Patents by Inventor Toshimitsu Yamada
Toshimitsu Yamada 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: 11953084Abstract: A drive device protection structure has a rotary electric machine, a gearbox connected the rotary electric machine, an undercover disposed underneath the drive device and a protecting plate provided to the undercover. The rotary electric machine has a rotary electric machine housing that has a rotary electric machine flange. The gearbox has a gearbox housing that has a gearbox flange. The rotary electric machine flange and the gearbox flange are connected together. The rotary electric machine flange and the gearbox flange are formed such that a lower surface of the gearbox flange is positioned lower than a lower surface of the rotary electric machine flange. The protecting plate is formed of a material more rigid than a material of the undercover. The protecting plate is provided beneath connecting part between the rotary electric machine flange and the gearbox flange so as to face the connecting part.Type: GrantFiled: June 9, 2020Date of Patent: April 9, 2024Assignee: Nissan Motor Co., Ltd.Inventors: Jaehak Lee, Yuta Katsushima, Kenji Arai, Daisuke Asakura, Harunobu Abe, Kohei Yamada, Norihisa Tsujimura, Yasuaki Nakamura, Toshimitsu Kakizaki, Kazuhiro Maguchi, Kentarou Kurata
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Patent number: 10799945Abstract: A die casting apparatus according to an aspect of the present disclosure includes a sleeve 30 to which molten metal is supplied, and dies 10 and 20 configured to form a cavity C, in which the molten metal supplied to the sleeve 30 is injected into the cavity C through a runner R linking the sleeve 30 with the cavity C. A plurality of protrusions 22 are provided in the runner R, the plurality of protrusions 22 extending in a direction in which the molten metal flows and being arranged in a comb-teeth arrangement in a width direction of the runner R.Type: GrantFiled: May 8, 2019Date of Patent: October 13, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyoshi Nakano, Yuji Inoue, Shingo Ogura, Yuta Tanaka, Toshimitsu Yamada, Yutaka Yoshida
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Publication number: 20200001357Abstract: A die casting apparatus according to an aspect of the present disclosure includes a sleeve 30 to which molten metal is supplied, and dies 10 and 20 configured to form a cavity C, in which the molten metal supplied to the sleeve 30 is injected into the cavity C through a runner R linking the sleeve 30 with the cavity C. A plurality of protrusions 22 are provided in the runner R, the plurality of protrusions 22 extending in a direction in which the molten metal flows and being arranged in a comb-teeth arrangement in a width direction of the runner R.Type: ApplicationFiled: May 8, 2019Publication date: January 2, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyoshi NAKANO, Yuji INOUE, Shingo OGURA, Yuta TANAKA, Toshimitsu YAMADA, Yutaka YOSHIDA
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Patent number: 7973243Abstract: A coil insulator of an electrical rotating machine used as a main insulator for insulating a bundle of conductors formed of a plurality of insulated wires to form an armature coil provided in a slot of a rotor core or a stator core of an electrical rotating machine, wherein the coil insulator includes a mica layer including at least one of a peeled-off mica and a composite mica, a woven- or unwoven cloth including at least one of inorganic and organic materials, hexagonal crystal boron nitride particles having a graphitization index of 1.8 or more, and thermosetting polymer organic resin which integrally connects the mica layer and the hexagonal crystal boron nitride particles to each other, and the hexagonal crystal boron nitride particles is oriented in a longitudinal direction of the coil.Type: GrantFiled: March 5, 2008Date of Patent: July 5, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Hatano, Katsuhiko Yoshida, Toshimitsu Yamada, Shinobu Sekito, Susumu Nagano, Hiroyoshi Tsuchiya
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Patent number: 7507911Abstract: A coil for an electric rotating machine is configured with a conductor which is formed by bundling a plurality of square strands and stacking the square strands like a coil with Roebel transposition, mica tape which is wound a plurality of layers around an outer surface of the conductor and made up of mica paper and glass cloth backing, and an insulation wall formed by impregnating and curing resin between wound layers of the mica tape. Inorganic particles are supported with the glass cloth backing on the mica tape using an adhesive containing glue insoluble in the impregnated resin as an indispensable component.Type: GrantFiled: June 4, 2007Date of Patent: March 24, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Katsuhiko Yoshida, Noriyuki Iwata, Hiroshi Hatano, Susumu Nagano, Shinobu Sekito, Toshimitsu Yamada, Makoto Kawahara
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Publication number: 20090072654Abstract: A coil insulator of an electrical rotating machine used as a main insulator for insulating a bundle of conductors formed of a plurality of insulated wires to form an armature coil provided in a slot of a rotor core or a stator core of an electrical rotating machine, wherein the coil insulator includes a mica layer including at least one of a peeled-off mica and a composite mica, a woven- or unwoven cloth including at least one of inorganic and organic materials, hexagonal crystal boron nitride particles having a graphitization index of 1.8 or more, and thermosetting polymer organic resin which integrally connects the mica layer and the hexagonal crystal boron nitride particles to each other, and the hexagonal crystal boron nitride particles is oriented in a longitudinal direction of the coil.Type: ApplicationFiled: March 5, 2008Publication date: March 19, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi Hatano, Katsuhiko Yoshida, Toshimitsu Yamada, Shinobu Sekito, Susumu Nagano, Hiroyoshi Tsuchiya
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Patent number: 7425366Abstract: The invention aims to provide a highly heat conductive tape member or sheet member and a method for easily producing a highly heat conductive tape member or sheet member. The mica tape member or mica sheet member of the invention includes a mica-containing layer and a lining material, and the mica-containing layer contains scaly particles, particles having a heat conductivity of 0.5 W/mK or higher and a size of 1 ?m or smaller, and a binder.Type: GrantFiled: July 14, 2006Date of Patent: September 16, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Tetsushi Okamoto, Fumio Sawa, Noriyuki Iwata, Mikio Kakiuchi, Toshimitsu Yamada
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Patent number: 7294788Abstract: A coil for an electric rotating machine is configured with a conductor which is formed by bundling a plurality of square strands and stacking the square strands like a coil with Roebel transposition, mica cape which is wound a plurality of layers around an outer surface of the conductor and made up of mica paper and glass cloth backing, and an insulation wall formed by impregnating and curing resin between wound layers of the mica tape. Inorganic particles are supported with the glass cloth backing on the mica tape using an adhesive containing glue insoluble in the impregnated resin as an indispensable component.Type: GrantFiled: October 23, 2003Date of Patent: November 13, 2007Assignee: Kabushiki Kaisha ToshibaInventors: Katsuhiko Yoshida, Noriyuki Iwata, Hiroshi Hatano, Susumu Nagano, Shinobu Sekito, Toshimitsu Yamada, Makoto Kawahara
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Publication number: 20070222308Abstract: A coil for an electric rotating machine is configured with a conductor which is formed by bundling a plurality of square strands and stacking the square strands like a coil with Roebel transposition, mica tape which is wound a plurality of layers around an outer surface of the conductor and made up of mica paper and glass cloth backing, and an insulation wall formed by impregnating and curing resin between wound layers of the mica tape. Inorganic particles are supported with the glass cloth backing on the mica tape using an adhesive containing glue insoluble in the impregnated resin as an indispensable component.Type: ApplicationFiled: June 4, 2007Publication date: September 27, 2007Inventors: Katsuhiko YOSHIDA, Noriyuki Iwata, Hiroshi HATANO, Susumu NAGANO, Shinobu SEKITO, Toshimitsu YAMADA, Makoto KAWAHARA
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Publication number: 20060258791Abstract: The invention aims to provide a highly heat conductive tape member or sheet member and a method for easily producing a highly heat conductive tape member or sheet member. The mica tape member or mica sheet member of the invention includes a mica-containing layer and a lining material, and the mica-containing layer contains scaly particles, particles having a heat conductivity of 0.5 W/mK or higher and a size of 1 ?m or smaller, and a binder.Type: ApplicationFiled: July 14, 2006Publication date: November 16, 2006Inventors: Tetsushi Okamoto, Fumio Sawa, Noriyuki Iwata, Mikio Kakiuchi, Toshimitsu Yamada
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Publication number: 20050104252Abstract: An insulated coil for electric rotating machinery, according to the present invention is manufactured based on a method of manufacturing the insulated coil for an electric rotating machinery, which includes the steps of taping a mica tape on a coil conductor to mold an insulating layer, impregnating the coil with resin under vacuum and pressure condition, attaching a molding jig on the coil impregnated with the resin, and then heating the resin with which the coil is impregnated, to cure the resin, thus manufacturing the insulated coil. The mica tape taping step, a heat-shrinkable tape taping step, the impregnating step under vacuum and pressure, the resin heating/curing step utilizing a liquid heating compound and a molding jig-disassembling/finishing step are carried out to manufacture the insulated coil.Type: ApplicationFiled: January 30, 2003Publication date: May 19, 2005Inventors: Hisayuki Hirai, Toshimitsu Yamada, Kimihiko Okano, Mitsuhiko Koyama, Hiroshi Hatano
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Publication number: 20040094325Abstract: A coil for an electric rotating machine is configured with a conductor which is formed by bundling a plurality of square strands and stacking the square strands like a coil with Roebel transposition, mica cape which is wound a plurality of layers around an outer surface of the conductor and made up of mica paper and glass cloth backing, and an insulation wall formed by impregnating and curing resin between wound layers of the mica tape. Inorganic particles are supported with the glass cloth backing on the mica tape using an adhesive containing glue insoluble in the impregnated resin as an indispensable component.Type: ApplicationFiled: October 23, 2003Publication date: May 20, 2004Inventors: Katsuhiko Yoshida, Noriyuki Iwata, Hiroshi Hatano, Susumu Nagano, Shinobu Sekito, Toshimitsu Yamada, Makoto Kawahara
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Patent number: 5144035Abstract: This invention provides pyridylthiazolidine carboxamide derivative shown by general formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein A.sup.1 is a single bond, carbonyl group or lower alkylene group which may include a carbonyl group and R.sup.1 is a heterocyclic ring which may be substituted with a lower alkyl group and further provides N-substituted piperazine derivatives useful as intermediates for preparing said compounds (I).Type: GrantFiled: April 10, 1990Date of Patent: September 1, 1992Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Toshiyasu Mase, Hiromu Hara, Toshimitsu Yamada
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Patent number: 4987132Abstract: A saturated heterocyclic carboxamide derivative of the following general formula (I) and salts thereof which have platelet activating factor (PAF) antagonizing activity.Type: GrantFiled: August 16, 1988Date of Patent: January 22, 1991Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Toshiyasu Mase, Hiromu Hara, Hitoshi Nagaoka, Takumi Takahashi, Takeshi Suzuki, Kenichi Tomioka, Toshimitsu Yamada
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Patent number: 4948795Abstract: This invention provides pyridylthiazolidine carboxamide derivative shown by general formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein A.sup.1 is a single bond, carbonyl group or lower alkylene group which may include a carbonyl group and R.sup.1 is a heterocyclic ring which may be substituted with a lower alkyl group and further provides N-substituted piperazine derivatives useful as intermediates for preparing said compounds (I).Type: GrantFiled: April 12, 1989Date of Patent: August 14, 1990Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Toshiyasu Mase, Hiromu Hara, Toshimitsu Yamada
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Patent number: 4033805Abstract: A compound mica sheet is prepared by bonding a mica sheet to a woven fabric through a powdered epoxy resin with curing agent. The mica sheet holds a cured thermosetting resin composition impregnated therein and has an uncured epoxy resin composition including a curing agent impregnated therein. When thermosetting resin is forcedly impregnated, through vacuum/pressure impregnation, into a coil wound with the compound mica sheet which is adapted for use in medium and high voltage electric apparatus, and then cured, an excellent insulated coil is obtained.Type: GrantFiled: February 24, 1976Date of Patent: July 5, 1977Assignee: Tokyo Shibaura Electric Co., Ltd.Inventors: Hisayasu Mitsui, Jun-ichi Kamiuchi, Ryozi Kumazawa, Kimikazu Umemoto, Toshimitsu Yamada, Katsuhiko Yoshida, Taichi Takechi
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Patent number: 3991232Abstract: A method of manufacturing an electrically insulated coil having excellent insulation characteristics and high reliability using a vacuum-pressure impregnation process comprises the step of selectively effectively combining epoxy resins, curing agents and curing accelerators employed as a mica bonding agent and an impregnant.Type: GrantFiled: March 11, 1975Date of Patent: November 9, 1976Assignee: Tokyo Shibaura Electric Co., Ltd.Inventors: Junichi Kamiuchi, Taichi Takechi, Hisayasu Mitsui, Ryozi Kumazawa, Kimikazu Umemoto, Toshimitsu Yamada