Patents by Inventor Masahiro Kojima
Masahiro Kojima 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: 20150318555Abstract: A current collector for a battery includes: a layer (1) formed from an electrically conductive material and at least one of (a) a polymer compound having an alicyclic structure, (b) a saturated hydrocarbon polymer compound having a hydroxyl group, (c) a phenoxy resin and an epoxy resin, and (d) an amine having an amine equivalent of 120 g/eq or less and an epoxy resin; a layer (2) which is formed on at least one surface of the layer (1); and a layer (3) formed from an electrically conductive material. The current collector for a battery has stability to an equilibrium potential environment in a negative electrode, a low electric resistance, a blocking property to solvent in electrolytic solution, and a blocking property to a component in an electrolyte. In addition, the current collector for a battery has a high capacity retention rate, and battery durability is improved.Type: ApplicationFiled: August 29, 2013Publication date: November 5, 2015Applicants: KANEKA CORPORATION, NISSAN MOTOR CO., LTD.Inventors: Satoshi Oku, Yusuke Kato, Akiko Waki, Takashi Kikuchi, Takashi Ito, Masahiro Kojima, Gentaro Kano, Shiho Inoue, Yasuyuki Tanaka, Norihisa Waki, Yuji Muroya, Kazuki Miyatake, Yoshio Shimoida, Keisuke Wakabayashi, Tomohisa Matsuno, Seiji Ishimoto
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Patent number: 9132832Abstract: A vehicle power transmission device is disposed on a hybrid vehicle having an engine and an electric motor, the vehicle power transmission device includes a first member having one of outer circumferential teeth disposed around one axial center or inner circumferential teeth meshing with the outer circumferential teeth and a second member having the other teeth, the inner circumferential teeth and the outer circumferential teeth meshes with each other to limit relative rotation around the one axial center between the first member and the second member, the relative rotation between the first member and the second member is limited to transmit torque of the electric motor to drive wheels.Type: GrantFiled: November 8, 2011Date of Patent: September 15, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akitaka Ichikawa, Yoshimitsu Yokouchi, Masahiro Kojima, Ryuji Ibaraki, Michitaka Tsuchida, Shinichiro Suenaga, Hiromichi Kimura
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Patent number: 9102319Abstract: A vehicle power transmission device is disposed on a hybrid vehicle having an engine and an electric motor, the vehicle power transmission device includes a first member having one of outer circumferential teeth disposed around one axial center or inner circumferential teeth meshing with the outer circumferential teeth and a second member having the other teeth, the inner circumferential teeth and the outer circumferential teeth meshes with each other to limit relative rotation around the one axial center between the first member and the second member, the relative rotation between the first member and the second member is limited to transmit torque of the electric motor to drive wheels.Type: GrantFiled: November 8, 2011Date of Patent: August 11, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akitaka Ichikawa, Yoshimitsu Yokouchi, Masahiro Kojima, Ryuji Ibaraki, Michitaka Tsuchida, Shinichiro Suenaga, Hiromichi Kimura
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Publication number: 20150078521Abstract: A portable radiographic imaging system includes an FPD cassette and a portable console, each of which is configured to wirelessly communicate with a portable relay unit. The relay unit prohibits a radiation generator from emitting radiation when judging that a wireless communication connection has not been established between the relay unit and the radiation generator, and allows the radiation generator to emit radiation when judging that the wireless communication connection has not been established between the relay unit and the radiation generator after an interlock release signal is transferred from the console or the like to the radiation generator.Type: ApplicationFiled: September 12, 2014Publication date: March 19, 2015Inventors: Kenichi OZAWA, Masahiro KOJIMA
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Publication number: 20140335998Abstract: A vehicle power transmission device is disposed on a hybrid vehicle having an engine and an electric motor, the vehicle power transmission device includes a first member having one of outer circumferential teeth disposed around one axial center or inner circumferential teeth meshing with the outer circumferential teeth and a second member having the other teeth, the inner circumferential teeth and the outer circumferential teeth meshes with each other to limit relative rotation around the one axial center between the first member and the second member, the relative rotation between the first member and the second member is limited to transmit torque of the electric motor to drive wheels.Type: ApplicationFiled: November 8, 2011Publication date: November 13, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akitaka Ichikawa, Yoshimitsu Yokouchi, Masahiro Kojima, Ryuji Ibaraki, Michitaka Tsuchida, Shinichiro Suenaga, Hiromichi Kimura
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Patent number: 8864140Abstract: A sealing structure using a liquid gasket, having a liquid gasket interposed in the form of a thin film between mating surfaces of a first member and a second member, thereby preventing the movement of oil via the mating surfaces, the sealing structure, includes at oil-side end portions of the mating surfaces, a gasket lump portion that is formed of an excess of the thin-film liquid gasket squeezed out from the mating surfaces, and an oil-shielding portion that covers a boundary portion where the gasket lump portion and the first member come into contact, thereby preventing a flow of the oil from directly striking the boundary portion, and is provided on an oil-flow upstream side from the boundary portion.Type: GrantFiled: August 23, 2010Date of Patent: October 21, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventors: Yuji Iwase, Hiroshi Hata, Yuji Yasuda, Toshihiro Hirao, Yoshiteru Hagino, Katsuya Sasaki, Isao Sato, Sohei Murata, Masahiro Kojima, Masataka Kitte
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Publication number: 20140186699Abstract: A multilayer conductive film includes a layer 1 including a conductive material containing a polymer material 1 having an alicyclic structure and conductive particles 1 and a layer 2 including a material having durability against positive electrode potential. The multilayer conductive film has stability in an equilibrium potential environment in a negative electrode and stability in an equilibrium potential environment in a positive electrode, has low electric resistance per unit area in the thickness direction, and has excellent barrier properties for a solvent of an electrolytic solution. A battery including a current collector employing the multilayer conductive film can achieve both weight reduction and durability.Type: ApplicationFiled: May 22, 2012Publication date: July 3, 2014Applicant: Nissan Motor Co., Ltd.Inventors: Yusuke Kato, Masahiro Kojima, Ryutaro Mukai, Masato Kusakabe, Hiroyuki Ogino, Takashi Kikuchi, Takashi Ito, Satoshi Oku, Akiko Waki, Shiho Inoue, Yuji Muroya, Norihisa Waki, Yasuyuki Tanaka, Shigeo Ibuka, Yoshio Shimoida
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Publication number: 20140099537Abstract: A conductive film includes a layer 1 formed by a conductive material 1 that includes a polymer material 1 containing any of (1) an amine and an epoxy resin (where the epoxy resin and the amine are mixed in a ratio of 1.0 or more in terms of the ratio of the number of active hydrogen atoms in the amine with respect to the number of functional groups in the epoxy resin), (2) a phenoxy resin and an epoxy resin, (3) a saturated hydrocarbon polymer having a hydroxyl group, and (4) a curable resin and an elastomer and conductive particles 1. The conductive film has excellent stability in an equilibrium potential environment in a negative electrode and low electric resistance per unit area in the thickness direction. A multilayer conductive film including the conductive film achieves excellent interlayer adhesion, and using them as a current collector enables the production of a battery satisfying both weight reduction and durability.Type: ApplicationFiled: May 22, 2012Publication date: April 10, 2014Applicants: Nissan Motor Co., Ltd., Kaneka CorporationInventors: Yusuke Kato, Takashi Ito, Masami Yanagida, Satoshi Oku, Hiroyuki Ogino, Masato Kusakabe, Ryutaro Mukai, Masahiro Kojima, Takashi Kikuchi, Akiko Waki, Shiho Inoue, Shigeo Ibuka, Yasuyuki Tanaka, Yoshio Shimoida, Yuji Muroya, Norihisa Waki
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Publication number: 20130270487Abstract: A polyamic acid that includes a polyamic acid (A) obtained by reacting a tetracarboxylic anhydride containing 3,3?,4,4?-biphenyltetracarboxylic dianhydride with a diamine compound containing 4,4?-oxydianiline, a conductivity-imparting agent (B), and an imidization accelerator (C) and in which the conductivity-imparting agent is dispersed is used as a coating liquid; the coating liquid is applied onto a support; the obtained coating film is dried and imidized; and an electrically conductive polyimide film having a desired electric resistivity and good mechanical properties is consequently produced with good productivity.Type: ApplicationFiled: October 28, 2011Publication date: October 17, 2013Applicant: KANEKA CORPORATIONInventors: Satoshi Oku, Masami Yanagida, Yusuke Kato, Masahiro Kojima, Takashi Ito
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Patent number: 8337350Abstract: A power transmission unit in which an inspection and tuning of an electric motor can be carried out easily. In the power transmission unit, a rotor of the electric motor is arranged between a first shaft of an input side and a second shaft of an output side, and in which the first shaft, the second shaft, and the rotor are integrally connected at least in a rotational direction. The first shaft is connected with the rotor, and the first shaft is also connected with the second shaft.Type: GrantFiled: March 22, 2007Date of Patent: December 25, 2012Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.Inventors: Takuma Kakinami, Yasuo Hojo, Masahiro Kojima, Ryuji Ibaraki, Atushi Tabata, Satoru Kasuya, Masashi Kito
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Patent number: 8337714Abstract: The present invention provides ferrite powders for bonded magnet capable of suppressing increase of SFD, while widening a particle size distribution for obtaining flowability and compressed density, and also capable of suppressing deterioration of orientation and magnetizability, and provides a process for a production magnetoplumbite-type ferrite powders containing an oxide of at least one or more kinds of transition metals selected from a group consisting of Zr, Ti, Zn, Co, Mn, and Ni, having a mean particle size of 0.20 ?m or more and less than 5.00 ?m, being the ferrite powders for bonded magnet with the ratio of particles having particle size of 1 ?m or less being 20 mass % or more in the magnetoplumbite-type ferrite powder size distribution obtained by a laser diffraction type particle size distribution analyzer.Type: GrantFiled: September 26, 2008Date of Patent: December 25, 2012Assignees: Dowa Electronics Materials Co., Ltd., Dowa F-Tec Co., Ltd.Inventors: Kazuyuki Nakaue, Shinichi Suenaga, Masahiro Kojima, Hiroya Ikeda, Satoru Tsuboi
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Patent number: 8066090Abstract: A hydraulic control apparatus for an automatic transmission includes a forward travel engaging element, a reverse travel engaging element, a first signal electromagnetic valve, a first switching valve, and a second switching valve. The hydraulic control apparatus is structured so as to change the output state of the signal pressure of the first signal electromagnetic valve when changing from the reverse travel shift position and/or shift range to the non-travel shift position and/or shift range and when changing from the forward travel shift position and/or shift range to the non-travel shift position and/or shift range, and to enable quick draining of hydraulic pressure of the hydraulic servo of the reverse travel engaging element and hydraulic pressure of the hydraulic servo of the forward travel engaging element.Type: GrantFiled: December 26, 2007Date of Patent: November 29, 2011Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Tetsuya Shimizu, Kazuyuki Noda, Kazunori Ishikawa, Satoru Kasuya, Tooru Matsubara, Masahiro Kojima, Ryuji Ibaraki, Atsushi Tabata
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Patent number: 8032847Abstract: A layout design method of a semiconductor integrated circuit includes degenerating a layout netlist extracted from layout data, comparing the layout netlist after the reduction with a circuit diagram netlist, and creating a layout circuit association table of a layout cell after the reduction and a circuit element. The method includes creating a before and after reduction association table based on the layout netlist before and after the reduction, counting the number of layout elements in a layout cell area before the reduction, comparing the counted number of layout elements and the number of degenerated elements, and creating mapping information associating the layout cell with the circuit element.Type: GrantFiled: January 23, 2009Date of Patent: October 4, 2011Assignee: Renesas Electronics CorporationInventor: Masahiro Kojima
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Publication number: 20110139572Abstract: The present invention provides a method for manufacturing a steel plate-shaped component which can increase the yield and the working efficiency. When a steel plate-shaped component (1) such as a pole parking is manufactured, a steel disk-shaped initial material (10) is vertically placed in a cavity (41) of a dice (40) of a cold forging die so that the thickness direction of the initial material (10) is perpendicular to a pressing direction. The initial material (10) is pressed through cold forging against the peripheral side portion (11) by a punch (42) while the initial thickness of the initial material (10) is maintained substantially as it is, whereby an approximate component (20) approximating the plate-shaped component (1) is obtained. Subsequently, a margin portion (25) of the approximate component (20) is removed, whereby a half-finished product (30) is obtained.Type: ApplicationFiled: November 4, 2010Publication date: June 16, 2011Applicants: TOSHIMA MANUFACTURING CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hitoshi Nomasa, Hiroki Uba, Yoshinori Morita, Ryuji Ibaraki, Koichi Kondo, Masahiro Kojima, Fuminori Ashikawa, Tsugio Saito
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Patent number: 7905807Abstract: A hydraulic control apparatus includes a switching device that switches between a hydraulic servo of the plurality of hydraulic servos of the first friction engaging element and a hydraulic servo of the plurality of hydraulic servos of the second friction engaging element so as to supply a control pressure from the one pressure regulating solenoid valve to each of the plurality of hydraulic servos, wherein the switching enables a control of an engagement and disengagement of the first friction engaging element and the second friction engagement element using the one pressure regulating solenoid valve.Type: GrantFiled: December 21, 2007Date of Patent: March 15, 2011Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Tetsuya Shimizu, Kazuyuki Noda, Kazunori Ishikawa, Satoru Kasuya, Tooru Matsubara, Masahiro Kojima, Ryuji Ibaraki, Atsushi Tabata
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Publication number: 20110049814Abstract: A sealing structure using a liquid gasket, having a liquid gasket interposed in the form of a thin film between mating surfaces of a first member and a second member, thereby preventing the movement of oil via the mating surfaces, the sealing structure, includes at oil-side end portions of the mating surfaces, a gasket lump portion that is formed of an excess of the thin-film liquid gasket squeezed out from the mating surfaces, and an oil-shielding portion that covers a boundary portion where the gasket lump portion and the first member come into contact, thereby preventing a flow of the oil from directly striking the boundary portion, and is provided on an oil-flow upstream side from the boundary portion.Type: ApplicationFiled: August 23, 2010Publication date: March 3, 2011Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuji IWASE, Hiroshi HATA, Yuji YASUDA, Toshihiro HIRAO, Yoshiteru HAGINO, Katsuya SASAKI, Isao SATO, Sohei MURATA, Masahiro KOJIMA, Masataka KITTE
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Patent number: 7841961Abstract: A planetary gearset provided with a sun gear, a ring gear, and a carrier that rotatably retains a plurality of pinion gears arranged between the sun gear and the ring gear as elements, in which one of the elements is made a fixed element and one of the other elements is made a rotating element, and which transmits torque between that rotating element and an external member provided in a location eccentric with respect to that rotating member. The planetary gearset is constructed such that the fixed element is movably retained in the direction of a load from the transmission of torque between the rotating element and the external member, and the load from the transmission of torque between the rotating element and the external member is received by a fixed portion that rotatably retains that rotating element.Type: GrantFiled: December 18, 2008Date of Patent: November 30, 2010Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takashi Shimizu, Hideto Watanabe, Hiroshi Hata, Masahiro Kojima, Hideaki Komada, Masataka Sugiyama, Kenji Odaka
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Publication number: 20100295643Abstract: The present invention provides ferrite powders for bonded magnet capable of suppressing increase of SFD, while widening a particle size distribution for obtaining flowability and compressed density, and also capable of suppressing deterioration of orientation and magnetizability, and provides a process for a production magnetoplumbite-type ferrite powders containing an oxide of at least one or more kinds of transition metals selected from a group consisting of Zr, Ti, Zn, Co, Mn, and Ni, having a mean particle size of 0.20 ?m or more and less than 5.00 ?m, being the ferrite powders for bonded magnet with the ratio of particles having particle size of 1 ?m or less being 20 mass % or more in the magnetoplumbite-type ferrite powder size distribution obtained by a laser diffraction type particle size distribution analyzer.Type: ApplicationFiled: September 26, 2008Publication date: November 25, 2010Applicants: DOWA ELECTRONICS MATERIALS CO., LTD, DOWA F-TEC CO., LTDInventors: Kazuyuki Nakaue, Shinichi Suenaga, Masahiro Kojima, Hiroya Ikeda, Satoru Tsuboi
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Patent number: 7811191Abstract: A vehicular power transmitting system including a transmission portion constituting a part of a power transmitting path, an electric motor connected to the power transmitting path, an electrically controlled differential portion connected to the electric motor and having a differential state controllable according to a change of an operating speed of the electric motor, a casing accommodating the transmission portion, the electric motor and the electrically controlled differential portion, and a support member for supporting a rotor of the electric motor, the support member including a support portion formed in one axial end portion thereof, at which the rotor is supported rotatably about its axis, and a tapered portion having a diameter increasing in an axial direction from the one axial end portion toward the other axial end portion at which the support member is fixed to the casing, and wherein a winding portion of a stator of the electric motor is disposed in a space formed radially outwardly of the taperType: GrantFiled: March 2, 2009Date of Patent: October 12, 2010Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.Inventors: Yuji Iwase, Masahiro Kojima, Ryuji Ibaraki, Atsushi Tabata, Tatsuya Imamura, Takuma Kakinami, Natsuki Sada, Tomoo Atarashi, Nobukazu Ike
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Patent number: 7727099Abstract: A vehicle driving device includes a case with a case body; a transmission mechanism having hydraulically controlled frictional engaging devices; an electric motor housed in the case body; and a hydraulic controller that controls oil pressure supplied to the frictional engaging devices, with the hydraulic controller disposed on an outer wall of the case body. The case body has an opening at one end of the case body that is structured to allow the transmission mechanism and the electric motor to be inserted through the opening, and an end wall portion, having a bearing part that supports an output shaft of the transmission mechanism, that is provided at another end of the case body integrally with the case body.Type: GrantFiled: March 7, 2007Date of Patent: June 1, 2010Assignee: Aisin AW Co., Ltd.Inventors: Satoru Kasuya, Masashi Kito, Atsushi Tabata, Takuma Kakinami, Masahiro Kojima, Ryuji Ibaraki, Yuji Iwase