Patents by Inventor Tatsuya Chiba
Tatsuya Chiba 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: 20230407809Abstract: In at least some implementations, a method of controlling fuel injection events, includes determining at least one engine operating condition, determining timing of a desired pressure in an engine intake chamber or at the outlet of a fuel injector, and initiating a fuel injection event as a function of the at least one engine operating condition and the desired pressure. The fuel injection event is initiated prior to the desired pressure occurring and wherein the fuel injection event occurs for a duration such that the fuel injection event terminates after the desired pressure occurs.Type: ApplicationFiled: September 5, 2023Publication date: December 21, 2023Inventors: Takashi Abei, Tatsuya Chiba, Mark S. Swanson
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Publication number: 20230407799Abstract: In at least some implementations, a charge forming device includes a main body having a throttle bore, a throttle valve, a housing and a circuit board including a throttle position sensor and a pressure sensor. The throttle valve is received at least partially within the valve bore, is rotatable between an idle position and a second position, and includes a magnet that is rotated when the throttle valve rotates. The housing is carried by the main body, and the circuit board is carried by the housing. A signal path is defined leading from the pressure sensor to a pressure source, the signal path includes a liquid collection area located below a gaseous area with respect to gravity.Type: ApplicationFiled: January 18, 2022Publication date: December 21, 2023Inventors: Tatsuya Chiba, Katsuaki Hamataka, Tomoya Kawada, Naoya Kumagai, Yuki Tanaka, Kazunori Tsubakino, Makoto Waku
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Publication number: 20230373864Abstract: A MnZn-based ferrite that can reduce the loss even when a high-frequency voltage fluctuation occurs is provided. The above MnZn-based ferrite is a MnZn-based ferrite including Fe2O3, ZnO, and MnO as main components, in which Fe2O3 is 53.2 to 56.3 mol % and ZnO is 1.0 to 9.0 mol %, with a balance of MnO, in 100 mol % of the main components, and the MnZn-based ferrite includes 0.9 to 2.0% by mass of Co2O3, 0.005 to 0.06% by mass of SiO2, and 0.01 to 0.06% by mass of CaO, as auxiliary components, per 100% by mass of the main components.Type: ApplicationFiled: August 16, 2021Publication date: November 23, 2023Inventors: Shota MISUMI, Tatsuya CHIBA, Kenichi MURAI
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Patent number: 11773803Abstract: In at least some implementations, a method of controlling fuel injection events, includes determining at least one engine operating condition, determining timing of a desired pressure in an engine intake chamber or at the outlet of a fuel injector, and initiating a fuel injection event as a function of the at least one engine operating condition and the desired pressure. The fuel injection event is initiated prior to the desired pressure occurring and wherein the fuel injection event occurs for a duration such that the fuel injection event terminates after the desired pressure occurs.Type: GrantFiled: December 2, 2020Date of Patent: October 3, 2023Assignee: Walbro LLCInventors: Takashi Abei, Tatsuya Chiba, Mark S. Swanson
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Publication number: 20230015191Abstract: In at least some implementations, a method of control-ling fuel injection events, includes determining at least one engine op-erating condition, determining timing of a desired pressure in an engine intake chamber or at the outlet of a fuel injector, and initiating a fuel injection event as a function of the at least one engine operating condition and the desired pressure. The fuel injection event is initiated prior to the desired pressure occurring and wherein the fuel injection event occurs for a duration such that the fuel injection event terminates after the desired pressure occurs.Type: ApplicationFiled: December 2, 2020Publication date: January 19, 2023Inventors: Takashi Abei, Tatsuya Chiba, Mark S. Swanson
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Patent number: 11008409Abstract: Provided is a method for producing a butene polymer, comprising: a polymerization step of performing polymerization reaction by contacting a raw material component comprising 20% by mass or more of isobutene with a Lewis acid catalyst; and a distillation step of subjecting a solution to be treated containing a reaction product of the polymerization reaction and a butene oligomer added to the reaction product to distillation treatment to obtain the butene polymer, wherein an amount of the butene oligomer added is 25 parts by mass or larger with respect to 100 parts by mass of the reaction product.Type: GrantFiled: December 15, 2016Date of Patent: May 18, 2021Assignee: ENEOS CorporationInventors: Tatsuo Yamaguchi, Koichi Sato, Tatsuya Chiba, Teruhisa Kuroki
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Publication number: 20200270377Abstract: Provided is a method for producing a butene polymer, comprising: a polymerization step of performing polymerization reaction by contacting a raw material component comprising 20% by mass or more of isobutene with a Lewis acid catalyst; and a distillation step of subjecting a solution to be treated containing a reaction product of the polymerization reaction and a butene oligomer added to the reaction product to distillation treatment to obtain the butene polymer, wherein an amount of the butene oligomer added is 25 parts by mass or larger with respect to 100 parts by mass of the reaction product.Type: ApplicationFiled: December 15, 2016Publication date: August 27, 2020Applicant: JXTG NIPPON OIL & ENERGY CORPORATIONInventors: Tatsuo YAMAGUCHI, Koichi SATO, Tatsuya CHIBA, Teruhisa KUROKI
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Patent number: 9862785Abstract: A method for producing an olefin polymer, in which an olefin compound is polymerized in the presence of a Lewis acid catalyst at a temperature of 0° C. or lower to obtain an olefin polymer, the method comprising a step of feeding a raw material liquid including the olefin compound to a reactor provided with a cooling unit, a step of polymerizing the olefin compound in the reactor to obtain a reaction liquid including the olefin polymer, a deactivation step of adding a deactivator to the reaction liquid taken out from the reactor to deactivate the Lewis acid catalyst, and a step of supplying the reaction liquid after the deactivation step to a cold recovery unit to recover cold from the reaction liquid, wherein the amount of the Lewis acid catalyst is 0.5×10?3 to 1.0×10?1 mol % based on the total amount of the olefin compound.Type: GrantFiled: February 20, 2015Date of Patent: January 9, 2018Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Tatsuya Chiba, Koichi Sato, Teruhisa Kuroki, Ryuichiro Furusawa, Takeshi Omata
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Publication number: 20170107311Abstract: A method for producing an olefin polymer, in which an olefin compound is polymerized in the presence of a Lewis acid catalyst at a temperature of 0° C. or lower to obtain an olefin polymer, the method comprising a step of feeding a raw material liquid including the olefin compound to a reactor provided with a cooling unit, a step of polymerizing the olefin compound in the reactor to obtain a reaction liquid including the olefin polymer, a deactivation step of adding a deactivator to the reaction liquid taken out from the reactor to deactivate the Lewis acid catalyst, and a step of supplying the reaction liquid after the deactivation step to a cold recovery unit to recover cold from the reaction liquid, wherein the amount of the Lewis acid catalyst is 0.5×10?3 to 1.0×10?1 mol % based on the total amount of the olefin compound.Type: ApplicationFiled: February 20, 2015Publication date: April 20, 2017Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Tatsuya CHIBA, Koichi SATO, Teruhisa KUROKI, Ryuichiro FURUSAWA, Takeshi OMATA
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Patent number: 9459591Abstract: A multipoint simultaneous measurement method and a multipoint simultaneous measurement system in an electric power station and an internal clock used therefor, capable of performing measurement at the correct time even at a place in the electric power station where GPS radio waves cannot be received, and of securing simultaneity with high accuracy and with ease without connecting a plurality of measurement points via a cable and the like.Type: GrantFiled: May 28, 2012Date of Patent: October 4, 2016Assignees: CVENGINEERING CORPORATION, TOHOKU ELECTRIC POWER CO., INC.Inventors: Tatsuya Chiba, Masaki Sato, Yoichi Yanagisawa
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Publication number: 20140194576Abstract: A rubber composition containing a rubber component having an olefinic double bond, and an isobutylene polymer having a structural unit represented by the following formula (1) and a structural unit represented by the following formula (2), wherein the content of a low molecular weight substance whose molecular weight is 1000 or less in the isobutylene polymer is 5% by mass or less based on the total amount of the isobutylene polymer. [wherein X represents a divalent group, Y represents a substituted or unsubstituted alicyclic group having an unsaturated bond, and n represents 0 or 1.Type: ApplicationFiled: June 29, 2012Publication date: July 10, 2014Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Zhengzhe Jin, Tsutomu Takashima, Tsuyoshi Yamaguchi, Tatsuya Chiba
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Publication number: 20130311135Abstract: A multipoint simultaneous measurement method and a multipoint simultaneous measurement system in an electric power station and an internal clock used therefor, capable of performing measurement at the correct time even at a place in the electric power station where GPS radio waves cannot be received, and of securing simultaneity with high accuracy and with ease without connecting a plurality of measurement points via a cable and the like.Type: ApplicationFiled: May 28, 2012Publication date: November 21, 2013Applicants: CVEngineering Corporation, TOHOKU ELECTRIC POWER CO., INC.Inventors: Tatsuya Chiba, Masaki Sato, Yoichi Yanagisawa
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Patent number: 7648774Abstract: An electromagnetic noise suppressor including a ferrite film is formed by regularly arranging constituents such as magnetized grains or one analogous to that. In the ferrite film, the constituents have at least one of the uniaxial anisotropy and the multiaxial anisotropy. The ferrite film has the magnetic anisotropy or the magnetic isotropy. The ferrite film is formed by a plating method in the presence of a magnetic field.Type: GrantFiled: September 16, 2008Date of Patent: January 19, 2010Assignee: NEC Tokin CorporationInventors: Koichi Kondo, Okikuni Takahata, Tatsuya Chiba, Hiroshi Ono, Shigeyoshi Yoshida, Masanori Abe, Masahiro Yamaguchi
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Publication number: 20090061256Abstract: An electromagnetic noise suppressor including a ferrite film is formed by regularly arranging constituents such as magnetized grains or one analogous to that. In the ferrite film, the constituents have at least one of the uniaxial anisotropy and the multiaxial anisotropy. The ferrite film has the magnetic anisotropy or the magnetic isotropy. The ferrite film is formed by a plating method in the presence of a magnetic field.Type: ApplicationFiled: September 16, 2008Publication date: March 5, 2009Applicant: NEC TOKIN CorporationInventors: Koichi Kondo, Okikuni Takahata, Tatsuya Chiba, Hiroshi Ono, Shigeyoshi Yoshida, Masanori Abe, Masahiro Yamaguchi
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Patent number: 7438946Abstract: A ferrite film is formed by regularly arranging constituents such as magnetized grains or one analogous to that. In the ferrite film, the constituents have at least one of the uniaxial anisotropy and the multiaxial anisotropy. The ferrite film has the magnetic anisotropy or the magnetic isotropy. The ferrite film is formed by the use of the plating method in the presence of a magnetic field. Furthermore, an electromagnetic noise suppressor includes the ferrite film.Type: GrantFiled: December 6, 2006Date of Patent: October 21, 2008Assignee: NEC TOKIN CorporationInventors: Koichi Kondo, Okikuni Takahata, Tatsuya Chiba, Hiroshi Ono, Shigeyoshi Yoshida, Masanori Abe, Masahiro Yamaguchi
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Publication number: 20070077369Abstract: A ferrite film is formed by regularly arranging constituents such as magnetized grains or one analogous to that. In the ferrite film, the constituents have at least one of the uniaxial anisotropy and the multiaxial anisotropy. The ferrite film has the magnetic anisotropy or the magnetic isotropy. The ferrite film is formed by the use of the plating method in the presence of a magnetic field. Furthermore, an electromagnetic noise suppressor includes the ferrite film.Type: ApplicationFiled: December 6, 2006Publication date: April 5, 2007Applicant: NEC TOKIN CorporationInventors: Koichi Kondo, Okikuni Takahata, Tatsuya Chiba, Hiroshi Ono, Shigeyoshi Yoshida, Masanori Abe, Masahiro Yamaguchi
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Patent number: 7160636Abstract: A ferrite film is formed by regularly arranging constituents such as magnetized grains or one analogous to that. In the ferrite film, the constituents have at least one of the uniaxial anisotropy and the multiaxial anisotropy. The ferrite film has the magnetic anisotropy or the magnetic isotropy. The ferrite film is formed by the use of the plating method in the presence of a magnetic field. Furthermore, an electromagnetic noise suppressor includes the ferrite film.Type: GrantFiled: September 11, 2003Date of Patent: January 9, 2007Assignee: NEC Tokin CorporationInventors: Koichi Kondo, Okikuni Takahata, Tatsuya Chiba, Hiroshi Ono, Shigeyoshi Yoshida, Masanori Abe, Masahiro Yamaguchi
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Publication number: 20040157085Abstract: A ferrite film is formed by regularly arranging constituents such as magnetized grains or one analogous to that. In the ferrite film, the constituents have at least one of the uniaxial anisotropy and the multiaxial anisotropy. The ferrite film has the magnetic anisotropy or the magnetic isotropy. The ferrite film is formed by the use of the plating method in the presence of a magnetic field. Furthermore, an electromagnetic noise suppressor includes the ferrite film.Type: ApplicationFiled: September 11, 2003Publication date: August 12, 2004Applicant: NEC TOKIN CorporationInventors: Koichi Kondo, Okikuni Takahata, Tatsuya Chiba, Hiroshi Ono, Shigeyoshi Yoshida, Masanori Abe, Masahiro Yamaguchi
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Patent number: 4543378Abstract: A polyamide composition having an enhanced adhesion to coatings, which comprises a polyamide with a ratio of the terminal amino group concentration to the terminal carboxyl group concentration of at least 1.5, an inorganic filler, and a triazine, wherein the amount of the inorganic filler is from 1 to 150 weight parts per 100 weight parts of the polyamide and the amount of the triazine is more than 1 weight part per 100 weight parts of the sum of the polyamide and the inorganic filler.Type: GrantFiled: July 20, 1983Date of Patent: September 24, 1985Assignees: Ube Industries, Ltd., Nissan Motor Company, Ltd.Inventors: Akito Suhara, Kazuhiko Takasugi, Toshihide Sato, Masashi Ono, Kazuo Higuchi, Tatsuya Chiba
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Patent number: 4341414Abstract: A back door stay arrangement for an automotive vehicle including an opening formed at the back of the automotive vehicle, comprising a back door hinged at its upper portion to the upper edge portion of said opening so that said back door can be opened or closed; a back door stay fitted between a side edge portion of said opening and said back door for the purpose of supporting said back door; a weather strip adapted to seal said opening with said back door when said back door is closed; a stepped portion formed on the inner portion of said side edge portion of said opening inside of the sealing point of said weather strip in such a way that said stepped portion can cover said back door stay, one end of said back door stay being provided on said stepped portion; and a barrier embossed in a convex form on the inner side of said back door at a position corresponding to said stepped portion, the other end of said back door stay being provided on said barrier; whereby said back door stay can be placed in a space dType: GrantFiled: October 9, 1979Date of Patent: July 27, 1982Assignee: Nissan Motor Company, LimitedInventor: Tatsuya Chiba