystallizing a solid electrolyte 22 including Li2+XC1?XBXO3 (X represents a real number equal to or greater than 0 and smaller than 1), so as to be in contact with an active material aggregate 12 including a communication hole 14 between active material particles 13, is included. In a case where the solid electrolyte 22 is melted, the solid electrolyte 22 is heated in a range of 650 degrees to 900 degrees.Type: GrantFiled: September 26, 2016Date of Patent: September 8, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Tsutomu Teraoka, Tomofumi Yokoyama, Hitoshi Yamamoto, Tomoyuki Okuyama
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Publication number: 20200198336Abstract: A method for determining a recording timing includes: recording patches disposed along a second axis with a recording head; and determining a recording timing of the recording head based on a selected recorded patch; wherein the patches each include an overlap region, a first region, and a second region; A?B is satisfied, where A is a width along the second axis of the first region and the second region, and B is a width along the second axis of the overlap region; the width B is recorded decreasing towards both ends along the second axis; and the recording includes a first recording in which the recording head moves in a first direction along the second axis and the overlap region is recorded with a first nozzle group and the first region is recorded with a third nozzle group, and a second recording in which the recording head moves in a second direction and the overlap region is recorded with a second nozzle group and the second region is recorded with the third nozzle group.Type: ApplicationFiled: December 23, 2019Publication date: June 25, 2020Inventor: Tomoyuki OKUYAMA
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Publication number: 20190058212Abstract: A composite body includes a positive electrode active material composed of a lithium composite metal oxide containing Li and at least one type of transition metal, and an electrolyte, wherein the positive electrode active material is present on one surface of the composite body, the one type of transition metal is Co, and the molar ratio of Co (cobalt) in the positive electrode active material (lithium cobalt oxide) present on the one surface is equal to or more than the molar ratio of O (oxygen).Type: ApplicationFiled: July 31, 2018Publication date: February 21, 2019Applicant: SEIKO EPSON CORPORATIONInventor: Tomoyuki OKUYAMA
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Publication number: 20180269532Abstract: A manufacturing method of an electrode assembly capable of easily manufacturing a configuration in which an electrolyte and an active material are bonded to each other. A step of supplying, solidifying, and crystallizing a solid electrolyte including Li2+XC1?XBXO3 (X represents a real number equal to or greater than 0 and smaller than 1), so as to be in contact with an active material aggregate including a communication hole between active material particles, is included. In a case where the solid electrolyte is melted, the solid electrolyte is heated in a range of 650 degrees to 900 degrees.Type: ApplicationFiled: September 26, 2016Publication date: September 20, 2018Applicant: SEIKO EPSON CORPORATIONInventors: Tsutomu TERAOKA, Tomofumi YOKOYAMA, Hitoshi YAMAMOTO, Tomoyuki OKUYAMA
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Publication number: 20170066939Abstract: Disclosed herein is an ink composition, including: a pigment; acetylenediol having an HLB of less than 4; and an anionic surfactant, in which the mass ratio of the acetylene diol to the anionic surfactant is 0.30 to 4.0.Type: ApplicationFiled: November 16, 2016Publication date: March 9, 2017Inventor: Tomoyuki OKUYAMA
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Patent number: 9556357Abstract: Disclosed herein is an ink composition, including: a pigment; acetylenediol having an HLB of less than 4; and an anionic surfactant, in which the mass ratio of the acetylene diol to the anionic surfactant is 0.30 to 4.0.Type: GrantFiled: February 18, 2015Date of Patent: January 31, 2017Assignee: Seiko Epson CorporationInventor: Tomoyuki Okuyama
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Publication number: 20160275666Abstract: A semiconductor device in the present embodiment includes an image processing unit and an authenticating unit. The image processing unit acquires a captured image and can change a pixel value in the captured image. The authenticating unit authenticates the similarity between an object image included in the captured image and a reference image. The authenticating unit outputs coordinate information on the object image to an image processing unit, and authenticates the similarity between the object image, pixel values corresponding to the coordinate information on which are changed by the image processing unit, and the reference image.Type: ApplicationFiled: September 8, 2015Publication date: September 22, 2016Inventor: Tomoyuki Okuyama
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Patent number: 9434164Abstract: An ink jet recording apparatus according to the invention includes an ink, and a discharge head that discharges the ink, in which the discharge head includes a plurality of pressure chambers respectively communicating with a plurality of nozzle holes formed in a nozzle plate, a vibration plate changing the capacity of each of the plurality of pressure chambers, and an ink supply chamber for supplying the ink to the plurality of pressure chambers, the capacity of the pressure chamber is 10.0×106 ?m3 or less, the density in which the plurality of nozzle holes are arranged in the nozzle plate is 200 dpi or more, the ink includes a pigment, water, an organic solvent, and a resin component, a ratio (organic solvent/water) of a mass of the organic solvent to a mass of the water in the ink is 0.2 to 0.5, and a solid content of the resin component in the ink is 1.5 mass % or more.Type: GrantFiled: August 11, 2015Date of Patent: September 6, 2016Assignee: Seiko Epson CorporationInventor: Tomoyuki Okuyama