Patents by Inventor Masahiko Miyahara
Masahiko Miyahara 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: 9379379Abstract: A cathode material for a lithium ion secondary battery is a composite grain including an oxide and a carbon material. The oxide includes, as constituent elements, Li, Si and at least one of Fe and Mn. According to a measurement by an X-ray diffraction method using Cu-K? as an X-ray source, a diffraction peak exists within a range of 2?=33±2° and a half width of the diffraction peak is 0.55° or more. A size of the grain is 1 ?m or more and 20 ?m or less.Type: GrantFiled: August 31, 2012Date of Patent: June 28, 2016Assignee: SHOEI CHEMICAL INC.Inventors: Masahiko Miyahara, Atsushi Nemoto, Hirokazu Sasaki
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Patent number: 9246172Abstract: A cathode material for a lithium ion secondary battery includes an oxide represented by a composition formula Li2-xMIIyM(Si,MB)O4, wherein MII represents a divalent element; M represents at least one element selected from the group consisting of Fe, Mn, Co and Ni; and MB represents, as an optional component, an element substituted for Si to compensate for a difference between an electric charge of [Li2]2+ and an electric change of [Li2-xMIIy]n+ as needed. In the composition formula representing the oxide, x and y are ?0.25<x?0.25 and 0<y?0.25.Type: GrantFiled: September 14, 2012Date of Patent: January 26, 2016Assignee: SHOEI CHEMICAL INC.Inventors: Hirokazu Sasaki, Atsushi Nemoto, Masahiko Miyahara
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Patent number: 9209460Abstract: A cathode material for a lithium ion secondary battery includes an oxide represented by a composition formula Li2+x(M,MA)(Si,MB)O4, wherein M represents at least one element selected from the group consisting of Fe, Mn, Co and Ni; MA and MB represent elements substituted for parts of M and Si, respectively, to compensate for an electric charge equivalent to x of Li+; and at least one of MA and MB is included. In the composition formula representing the oxide, 0<x?0.25.Type: GrantFiled: August 31, 2012Date of Patent: December 8, 2015Assignee: SHOEI CHEMICAL INC.Inventors: Atsushi Nemoto, Hirokazu Sasaki, Masahiko Miyahara
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Publication number: 20140227597Abstract: A cathode material for a lithium ion secondary battery includes an oxide represented by a composition formula Li2+x(M,MA)(Si,MB)O4, wherein M represents at least one element selected from the group consisting of Fe, Mn, Co and Ni; MA and MB represent elements substituted for parts of M and Si, respectively, to compensate for an electric charge equivalent to x of Li+; and at least one of MA and MB is included. In the composition formula representing the oxide, 0<x?0.25.Type: ApplicationFiled: August 31, 2012Publication date: August 14, 2014Applicant: SHOEI CHEMICAL INC.Inventors: Atsushi Nemoto, Hirokazu Sasaki, Masahiko Miyahara
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Publication number: 20140227596Abstract: A cathode material for a lithium ion secondary battery includes an oxide represented by a composition formula Li2-xMIIyM(Si,MB)O4, wherein MII represents a divalent element; M represents at least one element selected from the group consisting of Fe, Mn, Co and Ni; and MB represents, as an optional component, an element substituted for Si to compensate for a difference between an electric charge of [Li2]2+ and an electric change of [Li2-xMIIy]n+ as needed. In the composition formula representing the oxide, x and y are ?0.25<x?0.25 and 0<y?0.25.Type: ApplicationFiled: September 14, 2012Publication date: August 14, 2014Applicant: Shoei Chemical Inc.Inventors: Hirokazu Sasaki, Atsushi Nemoto, Masahiko Miyahara
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Publication number: 20140220446Abstract: A cathode material for a lithium ion secondary battery is a composite grain including an oxide and a carbon material. The oxide includes, as constituent elements, Li, Si and at least one of Fe and Mn. According to a measurement by an X-ray diffraction method using Cu-K? as an X-ray source, a diffraction peak exists within a range of 2?=33±2° and a half width of the diffraction peak is 0.55° or more. A size of the grain is 1 ?m or more and 20 ?m or less.Type: ApplicationFiled: August 31, 2012Publication date: August 7, 2014Applicant: Shoei Chemical Inc.Inventors: Masahiko Miyahara, Atsushi Nemoto, Hirokazu Sasaki
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Patent number: 8361203Abstract: A carbon porous body (ICY) includes a carbon skeleton containing carbon atoms, wherein the carbon skeleton includes carbon main sections and carbon linking sections mutually linking the carbon main sections; a distance D1 between adjacent carbon main sections and a distance D2 between adjacent carbon linking sections satisfy the relationship of D1<D2; the carbon main sections are arranged three-dimensionally, regularly and symmetrically; and a specific surface area of the carbon porous body is not less than 1,300 m2/g and/or the pore capacity of the carbon porous body is not less than 1.5 cm3/g.Type: GrantFiled: March 22, 2012Date of Patent: January 29, 2013Assignee: National Institute for Materials ScienceInventors: Ajayan Vinu, Katsuhiko Ariga, Masahiko Miyahara, Toshiyuki Mori
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Publication number: 20120178618Abstract: A carbon porous body (ICY) includes a carbon skeleton containing carbon atoms, wherein the carbon skeleton includes carbon main sections and carbon linking sections mutually linking the carbon main sections; a distance D1 between adjacent carbon main sections and a distance D2 between adjacent carbon linking sections satisfy the relationship of D1<D2; the carbon main sections are arranged three-dimensionally, regularly and symmetrically; and a specific surface area of the carbon porous body is not less than 1,300 m2/g and/or the pore capacity of the carbon porous body is not less than 1.5 cm3/g.Type: ApplicationFiled: March 22, 2012Publication date: July 12, 2012Applicant: NATIONAL INSTITUTE FOR MATERIALS SCIENCEInventors: Ajayan VINU, Katsuhiko ARIGA, Masahiko MIYAHARA, Toshiyuki MORI
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Publication number: 20080213557Abstract: There are provided a carbon porous body having a larger pore capacity and a larger specific surface area that can advantageously diffuse the substance it adsorbs into the inside and a method of manufacturing such a carbon porous body. The method of manufacturing a carbon porous body is characterized by comprising a step of mixing a cage-shaped silica porous body and a carbon source, a step of heating the obtained mixture and a step of removing the cage-shaped silica porous body from the reaction product. The cage-shaped silica porous body contains a silica skeleton, a plurality of pores formed by the silica skeleton and a plurality of channels also formed by the silica skeleton to mutually link the plurality of pores. The plurality of pores are arranged three-dimensionally, regularly and symmetrically, the diameter d1 of the plurality of pores and the diameter d2 of the plurality of channels satisfy the relationship of d1>d2.Type: ApplicationFiled: January 25, 2006Publication date: September 4, 2008Applicant: National Institute For Materials ScienceInventors: Ajayan Vinu, Katsuhiko Ariga, Masahiko Miyahara, Toshiyuki Mori
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Patent number: 5567874Abstract: A rotary position detector comprises an integrally molded rotor made of a synthetic resin to which a contact is fixed, a housing and a cover member on which a resistance circuit surface is formed. A contact surface and the resistance circuit surface to which the contact is attached has a cylindrical recess disposed on the same axis center as the shaft or a protrusion engaging in the recess. Alternatively, the resistance circuit surface may be provided on the rotor and the contact is provided on the cover member. A terminal contact which integrates an external contact terminal and a contact may be employed.Type: GrantFiled: April 26, 1995Date of Patent: October 22, 1996Assignee: Nippondenso Co., Ltd.Inventors: Haruhiko Suzuki, Takahiro Tamura, Masahiko Miyahara, Hiroaki Yamaguchi, Hideaki Ohuchi, Akira Kondo, Toshikazu Matsushita
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Patent number: 5270663Abstract: A liquid mixing ratio detecting apparatus is designed so that an oscillation voltage generated by an oscillation unit is applied to one of a differentiating circuit and an integrating circuit, which is constituted by a combination of a capacitor composed of a pair of opposite electrodes for detecting a mixing ratio of a mixed liquid and a resistor, and a mixing ratio detecting unit produces a signal relating to an inclination rate of one of a differential waveform signal and an integration waveform signal, which is generated by one of the differentiating circuit and the integrating circuit, respectively, thereby obtaining a signal representing the mixing ratio of the mixed liquid on the basis of the produced signal relating to the inclination rate of the waveform signal.Type: GrantFiled: July 1, 1992Date of Patent: December 14, 1993Assignees: Nippondenso Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Yoshihiko Sano, Hisataka Okado, Masahiko Miyahara, Hiroaki Nishimura, Ichiro Hosotani, Yoshiki Chujo
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Patent number: 4881414Abstract: A torque detection apparatus for measuring a torque applied between a drive shaft and an output shaft which is applicable to an electric power steering system of a motor vehicle. The torque detection apparatus is provided between the drive and output shafts and comprises first and second rotating bodies which are respectively at one end portions coupled fixedly to the drive and output shafts, the first rotating body being rotatable in accordance with rotation of the drive shaft and the second rotating body being rotatable in accordance with rotation of said output shaft. The first and second rotating bodies are shaped cylindrically and the first rotating body has on its outer circumferential surface magnetic toothed portions and the second rotating body has on its inner circumferential surface magnetic toothed portions.Type: GrantFiled: May 10, 1988Date of Patent: November 21, 1989Assignee: Nippondenso Co., Ltd.Inventors: Yousuke Setaka, Sumio Yanase, Kanji Takeuchi, Masahiko Miyahara
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Patent number: 4665740Abstract: A combustion process sensor for detecting combustion processes occurring in a combustion chamber of an engine has a generally tubular mounting casing to be screwed into a threaded hole in the combustion chamber wall and a quartz-glass rod axially extending in the mounting casing and held in position therein. The casing includes two axially aligned generally tubular members rigidly secured together at their own ends. The quartz-glass rod has a first portion remote from a sensing end thereof adapted to be exposed to combustion flame in the combustion chamber, and a second portion between the first portion and the sensing end. The first portion is secured to one of the two tubular members of the casing, while the second portion is supported from the casing only by a vibration damping material disposed in engagement with the outer peripheral surface of the quartz-glass rod and the inner peripheral surface of the casing.Type: GrantFiled: August 20, 1985Date of Patent: May 19, 1987Assignees: Nippondenso Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Hisashi Matsumoto, Yoshikazu Motogami, Masahiko Miyahara, Tokuta Inoue, Kohichi Hasegawa, Keiji Aoki, Shinji Ikeda, Mitsuo Kawai, Mamoru Kobashi, Mamoru Takata, Masaomi Nagase, Hiroyuki Hoshiba
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Patent number: 4512989Abstract: A new 1,2,4-triazole compound is now provided, which is represented by the general formula ##STR1## wherein X may be the same or different and denotes a halogen atom, a (C.sub.1 -C.sub.4)alkyl group, a (C.sub.1 -C.sub.4)alkoxyl group, a (C.sub.1 -C.sub.4)alkylthio group, a (C.sub.1 -C.sub.4) alkylsulfinyl group, a (C.sub.1 -C.sub.4)alkylsulfonyl group, a trifluoromethyl group, a nitro group or a cyano group;n is an integer of 0 to 5;R denotes a (C.sub.1 -C.sub.4)alkyl group, a (C.sub.2 -C.sub.4)alkenyl group, a (C.sub.2 -C.sub.4)alkynyl group, a (C.sub.1 -C.sub.4)alkoxy-(C.sub.1 -C.sub.4)alkyl group, a (C.sub.1 -C.sub.4)alkylthio-(C.sub.1 -C.sub.4)alkyl group, a (C.sub.3 -C.sub.6)cycloalkyl group, a (C.sub.3 -C.sub.6)cycloalkyl-(C.sub.1 -C.sub.4)alkyl group, a substituted or unsubstituted phenyl group, or a phenyl(C.sub.1 -C.sub.4)alkyl group of which the phenyl may optionally bear up to three substituents,Y denotes an oxygen atom or a sulfur atom; andZ denotes a linear or branched (C.sub.1 -C.sub.Type: GrantFiled: October 8, 1982Date of Patent: April 23, 1985Assignee: Hokko Chemical Industry Co., Ltd.Inventors: Hiroshi Ohyama, Ken Morita, Takuo Wada, Masahiko Miyahara
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Patent number: 4421761Abstract: Thiophene derivatives of the formula ##STR1## wherein X, Y and Z are as herein defined, said compounds being useful as fungicides, are described.Type: GrantFiled: January 27, 1981Date of Patent: December 20, 1983Assignees: Hokko Chemical Industry Co. Ltd., Ube Industries, Ltd.Inventors: Shigeki Nagai, Takashi Yorie, Hisao Sugiura, Toru Hibi, Katsumi Sato, Takuo Wada, Masahiko Miyahara
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Patent number: 4420486Abstract: Certain new 5,6,7-trichlorobenzoxazolone derivatives are highly active against a wide range of plant fungal and bacterial diseases and have a reduced phytotoxicity. These derivatives are also useful to control the growth of various fungi and bacteria being capable of deteriorating industrial materials.Type: GrantFiled: January 22, 1981Date of Patent: December 13, 1983Assignee: Hokko Chemical Industry Co., Ltd.Inventors: Hiroshi Ohyama, Kimiyoshi Kaneko, Hiromichi Ishikawa, Sanae Takada, Ken Morita, Takuo Wada, Masahiko Miyahara, Masazumi Arakawa
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Patent number: 4391804Abstract: A new imidazole compound is now provided, which is represented by the general formula ##STR1## wherein R.sub.1 is naphthyl group, an arylalkyl group, a cycloalkyl group, a cycloalkylalkyl group, an alkyl group, a lower alkenyl group, a lower alkoxy-lower alkyl group or a phenylthio-lower alkyl group or phenyl group or a substituted phenyl group;R.sub.2 is an unsubstituted or substituted alkyl group or an alkenyl group or an alkynyl group, naphthyl group, or an unsubstituted or substituted phenyl group;X is an oxygen atom or a sulfur atom; andY is an unsubstituted or substituted alkylene group or an unsubstituted or substituted alkenylene group. The new imidazole compound and its salt show a usefully high fungicidal activity against a wide variety of fungi which infest crop plants. The new imidazole compound and its salt may be useful as fungicidal agent of agricultural and horticultural usages.Type: GrantFiled: March 16, 1982Date of Patent: July 5, 1983Assignee: Hokko Chemical Industry Company, Ltd.Inventors: Hiroshi Ohyama, Ken Morita, Takuo Wada, Masahiko Miyahara