Patents by Inventor Yukiyasu Kashiwagi
Yukiyasu Kashiwagi 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: 11084915Abstract: Provided is a means capable of realizing a surface-roughening method for modifying the surface of a resin molded article to form a surficial layer, such as a coating or plating, or to impart a function derived from the surface configuration. The method comprises adding a resin composition and performing a post-treatment and is thus simpler and easier than conventional methods. The resin composition is a composition for resin surface roughening that contains an aliphatic polycarbonate and an alkali metal salt.Type: GrantFiled: December 26, 2016Date of Patent: August 10, 2021Assignees: Sumitomo Seika Chemicals Co., Ltd., Osaka Research Institute of Industrial Science and TechnologyInventors: Kiyoshi Nishioka, Hiroki Maeda, Kei Ishikura, Kimihiro Matsukawa, Yukiyasu Kashiwagi, Masashi Saitoh
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Patent number: 10756383Abstract: General Formula (I) Provided is an all solid state secondary-battery additive comprising a polyalkylene carbonate (I) represented by general formula (I), and by providing such additive, properties such as the charge-discharge capacity and interfacial resistance of an all-solid-state secondary battery are improved. (In general formula (I), R1 and R2 are each a C1-10 chain-like alkylene group or C3-10 cycloalkylene group, m is 0, 1, or 2 and n is an integer of 10 to 15000, and each R1, R2 and m in the polyalkylene carbonate (I) chain is independently the same or different.Type: GrantFiled: August 16, 2016Date of Patent: August 25, 2020Assignees: OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY, SUMITOMO SEIKA CHEMICALS CO., LTD.Inventors: Masanari Takahashi, Mari Yamamoto, Yasuyuki Kobayashi, Shingo Ikeda, Yukiyasu Kashiwagi, Masashi Saitoh, Shuichi Karashima, Kiyoshi Nishioka, Ryo Miyabara
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Publication number: 20180371197Abstract: Provided is a means capable of realizing a surface-roughening method for modifying the surface of a resin molded article to form a surficial layer, such as a coating or plating, or to impart a function derived from the surface configuration. The method comprises adding a resin composition and performing a post-treatment and is thus simpler and easier than conventional methods. The resin composition is a composition for resin surface roughening that contains an aliphatic polycarbonate and an alkali metal salt.Type: ApplicationFiled: December 26, 2016Publication date: December 27, 2018Applicants: SUMITOMO SEIKA CHEMICALS CO., LTD., OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Kiyoshi NISHIOKA, Hiroki MAEDA, Kei ISHIKURA, Kimihiro MATSUKAWA, Yukiyasu KASHIWAGI, Masashi SAITOH
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Publication number: 20180241077Abstract: General Formula (I) Provided is an all solid state secondary-battery additive comprising a polyalkylene carbonate (I) represented by general formula (I), and by providing such additive, properties such as the charge-discharge capacity and interfacial resistance of an all-solid-state secondary battery are improved. (In general formula (I), R1 and R2 are each a C1-10 chain-like alkylene group or C3-10 cycloalkylene group, m is 0, 1, or 2 and n is an integer of 10 to 15000, and each R1, R2 and m in the polyalkylene carbonate (I) chain is independently the same or different.Type: ApplicationFiled: August 16, 2016Publication date: August 23, 2018Applicants: OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY, SUMITOMO SEIKA CHEMICALS CO., LTD.Inventors: Masanari Takahashi, Mari Yamamoto, Yasuyuki Kobayashi, Shingo Ikeda, Yukiyasu Kashiwagi, Masashi Saitoh, Shuichi Karashima, Kiyoshi Nishioka, Ryo Miyabara
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Patent number: 9414487Abstract: The present invention provides a metal paste composition which can obtain the calcined bodies having low volume resistivity in a wiring substrate after calcining. More specifically, the present invention provides a metal paste composition comprising a metal, an aliphatic polycarbonate, and an organic solvent.Type: GrantFiled: March 6, 2012Date of Patent: August 9, 2016Assignees: SUMITOMO SEIKA CHEMICALS CO., LTD., OSAKA MUNICIPAL TECHNICAL RESEARCH INSTITUTEInventors: Nobutaka Fujimoto, Tomoki Kawakita, Ryou Miyabara, Masami Nakamoto, Toshinobu Ohno, Mari Yamamoto, Yukiyasu Kashiwagi
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Patent number: 8999206Abstract: Metal nanoparticles having improved migration resistance are provided. The present invention relates to a method for manufacturing composite nanoparticles including obtaining composite nanoparticles containing at least silver and copper in a single particle by heat treating a mixture containing an organic silver compound and an organic copper compound at a temperature of 150° C. or more in a non-oxidative atmosphere in the presence of a tertiary amine compound represented by the general formula R1R2R3N (wherein R1 through R3 are optionally substituted alkyl groups or aryl groups that may be the same or different, R1 through R3 may be linked in a ring, and the number of carbon atoms in each of R1 through R3 is 5 through 18 and may be the same or different).Type: GrantFiled: August 6, 2009Date of Patent: April 7, 2015Assignees: Osaka Municipal Technical Research Institute, Daiken Chemical Co., Ltd.Inventors: Masami Nakamoto, Mari Yamamoto, Yukiyasu Kashiwagi, Yukio Yoshida, Hiroshi Kakiuchi, Shinsuke Matsumura
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Patent number: 8784702Abstract: Copper-containing nanoparticles with excellent oxidation resistance is provided. The present invention relates to a method for manufacturing copper-containing nanoparticles including obtaining copper-containing nanoparticles that contain an organic component by heat treating an organic copper compound at a temperature equal to or higher than a decomposition initiation temperature of the compound and lower than a complete decomposition temperature of the compound in a non-oxidative atmosphere in the presence of an organic material containing a 1,2-alkanediol having 5 or more carbon atoms and/or a derivative thereof.Type: GrantFiled: August 6, 2009Date of Patent: July 22, 2014Assignees: Osaka Municipal Technical Research Institute, Daiken Chemical Co., Ltd.Inventors: Masami Nakamoto, Mari Yamamoto, Yukiyasu Kashiwagi, Yukio Yoshida, Hiroshi Kakiuchi, Shinsuke Matsumura
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Publication number: 20140008588Abstract: The present invention provides a metal paste composition which can obtain the calcined bodies having low volume resistivity in a wiring substrate after calcining. More specifically, the present invention provides a metal paste composition comprising a metal, an aliphatic polycarbonate, and an organic solvent.Type: ApplicationFiled: March 6, 2012Publication date: January 9, 2014Applicants: OSAKA MUNICIPAL TECHNICAL RESEARCH INSTITUTE, SUMITOMO SEIKA CHEMICALS CO., LTD.Inventors: Nobutaka Fujimoto, Tomoki Kawakita, Ryou Miyabara, Masami Nakamoto, Toshinobu Ohno, Mari Yamamoto, Yukiyasu Kashiwagi
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Publication number: 20110193033Abstract: Metal nanoparticles having improved migration resistance are provided. The present invention relates to a method for manufacturing composite nanoparticles including obtaining composite nanoparticles containing at least silver and copper in a single particle by heat treating a mixture containing an organic silver compound and an organic copper compound at a temperature of 150° C. or more in a non-oxidative atmosphere in the presence of a tertiary amine compound represented by the general formula R1R2R3N (wherein R1 through R3 are optionally substituted alkyl groups or aryl groups that may be the same or different, R1 through R3 may be linked in a ring, and the number of carbon atoms in each of R1 through R3 is 5 through 18 and may be the same or different).Type: ApplicationFiled: August 6, 2009Publication date: August 11, 2011Applicants: OSAKA MUNICIPAL TECHNICAL RESEARCH INSTITUTE, DAIKEN CHEMICAL CO., LTD.Inventors: Masami Nakamoto, Mari Yamamoto, Yukiyasu Kashiwagi, Yukio Yoshida, Hiroshi Kakiuchi, Shinsuke Matsumura
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Publication number: 20110193034Abstract: Copper-containing nanoparticles with excellent oxidation resistance is provided. The present invention relates to a method for manufacturing copper-containing nanoparticles including obtaining copper-containing nanoparticles that contain an organic component by heat treating an organic copper compound at a temperature equal to or higher than a decomposition initiation temperature of the compound and lower than a complete decomposition temperature of the compound in a non-oxidative atmosphere in the presence of an organic material containing a 1,2-alkanediol having 5 or more carbon atoms and/or a derivative thereof.Type: ApplicationFiled: August 6, 2009Publication date: August 11, 2011Applicants: OSAKA MUNICIPAL TECHNICAL RESEARCH INSTITUTE, DAIKEN CHEMICAL CO., LTD.Inventors: Masami Nakamoto, Mari Yamamoto, Yukiyasu Kashiwagi, Yukio Yoshida, Hiroshi Kakiuchi, Shinsuke Matsumura