Patents by Inventor Takeshi Hattori
Takeshi Hattori 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: 9007051Abstract: An electric current detection circuit for detecting an electric current flowing to a load includes a voltage generation circuit, a plurality of comparators, and a reference voltage shift circuit. The voltage generation circuit includes a plurality of resistors coupled in series and generates different voltages by dividing a reference voltage with the resistors. The comparators determine a current level of the electric current flowing to the load using the voltages generated by the voltage generation circuit as threshold values. The reference voltage shift circuit shifts the reference voltage. The electric current flowing to the load is detected based on the current level determined by the plurality of comparators before shifting the reference voltage and the current level determined by the plurality of comparators after shifting the reference voltage.Type: GrantFiled: August 7, 2012Date of Patent: April 14, 2015Assignee: Anden Co., Ltd.Inventors: Takeshi Hattori, Kazunori Ozawa, Fukuo Ishikawa, Nobutomo Takagi
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Patent number: 8916268Abstract: An iron powder for dust cores is provided which can be formed into a dust core having a high resistivity and having a low iron loss without degrading the mechanical strength. The iron powder for dust cores includes an iron powder and an oxide film on the surface thereof, wherein the oxide film is composed of a Si-based oxide in which the ratio of Si to Fe satisfies Si/Fe?0.8 on an atomic number basis.Type: GrantFiled: December 11, 2008Date of Patent: December 23, 2014Assignees: JFE Steel Corporation, Toyota Jidosha Kabushiki KaishaInventors: Takashi Kawano, Noriko Makiishi, Tatsuhiko Hiratani, Naomichi Nakamura, Yusuke Oishi, Eisuke Hoshina, Toshiya Yamaguchi, Daisuke Okamoto, Takeshi Hattori
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Patent number: 8895170Abstract: A battery holder is equipped with a support unit having a battery holding hole, and a holder unit interposed between the battery holding hole and the battery. The holder unit has a first spacer and a second spacer. The first spacer has a support part that supports the battery in the support unit. The second spacer is formed using a material with a lower melting point than the melting point of the material of the first spacer, this is inserted in the heat shielding space, and when the second spacer is melted by heat and flows out from the heat shielding space, the constitution is such that the heat shielding space shifts the heat insulation space.Type: GrantFiled: March 6, 2013Date of Patent: November 25, 2014Assignees: Toyoda Gosei Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Kosuke Kusaba, Yasunori Uchida, Shinichi Takeda, Takeshi Hattori, Kenji Kimura
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Patent number: 8795894Abstract: Disclosed are a positive electrode active material and a method for producing an olivine-type phosphate. The positive electrode active material comprises an olivine-type phosphate represented by the following formula (I), wherein the maximum peak in an X-ray diffraction pattern obtained using a CuK? ray is the peak of the (031) plane of the olivine-type phosphate and the half-value width of the peak is 1.5° or less: AaMbPO4 (I), wherein A represents one or more elements selected from among alkali metals; M represents one or more elements selected from among transition metals; a is from 0.5 to 1.5; and b is from 0.5 to 1.5. The method for producing an olivine-type phosphate comprises preparing a raw material comprising element A, element M, and phosphorus (P) so that a A:M:P molar ratio may be a:b:1, preliminary calcining the raw material, and mainly calcining the preliminary calcined raw material.Type: GrantFiled: January 23, 2009Date of Patent: August 5, 2014Assignee: Sumitomo Chemical Company, LimitedInventors: Maiko Sakai, Taketsugu Yamamoto, Masami Makidera, Satoru Kuze, Takeshi Hattori
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Patent number: 8653740Abstract: A switch device controls a voltage applied to a load element according to an electric power supply from a power source. A driver circuit controls activation and deactivation of the switch device. A circuit portion sets a duty ratio and output the duty ratio to the driver circuit for causing the driver circuit to activate the switch device according to the duty ratio to control a voltage applied to the load element. The circuit portion sets the duty ratio according to a duty ratio characteristic curve. In the duty ratio characteristic curve, the duty ratio decreases gradually with increase in a voltage of the power source, and decrease in the duty ratio with increase in the voltage of the power source becomes small gradually.Type: GrantFiled: October 27, 2010Date of Patent: February 18, 2014Assignee: Anden Co., Ltd.Inventors: Takeshi Hattori, Shigekazu Sugimoto, Nobutomo Takagi
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Publication number: 20130236759Abstract: A battery holder is equipped with a support unit having a battery holding hole, and a holder unit interposed between the battery holding hole and the battery. The holder unit has a first spacer and a second spacer. The first spacer has a support part that supports the battery in the support unit. The second spacer is formed using a material with a lower melting point than the melting point of the material of the first spacer, this is inserted in the heat shielding space, and when the second spacer is melted by heat and flows out from the heat shielding space, the constitution is such that the heat shielding space shifts the heat insulation space.Type: ApplicationFiled: March 6, 2013Publication date: September 12, 2013Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTD.Inventors: Kosuke KUSABA, Yasunori UCHIDA, Shinichi TAKEDA, Takeshi HATTORI, Kenji KIMURA
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Publication number: 20130192985Abstract: An electrode catalyst, including: a metal compound which contains an oxygen atom and at least one metal element selected from a group consisting of Group 4 elements and Group 5 elements in the long-form periodic table, and a carbonaceous material which covers at least part of the metal compound; wherein an oxygen deficiency index, which is represented as an inverse number of a peak value of a first nearest neighbor element in a radial distribution function obtained by Fourier-transforming an EXAFS oscillation in EXAFS measurement of the metal element, is 0.125 to 0.170; and a crystallinity index, which is represented as a peak value of a second nearest neighbor element in the radial distribution function, is 4.5 to 8.0.Type: ApplicationFiled: July 6, 2011Publication date: August 1, 2013Applicants: NEC CORPORATION, SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Takeshi Hattori, Yutaka Ito, Hajime Maki, Hideto Imai, Kenichiro Ota
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Publication number: 20130147081Abstract: The invention includes: powder preparation step of obtaining magnetic core powders by mixing, of magnetic powders with thermosetting resin powders in hot state; powder filling step of filling the obtained magnetic core powders into a die; a compaction step of compacting magnetic core powders; and compact heating step of heating, compacts to the elevated temperature state at which the thermosetting resin hardens after compaction.Type: ApplicationFiled: July 20, 2011Publication date: June 13, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Junghwan Hwang, Takeshi Hattori, Masaki Hirano, Masaki Sugiyama, Yusuke Oishi, Daisuke Okamoto, Hidenari Yamamoto
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Publication number: 20130049737Abstract: An electric current detection circuit for detecting an electric current flowing to a load includes a voltage generation circuit, a plurality of comparators, and a reference voltage shift circuit. The voltage generation circuit includes a plurality of resistors coupled in series and generates different voltages by dividing a reference voltage with the resistors. The comparators determine a current level of the electric current flowing to the load using the voltages generated by the voltage generation circuit as threshold values. The reference voltage shift circuit shifts the reference voltage. The electric current flowing to the load is detected based on the current level determined by the plurality of comparators before shifting the reference voltage and the current level determined by the plurality of comparators after shifting the reference voltage.Type: ApplicationFiled: August 7, 2012Publication date: February 28, 2013Applicant: ANDEN CO., LTD.Inventors: Takeshi HATTORI, Kazunori OZAWA, Fukuo ISHIKAWA, Nobutomo TAKAGI
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Publication number: 20120240845Abstract: Disclosed is a novel method wherein an aluminum nitride single crystal having good crystallinity is efficiently and easily manufactured. The method for produsing an aluminum nitride single crystal wherein nitrogen gas is circulated in the presence of a raw material gas generation source, which generates an aluminum gas or an aluminum oxide gas, and a carbon body, and then the aluminum nitride single crystal is grown under a heating condition; characterized in that, at least a part of the carbon body does not directly contact with the raw material gas generation source, at least a part of the raw material gas generation source does not directly contact with the carbon body, the raw material gas generation source and the carbon body are positioned to make a space in which a clearance between the raw material gas generation source, which does not contact with the carbon body, and the carbon body, which does not contact with the raw material gas generation source, is 0.Type: ApplicationFiled: November 29, 2010Publication date: September 27, 2012Applicants: Tohoku University, Tokuyama CorporationInventors: Hiroyuki Fukuyama, Masanobu Azuma, Kazuya Takada, Takeshi Hattori
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Patent number: 8211337Abstract: The present invention relates to a material for making a transparent conductive film, and a transparent conductive film. The material for making the transparent conductive film is composed of a mixed metal oxide comprising Zn, Sn, O, and at least one doping element selected from the group consisting of Sc, Bi, Cu, Y, La, Ag, and Au.Type: GrantFiled: March 14, 2008Date of Patent: July 3, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Akira Hasegawa, Takeshi Hattori, Yuzo Shigesato
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Publication number: 20120094825Abstract: A method for producing an electrode catalyst, comprising a step of calcining a precursor of the electrode catalyst under conditions under which a second material defined below can change into a carbonaceous material, the precursor having been obtained by continuously hydrothermally reacting a mixture containing a first material defined below and the second material defined below in the presence of supercritical or subcritical water, wherein the first material is defined to be a metal compound composed of one or more metal elements selected from the group consisting of the elements of Group 4A and the elements of Group 5A group and one or more non-metal elements selected from the group consisting of hydrogen, nitrogen, chlorine, carbon, boron, sulfur, and oxygen, and the second material is defined to be a precursor of a carbonaceous material.Type: ApplicationFiled: June 16, 2010Publication date: April 19, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Takeshi Hattori, Yutaka Ito, Hajime Maki, Kenichiro Ota
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Patent number: 8119232Abstract: The present invention provides a flake compound which is useful for a conductive film. The flake compound comprises a conductive layer containing M and O, wherein M represents at least one metal element, preferably at least one transition metal element in mixed valent state.Type: GrantFiled: February 14, 2008Date of Patent: February 21, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Kazuo Sadaoka, Takeshi Hattori
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Publication number: 20120028792Abstract: A method for producing an electrode catalyst, comprising a step of calcining a precursor of the electrode catalyst under conditions under which a second material defined below can change into a carbonaceous material, the precursor having been obtained by hydrothermally reacting a mixture containing a first material defined below and the second material defined below in the presence of supercritical or subcritical water, or the precursor having been obtained by mixing a reaction product having been obtained by hydrothermally reacting a first material defined below in the presence of supercritical or subcritical water and the second material defined below, wherein the first material is defined to be a metal compound composed of one or more metal elements selected from the group consisting of the elements of Group 4A and the elements of Group 5A and one or more non-metal elements selected from the group consisting of hydrogen, nitrogen, chlorine, carbon, boron, sulfur, and oxygen, and the second material is dType: ApplicationFiled: March 23, 2010Publication date: February 2, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Takeshi Hattori, Yutaka Ito, Hajime Maki
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Publication number: 20120012777Abstract: A powder for dust core including a soft magnetic metal powder and a silicon impregnated layer made of silicon concentrated in a surface layer of the soft magnetic metal powder, in which a silicon dioxide powder is diffusion-bonded to a surface of the silicon impregnated layer to form a diffusion-bonded part while a part of the silicon dioxide powder is impregnated and diffused in the silicon impregnated layer and the other part of the same protrudes from the surface of the silicon impregnated layer. The diffusion-bonded part creates a gap with respect to another powder for dust core, thereby providing increased specific resistance.Type: ApplicationFiled: September 21, 2010Publication date: January 19, 2012Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaki Sugiyama, Toshiya Yamaguchi, Shota Ohira, Takeshi Hattori, Yusuke Oishi
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Publication number: 20110101886Abstract: A switch device controls a voltage applied to a load element according to an electric power supply from a power source. A driver circuit controls activation and deactivation of the switch device. A circuit portion sets a duty ratio and output the duty ratio to the driver circuit for causing the driver circuit to activate the switch device according to the duty ratio to control a voltage applied to the load element. The circuit portion sets the duty ratio according to a duty ratio characteristic curve. In the duty ratio characteristic curve, the duty ratio decreases gradually with increase in a voltage of the power source, and decrease in the duty ratio with increase in the voltage of the power source becomes small gradually.Type: ApplicationFiled: October 27, 2010Publication date: May 5, 2011Applicant: ANDEN CO., LTD.Inventors: Takeshi HATTORI, Shigekazu Sugimoto, Nobutomo Takagi
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Patent number: 7875155Abstract: The present invention provides a transparent electrically conductive film and a method for producing the same. The transparent electrically conductive film comprises Zn, Sn and O, wherein the molar ratio Zn/(Zn+Sn) of Zn to the sum of Zn and Sn is 0.41 to 0.55, and is amorphous.Type: GrantFiled: March 15, 2007Date of Patent: January 25, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Takeshi Hattori, Akira Hasegawa, Yuzo Shigesato
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Publication number: 20110008677Abstract: Disclosed are an electrode and a battery comprising the electrode. The electrode comprises a nano composite comprising nano particles capable of being oxidized and reduced and a carbonaceous material covering the nano particles.Type: ApplicationFiled: March 18, 2009Publication date: January 13, 2011Inventors: Kenji Nakane, Takeshi Hattori, Taketsugu Yamamoto
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Publication number: 20100323231Abstract: Disclosed are a positive electrode active material and a method for producing an olivine-type phosphate. The positive electrode active material comprises an olivine-type phosphate represented by the following formula (I), wherein the maximum peak in an X-ray diffraction pattern obtained using a CuK? ray is the peak of the (031) plane of the olivine-type phosphate and the half-value width of the peak is 1.5° or less: AaMbPO4 (I), wherein A represents one or more elements selected from among alkali metals; M represents one or more elements selected from among transition metals; a is from 0.5 to 1.5; and b is from 0.5 to 1.5. The method for producing an olivine-type phosphate comprises preparing a raw material comprising element A, element M, and phosphorus (P) so that a A:M:P molar ratio may be a:b:1, preliminary calcining the raw material, and mainly calcining the preliminary calcined raw material.Type: ApplicationFiled: January 23, 2009Publication date: December 23, 2010Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Maiko Sakai, Taketsugu Yamamoto, Masami Makidera, Satoru Kuze, Takeshi Hattori
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Patent number: 7810280Abstract: The force from a drive rod driven by an electric motor is transmitted via a link arm pivotally linked to the drive rod and a back door. When the back door is operated in an open direction, the link arm is supported by an open-side support slider and the acting direction of the force applied to the link arm by the drive rod is shifted to the opening direction of the back door. When the back door is operated in a closing direction, the link arm is supported by a closed-side support slider and a closed-side support roller and the acting direction of the force applied to the link arm by the drive rod is shifted to the closing-direction of the back door. The open-side and closed-side support sliders are pressed against the link arm by leaf spring members so that the link arm is prevented from oscillating between the sliders.Type: GrantFiled: February 15, 2005Date of Patent: October 12, 2010Assignees: Honda Motor Co., Ltd., Mitsui Mining and Smelting Co., Ltd., Mitsuba CorporationInventors: Takeshi Hattori, Ryoji Araki, Osamu Sera, Masashi Shimizu, Yasushi Yoshida