Patents by Inventor Morinobu Endo
Morinobu Endo 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: 8329293Abstract: A carbon fiber composite material having an elastomer and vapor-grown carbon fibers dispersed in the elastomer. The vapor-grown carbon fibers are rigid fibers having an average diameter of 20 to 200 nm, an average length of 5 to 20 micrometers, and an average value of bending indices defined by the following expression (1) of 5 to 15, Bending index=Lx÷D??(1) Lx: length of linear portion of the vapor-grown carbon fiber, and D: diameter of the vapor-grown carbon fiber. The carbon fiber composite material has a dynamic modulus of elasticity (E?) at 150° C. of 30 MPa or more and an elongation at break (EB) of 140% or more.Type: GrantFiled: April 20, 2007Date of Patent: December 11, 2012Assignee: Nissin Kogyo Co., Ltd.Inventors: Toru Noguchi, Akira Magario, Morinobu Endo
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Publication number: 20120034463Abstract: A method of producing a carbon material which is mainly composed of graphene-containing carbon particles is provided. The method includes a step of producing carbon particles from an organic material by maintaining a mixture containing the organic substance as a starting material, hydrogen peroxide and water under conditions of a temperature of 300° C. to 1000° C. and a pressure of 22 MPa or more. The method further includes a step of heat-treating the carbon particles at a higher temperature than the temperature maintained in the carbon particle producing step. The carbon material produced by the present method has a structure in which substances such as ions can easily enter and leave the graphene structures of the carbon particles, making the carbon material be useful as active materials of secondary batteries and electric double layer capacitors.Type: ApplicationFiled: April 22, 2010Publication date: February 9, 2012Inventors: Morinobu Endo, Yong Jung Kim, Akira Tsujiko
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Publication number: 20110156357Abstract: A dynamic seal member includes a ternary fluoroelastomer (FKM) and carbon nanofibers. The carbon nanofibers are carbon nanofibers having an average diameter of 10 to 20 nm, or carbon nanofibers having an average diameter of 60 to 110 nm and subjected to a low-temperature heat treatment. The carbon nanofibers having an average diameter of 60 to 110 nm and subjected to the low-temperature heat treatment have a ratio (D/G) of a peak intensity D at around 1300 cm?1 to a peak intensity G at around 1600 cm?1 measured by Raman scattering spectroscopy of more than 0.9 and less than 1.6. The dynamic seal member has a number of cycles to fracture of 10 or more when subjected to a tension fatigue test at a temperature of 200° C., a maximum tensile stress of 2.5 N/mm, and a frequency of 1 Hz. The dynamic seal member exhibits excellent heat resistance and abrasion resistance.Type: ApplicationFiled: December 28, 2009Publication date: June 30, 2011Applicants: NISSIN KOGYO CO., LTD., SCHLUMBERGER TECHNOLOGY CORPORATION, SHINSHU UNIVERSITY, MEFS KABUSHIKI KAISHAInventors: Toru NOGUCHI, Hiroyuki UEKI, Shigeki INUKAI, Masaei ITO, Raghu MADHAVAN, Morinobu ENDO, Satoshi IINOU
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Publication number: 20110156355Abstract: A seal member includes a hydrogenated acrylonitrile-butadiene rubber (HNBR) and carbon nanofibers. The seal member has a number of cycles to fracture of 7000 or more when subjected to a tensile fatigue test at a temperature of 70° C., a maximum tensile stress of 4 N/mm, and a frequency of 1 Hz. The seal member exhibits excellent abrasion resistance.Type: ApplicationFiled: December 28, 2009Publication date: June 30, 2011Applicants: NISSIN KOGYO CO., LTD, SCHLUMBERGER TECHNOLOGY CORPORATION, SHINSHU UNIVERSITY, MEFS KABUSHIKI KAISHAInventors: Toru NOGUCHI, Hiroyuki UEKI, Shigeki INUKAI, Masaei ITO, Raghu MADHAVAN, Morinobu ENDO, Satoshi IINOU
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Publication number: 20110156356Abstract: The seal member includes a tetrafluoroethylene-propylene copolymer (FEPM) and carbon nanofibers. The seal member has a number of cycles to fracture of 10 or more when subjected to a tension fatigue test at a temperature of 150° C., a maximum tensile stress of 2 N/mm, and a frequency of 1 Hz. The seal member exhibits excellent heat resistance and abrasion resistance.Type: ApplicationFiled: December 28, 2009Publication date: June 30, 2011Applicants: NISSIN KOGYO CO., LTD., SCHLUMBERGER TECHNOLOGY CORPORATION, SHINSHU UNIVERSITY, MEFS KABUSHIKI KAISHAInventors: Toru NOGUCHI, Hiroyuki UEKI, Shigeki INUKAI, Masaei ITO, Raghu MADHAVAN, Morinobu ENDO, Satoshi IINOU
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Publication number: 20110086976Abstract: The present invention relates to sliding parts, precision parts and timepieces and electronic equipment using those parts. Sliding parts are composed by a resin in which the degree of orientation of a fibrous filler is higher at the portion serving as the sliding surface than inside the sliding part, and the fibrous filler is oriented along the sliding surface on the sliding surface. Alternatively, precision parts are composed by a resin to which has been added carbon fibers for which a carbon compound is thermally decomposed to carbon in the vapor phase and simultaneously grown directly into fibers simultaneous to this thermal decomposition. Moreover, timepieces and electronic equipment are composed by these sliding parts or these precision parts.Type: ApplicationFiled: December 6, 2010Publication date: April 14, 2011Applicants: KITAGAWA INDUSTRIES CO., LTD., SEIKO INSTRUMENTS INC.Inventors: Morinobu ENDO, Tetsuo UCHIYAMA, Akio YAMAGUCHI, Teruaki YUOKA, Hiroshi AOYAMA, Kazutoshi TAKEDA, Yoshifumi MAEHARA, Masato TAKENAKA, Koichiro JUJO, Shigeo SUZUKI, Takeshi TOKORO
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Publication number: 20100149018Abstract: The disclosed is an electromagnetic wave absorber which is characterized in that ultrathin carbon fibers which show a negative magneto-resistance are contained in the matrix, at a ratio of 0.01-20% by weight based on the total weight. By using a loss material which shows a high electromagnetic waves absorption capability at a small amount, the electromagnetic wave absorber which demonstrates a strong electromagnetic radiation absorption capability without deteriorating the characteristics of the matrix. In addition, this electromagnetic wave absorber has a good formability while being made of a low cost composite material, and is useful as electromagnetic wave absorber for GHz band.Type: ApplicationFiled: February 28, 2006Publication date: June 17, 2010Applicant: BUSSAN NANOTECH RESEARCH INSTITUTE INC.Inventors: Kazunori Umishita, Morinobu Endo, Tsuyoshi Okubo
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Publication number: 20100009183Abstract: A carbon fiber composite material having an elastomer and vapor-grown carbon fibers dispersed in the elastomer. The vapor-grown carbon fibers are rigid fibers having an average diameter of 20 to 200 nm, an average length of 5 to 20 micrometers, and an average value of bending indices defined by the following expression (1) of 5 to 15, Bending index=Lx÷D??(1) Lx: length of linear portion of the vapor-grown carbon fiber, and D: diameter of the vapor-grown carbon fiber. The carbon fiber composite material has a dynamic modulus of elasticity (E?) at 150° C. of 30 MPa or more and an elongation at break (EB) of 140% or more.Type: ApplicationFiled: April 20, 2007Publication date: January 14, 2010Applicant: NISSIN KOGYO CO., LTD.Inventors: Toru Noguchi, Akira Magario, Morinobu Endo
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Publication number: 20090286064Abstract: The present invention relates to sliding parts, precision parts and timepieces and electronic equipment using those parts. Sliding parts are composed by a resin in which the degree of orientation of a fibrous filler is higher at the portion serving as the sliding surface than inside the sliding part, and the fibrous filler is oriented along the sliding surface on the sliding surface. Alternatively, precision parts are composed by a resin to which has been added carbon fibers for which a carbon compound is thermally decomposed to carbon in the vapor phase and simultaneously grown directly into fibers simultaneous to this thermal decomposition. Moreover, timepieces and electronic equipment are composed by these sliding parts or these precision parts.Type: ApplicationFiled: July 30, 2009Publication date: November 19, 2009Applicants: KITAGAWA INDUSTRIES CO., LTD., SEIKO INSTRUMENTS INC.Inventors: Morinobu ENDO, Tetsuo UCHIYAMA, Akio YAMAGUCHI, Teruaki YUOKA, Hiroshi AOYAMA, Kazutoshi TAKEDA, Yoshifumi MAEHARA, Masato Takenaka, Koichiro Jujo, Shigeo Suzuki, Takeshi Tokoro
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Publication number: 20090226361Abstract: The nanoribbon structure includes a plurality of thin graphite ribbons having long and highly crystalline structure. A voltage is applied across the length of the thin graphite ribbons to cause current flow so as to increase crystallinity as well as establishing interplanar stacking order and well-defined graphene edges of the thin graphite ribbons.Type: ApplicationFiled: March 5, 2008Publication date: September 10, 2009Inventors: Jessica Campos-Delgado, Mildred S. Dresselhaus, Morinobu Endo, Edgar E. Gracia-Espino, Xiaoting Jia, Jose Manuel Romo-Herrera, Humberto Terrones, Mauricio Terrones
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Patent number: 7575800Abstract: The present invention relates to sliding parts, precision parts and timepieces and electronic equipment using those parts. Sliding parts are composed by a resin in which the degree of orientation of a fibrous filler is higher at the portion serving as the sliding surface than inside the sliding part, and the fibrous filler is oriented along the sliding surface on the sliding surface. Alternatively, precision parts are composed by a resin to which has been added carbon fibers for which a carbon compound is thermally decomposed to carbon in the vapor phase and simultaneously grown directly into fibers simultaneous to this thermal decomposition. Moreover, timepieces and electronic equipment are composed by these sliding parts or these precision parts.Type: GrantFiled: October 31, 2002Date of Patent: August 18, 2009Assignees: Kitagawa Industries Co., Ltd., Seiko Instruments Inc.Inventors: Morinobu Endo, Tetsuo Uchiyama, Akio Yamaguchi, Teruaki Yuoka, Hiroshi Aoyama, Kazutoshi Takeda, Yoshifumi Maehara, Masato Takenaka, Koichiro Jujo, Shigeo Suzuki, Takeshi Tokoro
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Publication number: 20080167417Abstract: A method of producing a carbon fiber composite resin material including (a) a first mixing step, (b) a second mixing step, and (c) a step of curing a second mixture. In the first mixing step (a), an epoxy resin is mixed with an epoxidized elastomer to obtain a first mixture. In the second mixing step (b), vapor-grown carbon fibers having an average diameter of 20 to 200 nm and an average length of 5 to 20 micrometers are mixed with the first mixture to obtain a second mixture in which the vapor-grown carbon fibers are dispersed. In the step (c) of curing the second mixture, the second mixture is cured to obtain a highly rigid carbon fiber composite resin material.Type: ApplicationFiled: April 20, 2007Publication date: July 10, 2008Applicant: NISSIN KOGYO CO., LTD.Inventors: Toru Noguchi, Akira Magario, Morinobu Endo
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Publication number: 20070293848Abstract: The present invention provides a medical instrument with use of a composite material, which has antithrombotic characteristics and biocompatibility, has a favorable strength per se and is excellent in handling properties. A part or the whole of a section of the medical instrument, which is brought into contact with blood, is made of or coated with the composite material, which has antithrombotic characteristics and in which carbon nanotubes are blended with matrix resin.Type: ApplicationFiled: December 6, 2005Publication date: December 20, 2007Inventors: Morinobu Endo, Shozo Koyama, Masao Ichinose
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Patent number: 7306879Abstract: A lithium ion secondary cell comprises a positive electrode, a negative electrode, a solid electrolyte and a fiber layer provided in an interface between the solid electrolyte and the positive electrode and/or in an interface between the solid electrolyte and the negative electrode.Type: GrantFiled: May 27, 2003Date of Patent: December 11, 2007Assignee: Kabushiki Kaisha OharaInventors: Yasushi Inda, Kazuo Ohara, Tetsuo Uchiyama, Morinobu Endo
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Publication number: 20070259270Abstract: A lithium ion secondary cell comprises a positive electrode, a negative electrode, a solid electrolyte and a fiber layer provided in an interface between the solid electrolyte and the positive electrode and/or in an interface between the solid electrolyte and the negative electrode.Type: ApplicationFiled: June 6, 2007Publication date: November 8, 2007Applicant: Kabushiki Kaisha OharaInventors: Yasushi Inda, Kazuo Ohara, Tetsuo Uchiyama, Morinobu Endo
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Patent number: 7170827Abstract: The invention relates to a timepiece which has a resin bearing section. Moreover, the invention relates to a wheel train apparatus which has a resin bearing section. The invention is constituted by the timepiece provided with a gear wheel and supporting members which support the gear wheel, the supporting members being formed from a filler containing resin. Alternatively the invention is constituted by the wheel train apparatus provided with a gear wheel and supporting members which support the gear wheel, the supporting members being formed from a filler containing resin.Type: GrantFiled: December 20, 2002Date of Patent: January 30, 2007Assignees: Kitagawa Industries Co., Ltd, Seiko Instruments, Inc.Inventors: Morinobu Endo, Tetsuo Uchiyama, Akio Yamaguchi, Yasuo Kondo, Hiroshi Aoyama, Koichiro Jujo, Kazutoshi Takeda, Masato Takenaka, Shigeo Suzuki, Takeshi Tokoro
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Patent number: 7167420Abstract: The invention relates to a timepiece which has a resin substrate, rotors, and wheel trains, and relates to a wheel train apparatus which has a resin substrate, bearing members, gear wheel, and the like. The invention is constituted by a timepiece comprising; a gear wheel, and a substrate which supports a shaft of a rotor and/or a shaft of the gear wheel, the substrate being formed from a filled resin. Alternatively the invention is constituted by a wheel train apparatus comprising: a gear wheel; a substrate which supports one shaft section of the gear wheel, and a bridge which rotatably supports an other shaft section of the gear wheel, the substrate and the bridge being formed from a filled resin.Type: GrantFiled: December 20, 2002Date of Patent: January 23, 2007Assignees: Kitagawa Industries Co., Ltd, Seiko Instruments Inc.Inventors: Morinobu Endo, Tetsuo Uchiyama, Akio Yamaguchi, Yasuo Kondo, Hiroshi Aoyama, Koichiro Jujo, Kazutoshi Takeda, Masato Takenaka, Shigeo Suzuki, Takeshi Tokoro
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Patent number: 7109643Abstract: The actuator is capable of greatly deforming a flexible sheet member. The actuator comprises: a flexible sheet member being made of a polymer material; and a pair of electrodes being respectively provided on both faces of the sheet member, the electrodes being made of carbon nano fibers.Type: GrantFiled: April 5, 2004Date of Patent: September 19, 2006Assignee: Japan as represented by the Director General of Agency of Shinshu UniversityInventors: Toshihiro Hirai, Morinobu Endo
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Publication number: 20060164925Abstract: The invention relates to a timepiece which has a resin substrate, rotors, and wheel trains, and relates to a wheel train apparatus which has a resin substrate, bearing members, gear wheel, and the like. The invention is constituted by a timepiece comprising; a gear wheel, and a substrate which supports a shaft of a rotor and/or a shaft of the gear wheel, the substrate being formed from a filled resin. Alternatively the invention is constituted by a wheel train apparatus comprising: a gear wheel; a substrate which supports one shaft section of the gear wheel, and a bridge which rotatably supports an other shaft section of the gear wheel, the substrate and the bridge being formed from a filled resin.Type: ApplicationFiled: December 20, 2002Publication date: July 27, 2006Inventors: Morinobu Endo, Tetsuo Uchiyama, Akio Yamaguchi, Yasuo Kondo, Hiroshi Aoyama, Koichiro Jujo, Kazutoshi Takeda, Masato Takenaka, Shigeo Suzuki, Takeshi Tokoro
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Patent number: 7048904Abstract: A carbon fiber having catalytic metal supported thereon according to the present invention is a carbon fiber in which a number of hexagonal carbon layers in the shape of a cup having no bottom are stacked. At least part of edges of the hexagonal carbon layers is exposed at an outer surface or inner surface of the carbon fiber. Catalytic metal is supported on the exposed edges of the hexagonal carbon layers. The edges of the hexagonal carbon layers are further exposed by removing a deposited layer formed on the outer surface or inner surface of the carbon fiber. The exposed edges of the hexagonal carbon layers have an extremely high activity and are suitable as a support for catalytic metal.Type: GrantFiled: March 18, 2002Date of Patent: May 23, 2006Assignees: GSI Creos CorporationInventors: Takashi Yanagisawa, Morinobu Endo