Patents by Inventor Kazuhiro Miyajima
Kazuhiro Miyajima 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: 20230153364Abstract: A program executed by a computer having a processor and a memory. The computer stores in a storage unit a trained model generated by training using as training data one or more types of words and a result of searching the Internet with a search engine using one or more types of words as a search query, the trained model receives, as an input, designated words which are words designated by a user, and thereby outputs an article content, and the program causes the processor to execute: receiving an input of at least a first word and a second word different from the first word as first designated words; and outputting a first article content corresponding to the received first designated words, based on the received first word and second word and the trained model.Type: ApplicationFiled: December 29, 2022Publication date: May 18, 2023Applicant: SK TSUSHIN CORPORATIONInventor: Kazuhiro Miyajima
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Patent number: 10160895Abstract: A coolant composition includes: a viscosity improving agent; at least one alkali metal compound selected from the group consisting of alkali metal salts and alkali metal hydroxides; and a base composed of water and/or at least one alcohol selected from the group consisting of a monohydric alcohol, a dihydric alcohol, a trihydric alcohol, and a glycol monoalkyl ether, wherein the viscosity improving agent is a compound represented by a formula of R1O—(R2O)m—SO3M, where R1 represents a linear or branched alkyl or alkenyl group having 16 to 24 carbon atoms, R2 represents an ethylene group or a propylene group, m represents an average addition molar number of R2O and a number from 0.5 to 10, and M represents a cation or a hydrogen atom, and a kinetic viscosity of the coolant composition is 8.5 mm2/sec or higher at 25° C. and is 2.0 mm2/sec or lower at 100° C.Type: GrantFiled: December 23, 2015Date of Patent: December 25, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KAO CORPORATION, JAPAN CHEMICAL INDUSTRIES CO., LTD.Inventors: Yasuaki Kodama, Kazuhiro Miyajima, Ryota Makino, Shogo Kamenoue, Shinichi Ogura, Kazuhito Yaeda, Yoichiro Yoshii, Tomoyuki Nakano, Masayuki Nagasawa
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Patent number: 9929416Abstract: There are provided a stock solution composition for fuel cell vehicle coolant used by dilution with a diluent comprising water and a method for producing the same, and further a fuel cell vehicle coolant composition having improved storage stability and a method for producing the same. The present invention relates to a method for producing a stock solution composition for fuel cell vehicle coolant, wherein the stock solution composition comprises at least one ethylene glycol compound selected from the group consisting of ethylene glycol, diethylene glycol, and triethylene glycol, and is used by dilution with a diluent comprising water, and the method comprises the following steps: (a) a step of selecting as a raw material an ethylene glycol compound having an ethylene glycol monoformate content of 60 ppm or less; or (b) a step of selecting as a raw material an ethylene glycol compound, wherein a 50% by mass aqueous solution of the ethylene glycol compound has a conductivity of 4.Type: GrantFiled: October 30, 2015Date of Patent: March 27, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuichiro Sugiyama, Kazuhiro Miyajima, Youichirou Yoshii, Nobukazu Takagi, Tomoyuki Nakano, Takumi Otsubo
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Publication number: 20170369756Abstract: A coolant composition includes: a viscosity improving agent; at least one alkali metal compound selected from the group consisting of alkali metal salts and alkali metal hydroxides; and a base composed of water and/or at least one alcohol selected from the group consisting of a monohydric alcohol, a dihydric alcohol, a trihydric alcohol, and a glycol monoalkyl ether, wherein the viscosity improving agent is a compound represented by a formula of R1O—(R2O)m—SO3M, where R1 represents a linear or branched alkyl or alkenyl group having 16 to 24 carbon atoms, R2 represents an ethylene group or a propylene group, m represents an average addition molar number of R2O and a number from 0.5 to 10, and M represents a cation or a hydrogen atom, and a kinetic viscosity of the coolant composition is 8.5 mm2/sec or higher at 25° C. and is 2.0 mm2/sec or lower at 100° C.Type: ApplicationFiled: December 23, 2015Publication date: December 28, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KAO CORPORATION, JAPAN CHEMICAL INDUSTRIES CO., LTD.Inventors: Yasuaki KODAMA, Kazuhiro MIYAJIMA, Ryota MAKINO, Shogo KAMENOUE, Shinichi OGURA, Kazuhito YAEDA, Yoichiro YOSHII, Tomoyuki NAKANO, Masayuki NAGASAWA
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Publication number: 20160141646Abstract: There are provided a stock solution composition for fuel cell vehicle coolant used by dilution with a diluent comprising water and a method for producing the same, and further a fuel cell vehicle coolant composition having improved storage stability and a method for producing the same. The present invention relates to a method for producing a stock solution composition for fuel cell vehicle coolant, wherein the stock solution composition comprises at least one ethylene glycol compound selected from the group consisting of ethylene glycol, diethylene glycol, and triethylene glycol, and is used by dilution with a diluent comprising water, and the method comprises the following steps: (a) a step of selecting as a raw material an ethylene glycol compound having an ethylene glycol monoformate content of 60 ppm or less; or (b) a step of selecting as a raw material an ethylene glycol compound, wherein a 50% by mass aqueous solution of the ethylene glycol compound has a conductivity of 4.Type: ApplicationFiled: October 30, 2015Publication date: May 19, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuichiro SUGIYAMA, Kazuhiro MIYAJIMA, Youichirou YOSHII, Nobukazu TAKAGI, Tomoyuki NAKANO, Takumi OTSUBO
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Patent number: 9212597Abstract: This invention provides a coolant composition for an internal combustion engine that can improve the energy efficiency of an internal combustion engine and a method for operating an internal combustion engine using such coolant composition. The coolant composition for an internal combustion engine of the invention has kinematic viscosity of 8.5 to 3,000 mm2/sec at 25° C. and 0.3 to 1.3 mm2/sec at 100° C. The method for operating an internal combustion engine of the invention is carried out with the use of such composition.Type: GrantFiled: June 8, 2012Date of Patent: December 15, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takuya Hirai, Yuichi Shimasaki, Rentaro Kuroki, Syou Tomita, Minoru Yamashita, Kazuhiro Miyajima, Keiji Hayashi
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Publication number: 20150211407Abstract: This invention provides a coolant composition for an internal combustion engine that can improve the energy efficiency of an internal combustion engine and a method for operating an internal combustion engine using such coolant composition. The coolant composition for an internal combustion engine of the invention has kinematic viscosity of 8.5 to 3,000 mm2/sec at 25° C. and 0.3 to 1.3 mm2/sec at 100° C. The method for operating an internal combustion engine of the invention is carried out with the use of such composition.Type: ApplicationFiled: June 8, 2012Publication date: July 30, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takuya Hirai, Yuichi Shimasaki, Rentaro Kuroki, Syou Tomita, Minoru Yamashita, Kazuhiro Miyajima, Keiji Hayashi
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Patent number: 7897550Abstract: Urea grease composition for constant velocity joints is provided containing base oil, one or more urea thickener compounds, (A) one or more molybdenum sulphurized dialkyldithiocarbamates represented by general formula (I) wherein R1 and R2 are independently chosen from alkyl groups of from 1 to 24 carbons, m+n=4, m is from 0 to 3 and n is from 4 to 1, (B) triphenylphosphorothionate represented by formula (II) and (C) one or more stearic acid metal salts.Type: GrantFiled: June 17, 2004Date of Patent: March 1, 2011Assignee: Shell Oil CompanyInventors: Yasushi Kawamura, Takumi Matsumoto, Kazuhiro Miyajima, Tetsuo Nimura, Kazushige Ohmura, Noriaki Shinoda, Keiji Tanaka, Takeo Yamamoto
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Publication number: 20050020456Abstract: Urea grease composition for constant velocity joints is provided containing base oil, one or more urea thickener compounds, (A) one or more molybdenum sulphurized dialkyldithiocarbamates represented by general formula (I) wherein R1 and R2 are independently chosen from alkyl groups of from 1 to 24 carbons, m+n=4, m is from 0 to 3 and n is from 4 to 1, (B) triphenylphosphorothionate represented by formula (II) and (C) one or more stearic acid metal salts.Type: ApplicationFiled: June 17, 2004Publication date: January 27, 2005Inventors: Yasushi Kawamura, Takumi Matsumoto, Kazuhiro Miyajima, Tetsuo Nimura, Kazushige Ohmura, Noriaki Shinoda, Keiji Tanaka, Takeo Yamamoto
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Patent number: 5449471Abstract: A urea grease composition is disclosed, which comprises a urea grease and, incorporated therein as additives, a sulfurized molybdenum dialkyldithiocarbamate represented by formula (A): ##STR1## wherein R.sub.1 and R.sub.Type: GrantFiled: May 25, 1994Date of Patent: September 12, 1995Assignees: Showa Shell Seikyu K.K., Toyota Jidosha Kabushiki KaishaInventors: Takahiro Ozaki, Yasushi Kawamura, Tetsuo Tsuchiya, Fumio Goto, Hideaki Tsuyuki, Kazuhiro Miyajima, Takashi Matsuda, Nobuhiko Okano, Hirofumi Mochizuki