Patents by Inventor Kenji Asami
Kenji Asami 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: 11028914Abstract: A vehicle differential device includes a plurality of pinion gear sets. Each of the pinion gear sets includes a first pinion gear configured to mesh with a first outer helical gear and a plurality of second pinion gears configured to mesh with a second outer helical gear. The first pinion gear integrally includes an axially one end side gear portion configured to mesh with the first outer helical gear and an axially other end side gear portion configured to mesh with the second pinion gears. The second pinion gears are configured to mesh with the second outer helical gear at positions separated from each other in a circumferential direction of the second outer helical gear, and the axially other end side gear portion of the first pinion gear is configured to mesh with the second pinion gears at positions radially outward of the second outer helical gear.Type: GrantFiled: November 21, 2019Date of Patent: June 8, 2021Assignee: JTEKT CorporationInventors: He Jin, Tomoki Yoshihama, Kenji Asami, Songjie Li
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Publication number: 20200173530Abstract: A vehicle differential device includes a plurality of pinion gear sets. Each of the pinion gear sets includes a first pinion gear configured to mesh with a first outer helical gear and a plurality of second pinion gears configured to mesh with a second outer helical gear. The first pinion gear integrally includes an axially one end side gear portion configured to mesh with the first outer helical gear and an axially other end side gear portion configured to mesh with the second pinion gears. The second pinion gears are configured to mesh with the second outer helical gear at positions separated from each other in a circumferential direction of the second outer helical gear, and the axially other end side gear portion of the first pinion gear is configured to mesh with the second pinion gears at positions radially outward of the second outer helical gear.Type: ApplicationFiled: November 21, 2019Publication date: June 4, 2020Applicant: JTEKT CorporationInventors: He Jin, Tomoki Yoshihama, Kenji Asami, Songjie Li
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Publication number: 20110028307Abstract: A catalyst for producing a liquefied petroleum gas according to the present invention comprises a Pd- and/or Pt-based catalyst component and a USY-type zeolite. By using the catalyst, a hydrocarbon containing propane or butane as a main component, i.e. a liquefied petroleum gas, can be produced with high activity, high selectivity and high yield from at least one of methanol and dimethyl ether.Type: ApplicationFiled: October 12, 2010Publication date: February 3, 2011Applicant: JAPAN GAS SYNTHESIZE, LTD.Inventors: Kaoru FUJIMOTO, Kenji ASAMI, Xiaohong LI, Qianwen ZHANG
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Patent number: 7834230Abstract: A catalyst for producing a liquefied petroleum gas according to the present invention comprises a Pd- and/or Pt-based catalyst component and a USY-type zeolite. By using the catalyst, a hydrocarbon containing propane or butane as a main component, i.e. a liquefied petroleum gas, can be produced with high activity, high selectivity and high yield from at least one of methanol and dimethyl ether.Type: GrantFiled: August 18, 2006Date of Patent: November 16, 2010Assignee: Japan Gas Synthesized, Ltd.Inventors: Kaoru Fujimoto, Kenji Asami, Xiaohong Li, Qianwen Zhang
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Patent number: 7728046Abstract: A synthesis gas is produced from a carbon-containing starting material such as a coal; a CO-containing gas is separated from the resultant synthesis gas, whereby obtaining a gas containing carbon monoxide and hydrogen; a methanol- and/or dimethyl ether-containing gas is produced from the resultant gas containing carbon monoxide and hydrogen; meanwhile, a H2-containing gas is produced from the CO-containing gas and the H2O-containing gas separated from the lower-paraffin-containing gas by a shift reaction; a lower-paraffin-containing gas containing propane or butane as a main component of hydrocarbons contained therein is produced from the methanol- and/or dimethyl ether-containing gas and the H2-containing gas; and a H2O-containing gas is separated from the resultant lower-paraffin-containing gas, whereby obtaining a liquefied petroleum gas.Type: GrantFiled: August 9, 2005Date of Patent: June 1, 2010Assignee: Japan Gas Synthesize, Ltd.Inventors: Kaoru Fujimoto, Kenji Asami, Sachio Asaoka, Xiaohong Li
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Publication number: 20090042717Abstract: A catalyst for producing a liquefied petroleum gas according to the present invention comprises a Pd-based methanol synthesis catalyst component and a ?-zeolite catalyst component. It can be used in a reaction of carbon monoxide and hydrogen to give a hydrocarbon containing propane or butane as a main component, i.e., a liquefied petroleum gas, with high activity, high selectivity and high yield. Furthermore, the catalyst has a longer catalyst life with less deterioration.Type: ApplicationFiled: October 11, 2007Publication date: February 12, 2009Applicant: Japan Gas Synthesize, Ltd.Inventors: Kaoru Fujimoto, Kenji Asami, Sachio Asaoka, Xiaohong Li, Qianwen Zhang
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Publication number: 20080319245Abstract: A catalyst for producing a liquefied petroleum gas according to the present invention comprises a methanol synthesis catalyst component in which an olefin-hydrogenation catalyst component is supported on a Zn—Cr-based methanol synthesis catalyst, and a zeolite catalyst component. It can be used in a reaction of carbon monoxide and hydrogen to give a hydrocarbon containing propane or butane as a main component, i.e., a liquefied petroleum gas, with high activity, high selectivity and high yield. Furthermore, the catalyst has a longer catalyst life with less deterioration.Type: ApplicationFiled: May 30, 2005Publication date: December 25, 2008Inventors: Kaoru Fujimoto, Kenji Asami, Xiaohong Li, Sachio Asaoka, Qianwen Zhang
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Publication number: 20080300327Abstract: A synthesis gas is produced from a carbon-containing starting material such as a coal; a CO-containing gas is separated from the resultant synthesis gas, whereby obtaining a gas containing carbon monoxide and hydrogen; a methanol- and/or dimethyl ether-containing gas is produced from the resultant gas containing carbon monoxide and hydrogen; meanwhile, a H2-containing gas is produced from the CO-containing gas and the H2O-containing gas separated from the lower-paraffin-containing gas by a shift reaction; a lower-paraffin-containing gas containing propane or butane as a main component of hydrocarbons contained therein is produced from the methanol- and/or dimethyl ether-containing gas and the H2-containing gas; and a H2O-containing gas is separated from the resultant lower-paraffin-containing gas, whereby obtaining a liquefied petroleum gas.Type: ApplicationFiled: August 9, 2005Publication date: December 4, 2008Applicant: JAPAN GAS SYNTHESIZE, LTD.Inventors: Kaoru Fujimoto, Kenji Asami, Sachio Asaoka, Xiaohong Li
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Patent number: 7432410Abstract: At least one selected from the group consisting of methanol and dimethyl ether, and hydrogen are reacted in the presence of a catalyst for producing a liquefied petroleum gas in which an olefin-hydrogenation catalyst component is supported on a zeolite, to produce a hydrocarbon containing propane or butane as a main component, i.e., a liquefied petroleum gas.Type: GrantFiled: August 30, 2004Date of Patent: October 7, 2008Assignee: Japan Gas Synthesize, Ltd.Inventors: Kenji Asami, Kaoru Fujimoto, Sachio Asaoka, Xiaohong Li
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Publication number: 20070277552Abstract: A hydrocarbon gas containing propane or butane as a main component, i.e., a liquefied petroleum gas is produced by passing a raw material gas comprising at least one selected from the group consisting of methanol and dimethyl ether, and a synthesis gas through a catalyst layer comprising a catalyst for producing a liquefied petroleum gas.Type: ApplicationFiled: February 9, 2007Publication date: December 6, 2007Inventors: Kaoru FUJIMOTO, Kenji ASAMI, Xiaohong LI, Qianwen ZHANG
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Publication number: 20070282019Abstract: Crude methanol or crude dimethyl ether containing carbon monoxide and/or carbon dioxide is produced from the synthesis gas, which is produced from a carbon-containing starting material such as a natural gas, and then a hydrocarbon containing propane or butane as a main component, i.e., a liquefied petroleum gas is produced from the crude methanol or the crude dimethyl ether.Type: ApplicationFiled: February 9, 2007Publication date: December 6, 2007Inventors: Kaoru FUJIMOTO, Kenji ASAMI, Xiaohong LI, Qianwen ZHANG
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Patent number: 7297825Abstract: A catalyst for producing a liquefied petroleum gas according to the present invention comprises a Pd-based methanol synthesis catalyst component and a ?-zeolite catalyst component. It can be used in a reaction of carbon monoxide and hydrogen to give a hydrocarbon containing propane or butane as a main component, i.e., a liquefied petroleum gas, with high activity, high selectivity and high yield. Furthermore, the catalyst has a longer catalyst life with less deterioration.Type: GrantFiled: August 30, 2004Date of Patent: November 20, 2007Assignee: Japan Gas Synthesize, Ltd.Inventors: Kaoru Fujimoto, Kenji Asami, Sachio Asaoka, Xiaohong Li, Qianwen Zhang
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Publication number: 20070106106Abstract: A catalyst for producing a liquefied petroleum gas according to the present invention comprises a Pd— and/or Pt-based catalyst component and a USY-type zeolite. By using the catalyst, a hydrocarbon containing propane or butane as a main component, i.e. a liquefied petroleum gas, can be produced with high activity, high selectivity and high yield from at least one of methanol and dimethyl ether.Type: ApplicationFiled: August 18, 2006Publication date: May 10, 2007Inventors: Kaoru FUJIMOTO, Kenji ASAMI, Xiaohong LI, Qianwen ZHANG
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Publication number: 20070004954Abstract: A liquefied petroleum gas containing propane or butane as a main component is produced by passing a raw material gas comprising hydrogen and at least one selected from the group consisting of methanol and dimethyl ether through a catalyst layer comprising, in the direction of flowing of the raw material gas, a former catalyst layer comprising a catalyst for synthesizing an olefin-containing gas which is used when producing an olefin-containing gas from at least one selected from the group consisting of methanol and dimethyl ether, and a latter catalyst layer comprising a catalyst for hydrogenating an olefin-containing gas which is used when an olefin is hydrogenated to produce a paraffin.Type: ApplicationFiled: February 18, 2004Publication date: January 4, 2007Inventors: Sachio Asaoka, Xiahong Li, Kaoru Fujimoto, Kenji Asami
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Publication number: 20060242904Abstract: A catalyst for producing a liquefied petroleum gas of this invention comprises a methanol synthesis catalyst component and a zeolite catalyst component, and a liquefied petroleum gas containing propane as a main component is produced by reacting carbon monoxide with hydrogen in the presence of this catalyst.Type: ApplicationFiled: February 25, 2004Publication date: November 2, 2006Inventors: Kaoru Fujimoto, Kenji Asami, Sachio Asaoka, Xiaohong Li
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Publication number: 20060036122Abstract: At least one selected from the group consisting of methanol and dimethyl ether, and hydrogen are reacted in the presence of a catalyst for producing a liquefied petroleum gas in which an olefin-hydrogenation catalyst component is supported on a zeolite, to produce a hydrocarbon containing propane or butane as a main component, i.e., a liquefied petroleum gas.Type: ApplicationFiled: August 30, 2004Publication date: February 16, 2006Inventors: Kenji Asami, Kaoru Fujimoto, Sachio Asaoka, Xiaohong Li
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Publication number: 20060009349Abstract: A catalyst for producing a liquefied petroleum gas according to the present invention comprises a Pd-based methanol synthesis catalyst component and a ?-zeolite catalyst component. It can be used in a reaction of carbon monoxide and hydrogen to give a hydrocarbon containing propane or butane as a main component, i.e., a liquefied petroleum gas, with high activity, high selectivity and high yield. Furthermore, the catalyst has a longer catalyst life with less deterioration.Type: ApplicationFiled: August 30, 2004Publication date: January 12, 2006Inventors: Kaoru Fujimoto, Kenji Asami, Sachio Asaoka, Xiaohong Li, Qianwen Zhang
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Publication number: 20040247960Abstract: A fuel cell system includes a fuel tank storing a fuel comprising an ether, water, and an alcohol; a vaporizer vaporizing the fuel; a reformer reforming the vaporized fuel into a hydrogen rich gas; a CO gas removal apparatus configured to remove CO gas in the hydrogen rich gas; and a fuel cell unit configured to generate electricity by electrochemical reaction of the hydrogen rich gas and oxygen.Type: ApplicationFiled: March 29, 2004Publication date: December 9, 2004Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yuusuke Sato, Kaoru Fujimoto, Kenji Asami, Yoshiyuki Isozaki