Patents by Inventor Yasumasa Takeuchi
Yasumasa Takeuchi 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: 20240106189Abstract: A chip on submount includes: a submount including a first surface directed in a first direction; a covering layer mounted on the first surface, extending to intersect the first direction, and including a second surface directed in the first direction; a laser element mounted on the second surface and including: a third surface directed in the first direction; and a light emission unit positioned at an intermediate portion of the laser element along a second direction intersecting the first direction, extending in a third direction intersecting the first direction and second direction, and configured to output laser light in the third direction; and a bonding wire attached onto the third surface and configured to exert a pressing force on the laser element, the pressing force including a component force directed in a direction opposite to the first direction.Type: ApplicationFiled: December 11, 2023Publication date: March 28, 2024Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Yasumasa KAWAKITA, Masakazu MIURA, Hirotatsu ISHII, Tetsuya TAKEUCHI
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Patent number: 10931180Abstract: A method and an apparatus for manufacturing a rotor of an electric motor are provided to obtain an electric motor with high efficiency. To this end, a rotor is magnetized by using a magnetizing device. The rotor includes a rotor magnet disposed in the circumferential direction of a rotor shaft, and a position detecting magnet disposed side-by-side with the rotor magnet with respect to the axial direction of the rotor shaft. The magnetizing device includes a rotor-magnet magnetizing yoke and a position-detecting-magnet magnetizing yoke that generate two magnetic fields. The two magnetic fields each have unlike poles arranged alternately in the circumferential direction and have a phase difference relative to each other in the circumferential direction. A phase difference is thus provided between the poles of the rotor magnet and the poles of the position detecting magnet.Type: GrantFiled: October 20, 2015Date of Patent: February 23, 2021Assignee: Mitsubishi Electric CorporationInventors: Yusuke Maeshima, Yasumasa Takeuchi, Yuki Ohashi
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Publication number: 20180278132Abstract: A method and an apparatus for manufacturing a rotor of an electric motor are provided to obtain an electric motor with high efficiency. To this end, a rotor is magnetized by using a magnetizing device. The rotor includes a rotor magnet disposed in the circumferential direction of a rotor shaft, and a position detecting magnet disposed side-by-side with the rotor magnet with respect to the axial direction of the rotor shaft. The magnetizing device includes a rotor-magnet magnetizing yoke and a position-detecting-magnet magnetizing yoke that generate two magnetic fields. The two magnetic fields each have unlike poles arranged alternately in the circumferential direction and have a phase difference relative to each other in the circumferential direction. A phase difference is thus provided between the poles of the rotor magnet and the poles of the position detecting magnet.Type: ApplicationFiled: October 20, 2015Publication date: September 27, 2018Inventors: Yusuke MAESHIMA, Yasumasa TAKEUCHI, Yuki OHASHI
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Patent number: 9966604Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.Type: GrantFiled: December 5, 2014Date of Patent: May 8, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Shigeo Kondo, Yasumasa Takeuchi, Yuji Shinohara, Takeo Kawase
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Patent number: 9515532Abstract: A mold motor includes a mold stator, a rotor, and a bracket. The mold stator includes a first bearing housing section formed of thermosetting resin, one bearing of the rotor fitting in one end in an axial direction of the first bearing housing section, an opening section formed at an end on the opposite side of the bearing housing section, and a bracket press-fitting section formed near the opening section and having a diameter larger than a stator inner diameter. The bracket includes a bracket resin section configuring a second bearing housing section in which the other bearing of the rotor fits and a bracket sheet metal section press-fit into the bracket press-fitting section of the mold stator. In the bracket, the bracket resin section and the bracket sheet metal section are integrally molded.Type: GrantFiled: December 28, 2011Date of Patent: December 6, 2016Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Mineo Yamamoto, Kazunori Sakanobe, Hiroyuki Ishii, Hiroki Aso, Kazuya Omura, Yasumasa Takeuchi, Katsumi Shibayama, Hitoshi Mochizuki
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Patent number: 9257718Abstract: A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a laminated body having a pair of electrodes and an electrolyte layer provided between the pair of electrodes, the electrolyte layer including electrolyte particles, the laminated body having an end portion, and a restrictor provided so as to cover at least the end portion of the laminated body for restricting expansion of the electrolyte layer in the plane direction thereof.Type: GrantFiled: April 30, 2014Date of Patent: February 9, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Shigeo Kondo, Yasumasa Takeuchi
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Patent number: 9190659Abstract: A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a first electrode layer, a second electrode layer, and an electrolyte layer provided between the first and second electrode layers, the electrolyte layer including electrolyte particles, wherein at least one of the first and second electrode layers includes a base member having a major surface on which a plurality of concave portions are formed and an electrode material filled in at least the concave portions, the major surface facing to the electrolyte layer.Type: GrantFiled: August 29, 2007Date of Patent: November 17, 2015Assignee: SEIKO EPSON CORPORATIONInventors: Shigeo Kondo, Yasumasa Takeuchi, Yoshiharu Ajiki
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Publication number: 20150086874Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.Type: ApplicationFiled: December 5, 2014Publication date: March 26, 2015Inventors: Shigeo KONDO, Yasumasa TAKEUCHI, Yuji SHINOHARA, Takeo KAWASE
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Patent number: 8870976Abstract: A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. A method for manufacturing a secondary battery, the secondary battery including a laminated body having a pair of electrodes and an electrolyte layer provided between the pair of electrodes, the laminated body having an end portion, and a restrictor provided so as to cover at least the end portion of the laminated body for restricting expansion of the electrolyte layer in the plane direction thereof, the method includes preparing a mold, the pair of electrodes and electrolyte particles for forming the electrolyte layer, joining the pair of electrodes and the electrolyte layer together by pressing the electrodes and the electrolyte particles within the mold to form the laminated body, and providing the restrictor so as to cover at least the end portion of the laminated body removed from the mold.Type: GrantFiled: August 29, 2007Date of Patent: October 28, 2014Assignee: Seiko Epson CorporationInventors: Shigeo Kondo, Yasumasa Takeuchi
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Publication number: 20140234695Abstract: A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a laminated body having a pair of electrodes and an electrolyte layer provided between the pair of electrodes, the electrolyte layer including electrolyte particles, the laminated body having an end portion, and a restrictor provided so as to cover at least the end portion of the laminated body for restricting expansion of the electrolyte layer in the plane direction thereof.Type: ApplicationFiled: April 30, 2014Publication date: August 21, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Shigeo KONDO, Yasumasa TAKEUCHI
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Publication number: 20140072883Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.Type: ApplicationFiled: November 15, 2013Publication date: March 13, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Shigeo KONDO, Yasumasa TAKEUCHI, Yuji SHINOHARA, Takeo KAWASE
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Patent number: 8614020Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.Type: GrantFiled: September 24, 2008Date of Patent: December 24, 2013Assignee: Seiko Epson CorporationInventors: Shigeo Kondo, Yasumasa Takeuchi, Yuji Shinohara, Takeo Kawase
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Publication number: 20130293036Abstract: A mold motor includes a mold stator, a rotor, and a bracket. The mold stator includes a first bearing housing section formed of thermosetting resin, one bearing of the rotor fitting in one end in an axial direction of the first bearing housing section, an opening section formed at an end on the opposite side of the bearing housing section, and a bracket press-fitting section formed near the opening section and having a diameter larger than a stator inner diameter. The bracket includes a bracket resin section configuring a second bearing housing section in which the other bearing of the rotor fits and a bracket sheet metal section press-fit into the bracket press-fitting section of the mold stator. In the bracket, the bracket resin section and the bracket sheet metal section are integrally molded.Type: ApplicationFiled: December 28, 2011Publication date: November 7, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Mineo Yamamoto, Kazunori Sakanobe, Hiroyuki Ishii, Hiroki Aso, Kazuya Omura, Yasumasa Takeuchi, Katsumi Shibayama, Hitoshi Mochizuki
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Publication number: 20090087730Abstract: A battery device comprises a first lead board having one surface and the other surface, a second lead board having one surface and the other surface, the one surface of the second lead board facing the one surface of the first lead board through a spacing, a first terminal electrode formed on the one surface of the first lead board, a second terminal electrode formed on the one surface of the second lead board, and a solid electrolyte of conducting a lithium ion provided in the spacing between the one surface of the first lead board and the one surface of the second lead board so as to cover at least one of the first terminal electrode and the second terminal electrode. Such a battery device can eliminate occurrence of short-circuit between the cathode and the anode, which likely to occur during the production of an all-solid secondary battery. Further, an all-solid lithium-ion secondary battery provided with the battery device is also provided.Type: ApplicationFiled: September 4, 2008Publication date: April 2, 2009Applicant: SEIKO EPSON CORPORATIONInventors: Shigeo Kondo, Yasumasa Takeuchi, Yuji Shinohara, Takeo Kawase
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Publication number: 20090087751Abstract: A solid electrolyte material of conducting a lithium ion comprises a sulfide-based lithium-ion conductor and ?-alumina. Such a solid electrolyte material exhibits superior lithium-ion conductivity. Further, a battery device provided with such a solid electrolyte material is also provided. Furthermore, an all-solid lithium-ion secondary battery provided with such a battery device is also provided.Type: ApplicationFiled: September 4, 2008Publication date: April 2, 2009Applicant: SEIKO EPSON CORPORATIONInventors: Shigeo Kondo, Yasumasa Takeuchi, Yuji Shinohara, Takeo Kawase
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Publication number: 20090081553Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.Type: ApplicationFiled: September 24, 2008Publication date: March 26, 2009Applicant: SEIKO EPSON CORPORATIONInventors: Shigeo Kondo, Yasumasa Takeuchi, Yuji Shinohara, Takeo Kawase
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Patent number: 7429778Abstract: There is provided a method for forming wiring or an electrode by coating a substrate with a composition comprising (A) a complex of an amine compound and a hydrogenated aluminum compound and (B) a titanium compound or a composition comprising the complex and (C) metal particles and subjecting the obtained coating film to heating and/or a light treatment. By the method, a film can be formed that uses a conductive film forming composition with which wiring and an electrode that can be suitably used for electronic devices can be formed easily and inexpensively.Type: GrantFiled: September 29, 2005Date of Patent: September 30, 2008Assignees: JSR Corporation, Sharp CorporationInventors: Michiko Yokoyama, legal representative, Naomi Shinoda, legal representative, Risa Yokoyama, legal representative, Isamu Yonekura, Takashi Satoh, Tamaki Wakasaki, Yasumasa Takeuchi, Masayuki Endo, Yasuaki Yokoyama
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Publication number: 20080070113Abstract: A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a first electrode layer, a second electrode layer, and an electrolyte layer provided between the first and second electrode layers, the electrolyte layer including electrolyte particles, wherein at least one of the first and second electrode layers includes a base member having a major surface on which a plurality of concave portions are formed and an electrode material filled in at least the concave portions, the major surface facing to the electrolyte layer.Type: ApplicationFiled: August 29, 2007Publication date: March 20, 2008Applicants: SEIKO EPSON CORPORATION, INTERNATIONAL CENTER FOR MATERIALS RESEARCHInventors: Shigeo Kondo, Yasumasa Takeuchi, Yoshiharu Ajiki
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Publication number: 20080052900Abstract: A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. A method for manufacturing a secondary battery, the secondary battery including a laminated body having a pair of electrodes and an electrolyte layer provided between the pair of electrodes, the laminated body having an end portion, and a restrictor provided so as to cover at least the end portion of the laminated body for restricting expansion of the electrolyte layer in the plane direction thereof, the method includes preparing a mold, the pair of electrodes and electrolyte particles for forming the electrolyte layer, joining the pair of electrodes and the electrolyte layer together by pressing the electrodes and the electrolyte particles within the mold to form the laminated body, and providing the restrictor so as to cover at least the end portion of the laminated body removed from the mold.Type: ApplicationFiled: August 29, 2007Publication date: March 6, 2008Applicants: SEIKO EPSON CORPORATION, INTERNATIONAL CENTER FOR MATERIALS RESEARCHInventors: Shigeo Kondo, Yasumasa Takeuchi
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Publication number: 20080057390Abstract: A secondary battery that can avoid reduction in battery capacity over the lapse of charge-discharge cycles and can exhibit high performance is provided. The secondary battery includes a laminated body having a pair of electrodes and an electrolyte layer provided between the pair of electrodes, the electrolyte layer including electrolyte particles, the laminated body having an end portion, and a restrictor provided so as to cover at least the end portion of the laminated body for restricting expansion of the electrolyte layer in the plane direction thereof.Type: ApplicationFiled: August 29, 2007Publication date: March 6, 2008Applicants: SEIKO EPSON CORPORATION, INTERNATIONAL CENTER FOR MATERIALS RESEARCHInventors: Shigeo Kondo, Yasumasa Takeuchi