Patents by Inventor Ryoji Yamada
Ryoji 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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Publication number: 20240120817Abstract: A permanent magnet-type rotary electric machine includes a stator, a first rotor, and a second rotor. The stator includes a stator core, a plurality of stator teeth, a plurality of stator slots, a plurality of stator magnets, and a stator coil. The first rotor is disposed inside the stator core relative to the plurality of stator magnets. The second rotor is disposed inside the stator core relative to a plurality of first pole pieces. The second rotor includes a plurality of second pole pieces. A proportion of the number of the plurality of stator slots to the number of poles of the plurality of second pole pieces of the second rotor is greater than 1.25 and less than 1.5, or greater than 1.5 and less than 3.0.Type: ApplicationFiled: December 23, 2020Publication date: April 11, 2024Applicants: Mitsubishi Electric Corporation, OSAKA UNIVERSITYInventors: Haruyuki KOMETANI, Ryoji MIYATAKE, Takuro YAMADA, Kenji TANAKA, Katsuhiro HIRATA, Noboru NIGUCHI, Kazuaki TAKAHARA, Hironori SUZUKI, Takuya ITO
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Patent number: 8551658Abstract: To provide a process for a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and is excellent in the charge and discharge cyclic durability and low temperature characteristics. A process for producing a lithium-containing composite oxide represented by the formula LipNxMyOzFa (wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9?p?1.2, 0.95?x?2.00, 0<y?0.05, 1.9?z?4.2 and 0?a?0.Type: GrantFiled: July 25, 2007Date of Patent: October 8, 2013Assignee: AGC Seimi Chemical Co., Ltd.Inventors: Ryoji Yamada, Koji Tatsumi, Shogo Nakaoka, Kenji Ito, Kazuya Hiratsuka
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Publication number: 20110111295Abstract: To provide an anode composite for a nonaqueous electrolyte secondary cell, whereby the properties of the material constituting an electrode can be fully obtained. An anode composite for a nonaqueous electrolyte secondary cell, which comprises an electrode active material having a lithium intercalation-deintercalation potential higher by at least 0.4 V than the standard electrode potential of Li/Li+, and a binder containing a fibrillated polytetrafluoroethylene and an amorphous resin.Type: ApplicationFiled: January 12, 2011Publication date: May 12, 2011Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Ryoji YAMADA
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Publication number: 20080138907Abstract: Disclosed is an extracting solution for use in the extraction of a residual veterinary drug in livestock product or seafood. The extracting solution contains 0.05 to 1% of metaphosphoric acid and comprises a buffer solution of pH 5.5 to 7.5. The extracting solution can extract plural veterinary drugs at the same time, and can be used preferably used for the extraction when the residual veterinary drug is an antibacterial substance. By using the extracting solution, it becomes possible to extract plural veterinary drugs efficiently at the same time without impairment of stability because of its neutral pH range. Hence, the extracting solution enables to determine a residual veterinary drug in livestock product or seafood rapidly in a simple manner.Type: ApplicationFiled: December 16, 2005Publication date: June 12, 2008Applicant: Nippon Meat Packers, Inc.Inventors: Masahiko Kitayama, Masaki Kosono, Takashi Omori, Fumiki Morimatsu, Ryoji Yamada
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Publication number: 20070264573Abstract: To provide a process for a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which has a large volume capacity density and high safety, and is excellent in the charge and discharge cyclic durability and low temperature characteristics. A process for producing a lithium-containing composite oxide represented by the formula LipNxMyOzFa (wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9?p?1.2, 0.95?x?2.00, 0?y?0.05, 1.9?z?4.2 and 0?a?0.Type: ApplicationFiled: July 25, 2007Publication date: November 15, 2007Applicant: AGC Seimi Chemical Co., Ltd.Inventors: Ryoji Yamada, Koji Tatsumi, Shogo Nakaoka, Kenji Ito, Kazuya Hiratsuka
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Patent number: 7280953Abstract: A noise countermeasure determination method includes the step of obtaining an analyzing circuit judgement result by judging acceptability of the analyzing circuit based on a comparison of features of the analyzing circuit and transmission circuit topologies, and outputting an improvement proposal for making the analyzing circuit closer to one of basic types of the transmission circuit topologies depending on the analyzing circuit judgement result.Type: GrantFiled: June 18, 2001Date of Patent: October 9, 2007Assignee: Fujitsu LimitedInventors: Shogo Fujimori, Yasuhiro Yamashita, Ryoji Yamada, Masaki Tosaka, Kazuhiko Tokuda, Jiro Yoneda, Makoto Suwada, Tatsuo Koizumi
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Patent number: 7065480Abstract: A noise countermeasure determination method includes the steps of calculating recommended circuit information considered to minimize a noise by use of at least one formula, based on input circuit information amounting to at least one net of a target circuit which is to be subjected to a noise analysis, and comparing the input circuit information and the recommended circuit information, and determining a differing portion of the recommended circuit information differing from the input circuit information, as noise countermeasures.Type: GrantFiled: December 29, 2000Date of Patent: June 20, 2006Assignee: Fujitsu LimitedInventors: Shogo Fujimori, Yasuhiro Yamashita, Ryoji Yamada, Masaki Tosaka, Kazuhiko Tokuda, Jiro Yoneda, Makoto Suwada, Tatsuo Koizumi
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Patent number: 6662132Abstract: A noise analyzing method analyzes a crosstalk noise based on circuit data in which buses having the same signal transmitting direction and buses having opposite signal transmitting directions are distinguished from each other, by analyzing the crosstalk noise only for the same signal transmitting direction with respect to the buses having the same signal transmitting direction.Type: GrantFiled: December 11, 2000Date of Patent: December 9, 2003Assignee: Fujitsu LimitedInventors: Yasuhiro Yamashita, Shogo Fujimori, Ryoji Yamada, Kazuhiko Tokuda, Makoto Suwada, Masaki Tosaka, Jiro Yoneda, Yoshiyuki Iwakura, Kazunari Gotou
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Publication number: 20020007253Abstract: A noise analyzing method analyzes a crosstalk noise based on circuit data in which buses having the same signal transmitting direction and buses having opposite signal transmitting directions are distinguished from each other, by analyzing the crosstalk noise only for the same signal transmitting direction with respect to the buses having the same signal transmitting direction.Type: ApplicationFiled: December 11, 2000Publication date: January 17, 2002Inventors: Yasuhiro Yamashita, Shogo Fujimori, Ryoji Yamada, Kazuhiko Tokuda, Makoto Suwada, Masaki Tosaka, Jiro Yoneda, Yoshiyuki Iwakura, Kazunari Gotou
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Publication number: 20010044709Abstract: A noise countermeasure determination method includes the step of obtaining an analyzing circuit judgement result by judging acceptability of the analyzing circuit based on a comparison of features of the analyzing circuit and transmission circuit topologies, and outputting an improvement proposal for making the analyzing circuit closer to one of basic types of the transmission circuit topologies depending on the analyzing circuit judgement result.Type: ApplicationFiled: June 18, 2001Publication date: November 22, 2001Applicant: FUJITSU LIMITEDInventors: Shogo Fujimori, Yasuhiro Yamashita, Ryoji Yamada, Masaki Tosaka, Kazuhiko Tokuda, Jiro Yoneda, Makoto Suwada, Tatsuo Koizumi
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Publication number: 20010041970Abstract: A noise countermeasure determination method includes the steps of calculating recommended circuit information considered to minimize a noise by use of at least one formula, based on input circuit information amounting to at least one net of a target circuit which is to be subjected to a noise analysis, and comparing the input circuit information and the recommended circuit information, and determining a differing portion of the recommended circuit information differing from the input circuit information, as noise countermeasures.Type: ApplicationFiled: December 29, 2000Publication date: November 15, 2001Inventors: Shogo Fujimori, Yasuhiro Yamashita, Ryoji Yamada, Masaki Tosaka, Kazuhiko Tokuda, Jiro Yoneda, Makoto Suwada, Tatsuo Koizumi
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Patent number: 6054110Abstract: A mixture of a cobalt compound and a lithium compound is calcined at a temperature of 250.degree. C. to 1,000.degree. C., where said cobalt compound has a cobalt content of 68.5.+-.6% by weight, its composition is substantially represented by a formula H.sub.x CoO.sub.y provided that 0.ltoreq.x.ltoreq.1.4 and 1.3.ltoreq.y.ltoreq.2.2, the half value width of a diffraction peak showing a maximum intensity in the neighborhood of 2.theta.=36-40 degrees in X-ray diffraction using CuK.alpha. as a radiation source is greater than 0.31 degrees, and the relation between the cobalt content and the half value width is represented by the following formula:Half value width (degrees).gtoreq.7.5-0.1.times.(Cobalt content) (% by weight). This provides an inexpensive and simple process for producing a lithium-cobalt composite oxide having uniform crystals, and a high-performance electrode active material for use in lithium secondary cells in high capacity and excellent in the charging-discharging cycle characteristics.Type: GrantFiled: July 7, 1998Date of Patent: April 25, 2000Assignee: Ise Kagaku Kogyo Kabushiki Kaisha Tokyo-toInventors: Ryoji Yamada, Kenji Hashimoto, Shinichiro Ban
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Patent number: 5897958Abstract: A modified titanium oxide sol obtained by treating an aqueous titanium oxide sol with a compound having a phase transfer activity.Type: GrantFiled: October 23, 1996Date of Patent: April 27, 1999Assignee: Asahi Glass Company Ltd.Inventors: Ryoji Yamada, Iwakichi Sugiyama, Hiroshi Suzuki
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Patent number: 5867810Abstract: A wiring device and wiring method suitable for designing LSIs or printed boards or the like. The wiring device includes a wiring pattern editing unit for editing wiring patterns; a noise analyzing unit for analyzing a noise occurring when a circuit is operated according to the wiring patterns edited by the wiring editing unit; and a noise occurring spot specifying unit for specifying a spot when noise occurs in the wiring pattern, based on the solution analyzed by the noise analyzing unit and the wiring pattern edited in the wiring pattern editing unit The man-hours of an operator can be reduced by interlocking the crosstalk noise analysis with the wiring pattern editing function and then by reducing the number of man-hours needed to correct a wiring pattern by an operator.Type: GrantFiled: October 29, 1996Date of Patent: February 2, 1999Assignee: Fujitsu LimitedInventors: Hiroshi Miura, Yasuhiro Yamashita, Kazuyuki Iida, Ryoji Yamada, Yumiko Katsuyama
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Patent number: 5642286Abstract: A wiring CAD apparatus wherein a situation of a noticed event can be identified at a moment on a screen. The wiring CAD apparatus comprises a searching timing detection section for detecting a new displaying processing/deletion processing timing as a searching timing for a non-wired pin, a non-wired pin searching section operable in response to the searching timing detected by said searching timing detection section for searching the non-wired pin, and a display data production section for producing display data in accordance with which the non-wired pin searched out by said non-wired pin searching section is to be displayed on a display section in a visually distinguishable condition from another already wired part pin. The display data produced by said display data production section is displayed on the display section under the control of a displaying control section.Type: GrantFiled: June 30, 1995Date of Patent: June 24, 1997Assignee: Fujitsu LimitedInventors: Ryoji Yamada, Masaharu Nishimura, Yasuhiro Yamashita, Kazuyuki Iida
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Patent number: 5100731Abstract: A reaction curable composition comprising, as reactive materials, a polyisocyanate component comprising a diisocyanate and a tri or higher functional polyisocyanate and having an average equivalent molecular weight of from 120 to 240, and a polyol component comprising a diol and a tri or higher functional polyol and having an average equivalent molecular weight of from 100 to 550.Type: GrantFiled: December 17, 1990Date of Patent: March 31, 1992Assignee: Asahi Glass Company Ltd.Inventors: Ryoji Yamada, Hiroyuki Watanabe, Kazuhiko Kuga
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Patent number: 4997901Abstract: A reaction curable composition comprising, as reactive materials, a polyisocyanate component comprising a diisocyanate and a tri or higher functional polyisocyanate and having an average equivalent molecular weight of from 120 to 240, and a polyol component comprising a diol and a tri or higher functional polyol and having an average equivalent molecular weight of from 100 to 550.Type: GrantFiled: March 15, 1988Date of Patent: March 5, 1991Assignee: Asahi Glass Company, Ltd.Inventors: Ryoji Yamada, Hiroyuki Watanabe, Kazuhiko Kuga
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Patent number: 4983264Abstract: A cation exchange fluoropolymer membrane comprising at least three integrally laminated layers including a main layer made of a perfluorocarbon polymer having carboxylic acid groups as its ion exchange groups with an ion exchange capacity of from 1.4 to 2.0 meq/g dry resin and having a thickness of from 50 to 250 .mu.m, a sulfonic acid film surface layer formed on one side of said main layer, made of a perfluorocarbon polymer having sulfonic acid groups as its ion exchange groups with an ion exchange capacity of from 0.5 to 1.5 meq/g dry resin and having a thickness of from 5 to 50 m, and a carboxylic acid film surface layer formed on the other side of said main layer, made of a perfluorcarbon polymer having carboxylic acid groups as its ion exchange groups with an ion exchange capacity of from 0.5 to 1.3 meq/g dry resin and having a thickness of from 5 to 50 .mu.m, said sulfonic acid film surface layer and carboxylic acid film surface layer constituting the outer-most layers, respectively.Type: GrantFiled: March 28, 1988Date of Patent: January 8, 1991Assignee: Asahi Glass Company Ltd.Inventors: Haruhisa Miyake, Hiroaki Ito, Koji Suzuki, Ryoji Yamada
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Patent number: 4586992Abstract: A process for producing potassium hydroxide by electrolysis of potassium chloride in an electrolytic cell comprising an anode compartment and a cathode compartment partitioned by a cation exchange membrane, which process comprises supplying potassium chloride to the anode compartment for the electrolysis to form potassium hydroxide in the cathode compartment, characterized in that said cation exchange membrane is a multi-layer membrane comprising at least two layers including a main layer made of a perfluorocarbon polymer having carboxylic acid groups as its ion exchange groups with an ion exchange capacity of from 0.9 to 1.6 meq/g dry resin and having a thickness of from 80 to 300 .mu.m and a sulfonic acid film surface layer on the anode compartment side, made of a perfluorocarbon polymer having sulfonic acid groups as its ion exchange groups with an ion exchange capacity of from 0.5 to 1.5 meq/g dry resin and having a thickness of from 5 to 50 .mu.m.Type: GrantFiled: May 14, 1985Date of Patent: May 6, 1986Assignee: Asahi Glass Company, Ltd.Inventors: Haruhisa Miyake, Hiroaki Ito, Koji Suzuki, Ryoji Yamada