Patents by Inventor Kinji Onoda
Kinji Onoda 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: 20190066932Abstract: Provided is a dye-sensitized solar cell having high conversion efficiency. The dye-sensitized solar cell is a dye-sensitized solar cell in which a photoelectrode and a counter electrode are disposed opposite to each other via an electrolyte layer; (1) the photoelectrode comprising a titanium material, a blocking layer formed on the titanium material, and a porous titanium oxide layer containing a dye sensitizing agent formed on the blocking layer; and (2) the counter electrode comprising a transparent conductive glass or transparent conductive film coated with an electrochemical-reduction catalyst layer.Type: ApplicationFiled: April 28, 2017Publication date: February 28, 2019Applicant: SHOWA CO., LTD.Inventors: Teruki TAKAYASU, Kinji ONODA
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Patent number: 10053762Abstract: A material that is useful as a wear-resistant member, a highly functional photocatalytic material, a photoelectric conversion element material, etc., is produced without the need for complicated processes or complicated handling, which are problems of the prior art. Provided is a method for producing a surface-treated metallic titanium material or titanium alloy material, the method comprising the steps of (1) forming titanium nitride on the surface of a metallic titanium material, and (2) heating the metallic titanium material with titanium nitride formed on the surface thereof obtained in step (1) in an oxidizing atmosphere.Type: GrantFiled: February 20, 2014Date of Patent: August 21, 2018Assignees: SHOWA CO., LTD., MORI KOSAN CO., LTD.Inventors: Teruki Takayasu, Shingo Mori, Kinji Onoda
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Patent number: 9822025Abstract: The present invention provides a novel method for treating soil-contaminated water, the method using a photocatalytic material capable of efficiently removing, by light irradiation alone, volatile organic compounds and heavy metals that give rise to soil contamination. The present invention provides a method for treating soil-contaminated water that detoxifies volatile organic compounds contained in soil-contaminated water using a photocatalytic material, the method being characterized by including the steps of (1) subjecting the soil-contaminated water to a gas-liquid separation to obtain a gas phase, and (2) decomposing the volatile organic compounds contained in the gas phase obtained in step (1) using the photocatalytic material.Type: GrantFiled: June 28, 2013Date of Patent: November 21, 2017Assignee: SHOWA CO., LTD.Inventors: Teruki Takayasu, Teruo Arai, Kinji Onoda
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Publication number: 20160257585Abstract: The present invention provides a novel method for treating soil-contaminated water, the method using a photocatalytic material capable of efficiently removing, by light irradiation alone, volatile organic compounds and heavy metals that give rise to soil contamination. The present invention provides a method for treating soil-contaminated water that detoxifies volatile organic compounds contained in soil-contaminated, water using a photocatalytic material, the method being characterized by including the steps of (1) subjecting the soil-contaminated water to a gas-liquid separation to obtain a gas phase, and (2) decomposing the volatile organic compounds contained in the gas phase obtained in step (1) using the photocatalytic material.Type: ApplicationFiled: June 28, 2013Publication date: September 8, 2016Applicant: SHOWA CO., LTD.Inventors: Teruki Takayasu, Teruo Arai, Kinji Onoda
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Publication number: 20160133393Abstract: An object of the present invention is to provide a dye-sensitized solar cell that can exhibit high electrical power corresponding to high photoelectric conversion efficiency. Provided is a dye-sensitized solar cell in which a photoelectrode and a counter electrode are disposed opposite to each other via an electrolyte layer; (1) the photoelectrode comprising a titanium material and a titanium oxide layer containing a dye sensitizing agent formed on the titanium material; (2) the counter electrode comprising a transparent conductive glass or transparent conductive film coated with an electrochemical-reduction catalyst layer; and (3) a light-concentrating device being disposed on the counter electrode side.Type: ApplicationFiled: January 19, 2015Publication date: May 12, 2016Inventors: Teruki Takayasu, Kinji Onoda, Ryosuke Matsuoka, Takanori Hattori
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Publication number: 20160002765Abstract: A material that is useful as a wear-resistant member, a highly functional photocatalytic material, a photoelectric conversion element material, etc., is produced without the need for complicated processes or complicated handling, which are problems of the prior art. Provided is a method for producing a surface-treated metallic titanium material or titanium alloy material, the method comprising the steps of (1) forming titanium nitride on the surface of a metallic titanium material, and (2) heating the metallic titanium material with titanium nitride formed on the surface thereof obtained in step (1) in an oxidizing atmosphere.Type: ApplicationFiled: February 20, 2014Publication date: January 7, 2016Inventors: Teruki TAKAYASU, Shingo MORI, Kinji ONODA
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Patent number: 8821831Abstract: The invention concerns a method for producing a crystalline titanium oxide film useful as a photocatalyst, a photovoltaic element, etc. The crystalline titanium oxide film is produced by steps (a-1) and (b): (a-1) a step of heating titanium or titanium alloy under conditions (1) or (2) to form titanium nitride on the surface of the titanium or titanium alloy; (1) in an atmosphere of nitrogen and/or ammonia gas in the presence of a carbon material acting as an oxygen trapping agent; or (2) in an atmosphere where a pressure is reduced to discharge atmospheric gas, and then nitrogen and/or ammonia gas are/is introduced in the presence of a carbon material acting as an oxygen trapping agent; and (b) a step of immersing the titanium or titanium alloy obtained in step (a-1) above in an electrolyte containing an inorganic acid and/or organic acid, and applying voltage for anodization.Type: GrantFiled: August 25, 2005Date of Patent: September 2, 2014Assignee: Showa Co., Ltd.Inventors: Teruki Takayasu, Kinji Onoda
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Patent number: 8597603Abstract: The present invention provides a new method for decomposing and/or removing hazardous substances using a photocatalytic material. The method of the present invention is sufficiently useful in fields requiring quick decomposition and/or removal of hazardous substances in gas and/or liquid phases. The decomposition method of the present invention using a photocatalytic material enables significantly efficient and rapid decomposition of hazardous substances in gas and/or liquid phases by causing a photocatalytic material to coexist with a dilute hydrogen peroxide solution.Type: GrantFiled: May 30, 2011Date of Patent: December 3, 2013Assignee: Showa Co., Ltd.Inventors: Teruki Takayasu, Teruo Arai, Kinji Onoda
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Publication number: 20130078174Abstract: The present invention provides a new method for decomposing and/or removing hazardous substances using a photocatalytic material. The method of the present invention is sufficiently useful in fields requiring quick decomposition and/or removal of hazardous substances in gas and/or liquid phases. The decomposition method of the present invention using a photocatalytic material enables significantly efficient and rapid decomposition of hazardous substances in gas and/or liquid phases by causing a photocatalytic material to coexist with a dilute hydrogen peroxide solution.Type: ApplicationFiled: May 30, 2011Publication date: March 28, 2013Applicant: SHOWA CO., LTD.Inventors: Teruki Takayasu, Teruo Arai, Kinji Onoda
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Patent number: 7980036Abstract: The lining structure of the present invention comprises lining plates each having supporting portions formed at two opposite sides of a square lining plate body via bent step portions, and covering portions formed at the remaining sides of the lining plate body; the lining plates being arranged in longitudinal and transverse directions on a surface to be lined; in the first and second lining plates that are adjacent to each other in longitudinal and transverse directions, a covering portion of one of the lining plates being superposed on a supporting portion of, and being butted against the lining plate body of, another of the lining plates, with the butted portion being joined by welding, with an adhesive, or a combination thereof.Type: GrantFiled: April 14, 2005Date of Patent: July 19, 2011Assignee: Showa Co., Ltd.Inventors: Teruki Takayasu, Kinji Onoda, Ryosuke Matsuoka, Eiji Owaki, Asuko Kimoto
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Publication number: 20090035213Abstract: This invention aims to provide a method for producing a crystalline titanium oxide film that is suitable for industrial production; that forms a large amount of crystalline titanium oxide; and that is useful as a photocatalyst, a photovoltaic element, and the like.Type: ApplicationFiled: August 25, 2005Publication date: February 5, 2009Inventors: Teruki Takayasu, Kinji Onoda
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Publication number: 20070277464Abstract: The lining structure of the present invention comprises lining plates each having supporting portions formed at two opposite sides of a square lining plate body via bent step portions, and covering portions formed at the remaining sides of the lining plate body; the lining plates being arranged in longitudinal and transverse directions on a surface to be lined; in the first and second lining plates that are adjacent to each other in longitudinal and transverse directions, a covering portion of one of the lining plates being superposed on a supporting portion of, and being butted against the lining plate body of, another of the lining plates, with the butted portion being joined by welding, with an adhesive, or a combination thereof.Type: ApplicationFiled: April 14, 2005Publication date: December 6, 2007Applicant: Showa Co., Ltd.Inventors: Teruki Takayasu, Kinji Onoda, Ryosuke Matsuoka, Ejii Owaki, Asuko Kimoto
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Patent number: 6776918Abstract: The invention provides a titanium composite material comprising a bonded laminate having a layer of macromolecular material bonded to the modified surface of a titanium sheet or a titanium alloy sheet, and a process for preparing a titanium composite material, the process comprising the step of bonding a macromolecular material to a titanium sheet or a titanium alloy sheet having a modified surface to be bonded.Type: GrantFiled: December 8, 2000Date of Patent: August 17, 2004Assignees: Showa Co., Ltd., Japan as represented by Secretary of Agency of Industrial Science and TechnologyInventors: Susumu Yoshikawa, Yuko Tanaka, Teruki Takayasu, Hiromasa Ogawa, Kinji Onoda, Masatada Makino, Takashi Nishiyama