Patents by Inventor Takashi Fukutomi
Takashi Fukutomi 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: 11942074Abstract: A learning data acquisition device or the like, capable of acquiring learning data by superimposing noise data on clean voice data at an appropriate SN ratio, is provided. The learning data acquisition device includes a voice recognition influence degree calculation unit and a learning data acquisition unit. The voice recognition influence degree calculation unit calculates an influence degree on voice recognition accuracy caused by a change of a signal-to-noise ratio, based on a result of voice recognition on the kth noise superimposed voice data and a result of voice recognition on the k?1th noise superimposed voice data, where K is an integer of 2 or larger, k=2, 3, . . .Type: GrantFiled: January 29, 2020Date of Patent: March 26, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takaaki Fukutomi, Takashi Nakamura, Kiyoaki Matsui
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Publication number: 20080078489Abstract: Disclosed are a pneumatic tire, which exhibits excellent puncture-preventing function while avoiding inconvenience aroused when a sealant layer is formed based on decomposition reaction of polyisobutylene, a process for producing the same and a sealant rubber composition. This pneumatic tire is provided with the sealant layer in a region of the inner surface of the tire which corresponds at least to a tread. The sealant layer is made of an adhesive sealant obtained by heating a rubber composition containing 0.2 to 20 parts by weight of peroxide per 100 parts by weight of a rubber ingredient containing not less than 50 wt. % of polyisobutylene. 5 to 50 parts by weight of a liquid ethylene/?-olefin copolymer, liquid polybutadiene or liquid polyisoprene are added as an adhesive of the sealant layer.Type: ApplicationFiled: October 31, 2007Publication date: April 3, 2008Applicant: The Yokohama Rubber Co., Ltd.Inventors: Takashi Fukutomi, Takumi Sekiguchi, Issei Nakakita, Mitsuru Naito, Yuichi Kobayashi, Koji Watanabe, Tetsuo Ikegami, Satoshi Makino, Naoya Miyawaki, Tetsuya Mizone
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Publication number: 20070185269Abstract: A sealant rubber composition which forms a spongy tacky sealant layer having moderate viscosity properties; and a pneumatic tire having in the tire main body a tacky sealant layer obtained by heating the rubber composition. The rubber composition comprises 0.2 to 20 parts by weight of a peroxide per 100 parts by weight of polymers comprising 95 to 50 parts by weight of a polymer decomposable with the peroxide and 5 to 50 parts by weight of a polymer crosslinkable with the peroxide.Type: ApplicationFiled: March 27, 2007Publication date: August 9, 2007Applicants: THE YOKOHAMA RUBBER CO., LTD., HONDA GIKEN KOGYO KABUSHIKI KAISHAInventors: Takashi Fukutomi, Takumi Sekiguchi, Issei Nakakita, Mitsuru Naito, Yuichi Kobayashi, Tetsuo Ikegami, Satoshi Makino, Takayuki Toyoshima, Tetsuya Mizone, Naoya Miyawaki
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Publication number: 20060174991Abstract: A pneumatic tire having a tread, a sealant layer for prevention of puncturing being provided on the inner surface of the tire in the tread, a rubber cover layer covering the surface of the sealant layer. The rubber cover layer is formed of rubber having a JIS A hardness X of 50 to 70, and has a thickness Y (mm) satisfying the following expression in relation to the hardness X. ?0.025X+2.25?Y??0.025X+3.Type: ApplicationFiled: July 26, 2004Publication date: August 10, 2006Applicants: THE YOKOHAMA RUBBER CO., LTD., HONDA MOTOR CO., LTD.Inventors: Mitsuru Naito, Takashi Fukutomi, Takumi Sekiguchi, Issei Nakakita, Yuichi Kobayashi, Tetsuo Ikegami, Satoshi Makino, Takayuki Toyoshima
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Patent number: 7063115Abstract: A pneumatic tire which makes it possible to effectively prevent puncture during running without involving a large increase in weight or degradation of riding comfortability. This pneumatic tire has a plurality of films disposed in the manner of fish scales in at least a region corresponding to a tread portion of an inner surface of the tire, each of the films being partially fixed on the inner surface of the tire, the fixed portions of the films being covered by the non-fixed portions of the other films.Type: GrantFiled: March 25, 2002Date of Patent: June 20, 2006Assignees: The Yokohama Rubber Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Takashi Fukutomi, Satoshi Makino, Takayuki Toyoshima
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Patent number: 7040364Abstract: A pneumatic tire, comprising adhesive sealant applied onto the inner surface thereof, wherein an air barrier membrane is disposed on the inner surface of the tire at least at a tread part, a space part is formed between the air barrier membrane and the inner surface of the tire, and the adhesive sealant is stacked on the space part side surface of the air barrier membrane, whereby an increase in weight can be minimized and a workability in handling the tire can be increased.Type: GrantFiled: September 26, 2002Date of Patent: May 9, 2006Assignees: The Yokohama Rubber Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Issei Nakakita, Mitsuru Naito, Takashi Fukutomi
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Publication number: 20060054261Abstract: A pneumatic tire capable of eliminating the need of repairing puncture on the outside of a car and effectively preventing air leakage without accompanying an increase in weight and deterioration of riding comfortableness which occur in a conventional punctureless tire and a method of manufacturing the pneumatic tire, the pneumatic tire characterized in that a rubber-like thin-film formed of a latex dry thin-film in which 20 to 50 wt % rubber component is liquid isoprene rubber and having a breaking elongation of 900% or more and a tensile strength of 15 MPa or higher is disposed on the inner surface of the tire.Type: ApplicationFiled: February 24, 2004Publication date: March 16, 2006Inventors: Takashi Fukutomi, Satoshi Makino
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Publication number: 20060048877Abstract: A pneumatic tire of which self-seal function can be improved while the increase in weight of the tire is minimized. The pneumatic tire having an adhesive sealant layer in the region corresponding to at least a tread portion on the inner side of the tire, the adhesive sealant layer being constituted from a rubber composition containing a rubber component to be decomposed by peroxide and 0.2 to 20 parts by weight of peroxide per 100 parts by weight of the rubber component, in which fibrillated short fibers with an average length of 100 to 5000 ?m are mixed and scattered.Type: ApplicationFiled: January 26, 2004Publication date: March 9, 2006Applicant: THE YOKOHAMA RUBBER CO., LTDInventors: Takashi Fukutomi, Takumi Sekiguchi, Issei Nakakita, Mitsuru Naito, Yuichi Kobayashi, Kouji Watanabe, Satoshi Makino, Takayuki Toyoshima
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Publication number: 20040194862Abstract: Disclosed are a pneumatic tire, which exhibits excellent puncture-preventing function while avoiding inconvenience aroused when a sealant layer is formed based on decomposition reaction of polyisobutylene, a process for producing the same and a sealant rubber composition. This pneumatic tire is provided with the sealant layer in a region of the inner surface of the tire which corresponds at least to a tread. The sealant layer is made of an adhesive sealant obtained by heating a rubber composition containing 0.2 to 20 parts by weight of peroxide per 100 parts by weight of a rubber ingredient containing not less than 50 wt. % of polyisobutylene. 5 to 50 parts by weight of a liquid ethylene/&agr;-olefin copolymer, liquid polybutadiene or liquid polyisoprene are added as an adhesive of the sealant layer.Type: ApplicationFiled: March 3, 2004Publication date: October 7, 2004Inventors: Takashi Fukutomi, Takumi Sekiguchi, Issei Nakakita, Mitsuru Naito, Yuichi Kobayashi, Koji Watanabe, Tetsuo Ikegami, Satoshi Makino, Naoya Miyawaki, Tetsuya Mizone
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Publication number: 20040198910Abstract: A sealant rubber composition which forms a spongy tacky sealant layer having moderate viscosity properties; and a pneumatic tire having in the tire main body a tacky sealant layer obtained by heating the rubber composition. The rubber composition comprises 0.2 to 20 parts by weight of a peroxide per 100 parts by weight of polymers comprising 95 to 50 parts by weight of a polymer decomposable with the peroxide and 5 to 50 parts by weight of a polymer crosslinkable with the peroxide.Type: ApplicationFiled: February 11, 2004Publication date: October 7, 2004Inventors: Takashi Fukutomi, Takumi Sekiguchi, Issei Nakakita, Mitsuru Naito, Yuichi Kobayashi, Tetsuo Ikegami, Satoshi Makino, Takayuki Toyoshima, Tetsuya Mizone, Naoya Miyawaki
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Publication number: 20040173297Abstract: A pneumatic tire having a puncture-preventive sealant layer that suppresses the generation of decomposition gas and is high in viscosity; and a method of producing the same. This pneumatic tire has a sealant layer disposed along the inner surface thereof, in which sealant layer is made of a rubber composition containing a cobalt salt in an amount of 0.07-0.5 parts by weight in terms of cobalt component for 100 parts by weight of rubber containing not less than 80 parts by weight of natural rubber or isoprene rubber.Type: ApplicationFiled: December 12, 2003Publication date: September 9, 2004Inventors: Takashi Fukutomi, Sadafumi Aibe
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Publication number: 20040149366Abstract: This invention relates to a tubeless tire capable of obtaining a sufficient sealing property even if application amount of a sealant agent is lessened. Tubeless tire 1 of this invention includes sealant layer 4 formed of the sealant agent so as to adhere firmly to the inside of inner liner layer 3 that keeps the inside of the tire airtightly. And cover layer 5 formed of the elastic body with high permeability adheres firmly to the inside of the sealant layer 4.Type: ApplicationFiled: June 11, 2003Publication date: August 5, 2004Inventors: Satoshi Makino, Takayuki Toyoshima, Koji Watanabe, Takumi Sekiguchi, Takashi Fukutomi, Yoichi Yamaguchi, Mitsuru Naito
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Publication number: 20040074579Abstract: A pneumatic tire, comprising adhesive sealant applied onto the inner surface thereof, wherein an air barrier membrane is disposed on the inner surface of the tire at least at a tread part, a space part is formed between the air barrier membrane and the inner surface of the tire, and the adhesive sealant is stacked on the space part side surface of the air barrier membrane, whereby an increase in weight can be minimized and a workability in handling the tire can be increased.Type: ApplicationFiled: August 20, 2003Publication date: April 22, 2004Inventors: Issei Nakakita, Mitsuru Naito, Takashi Fukutomi
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Publication number: 20040069387Abstract: A pneumatic tire which makes it possible to effectively prevent puncture during running without involving a large increase in weight or degradation of riding comfortability. This pneumatic tire has a plurality of films disposed in the manner of fish scales in at least a region corresponding to a tread portion of an inner surface of the tire, each of the films being partially fixed on the inner surface of the tire, the fixed portions of the films being covered by the non-fixed portions of the other films.Type: ApplicationFiled: August 4, 2003Publication date: April 15, 2004Inventors: Takashi Fukutomi, Satoshi Makino, Takayuki Toyoshima
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Patent number: 6663775Abstract: A charge mosaic membrane having excellent selective permeability comprises a cationic polymer component, an anionic polymer component and a matrix component. Both of the cationic polymer component and the anionic polymer component are crosslinked particulate polymers. The matrix component is at least one polymer selected from a polysulfone resin, a polyarylate resin, a polyamide resin, a polyimide resin, a polyamideimide resin, a polyurethane resin, a fluorinated resin or a silicone resin. The charge mosaic membrane can be easily produced by conducting formation of the membrane by using a composition in which the cationic polymer component and the anionic polymer component are both dispersed in a solution of the matrix component in an organic solvent.Type: GrantFiled: February 22, 1999Date of Patent: December 16, 2003Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Takashi Fukutomi, Yoshifumi Sugito, Minoru Takizawa, Naomi Oguma, Seiji Doi, Michiei Nakamura
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Publication number: 20030192828Abstract: A charge mosaic membrane having excellent selective permeability comprises a cationic polymer component, an anionic polymer component and a matrix component. Both of the cationic polymer component and the anionic polymer component are crosslinked particulate polymers. The matrix component is at least one polymer selected from a polysulfone resin, a polyarylate resin, a polyamide resin, a polyimide resin, a polyamideimide resin, a polyurethane resin, a fluorinated resin or a silicone resin. The charge mosaic membrane can be easily produced by conducting formation of the membrane by using a composition in which the cationic polymer component and the anionic polymer component are both dispersed in a solution of the matrix component in an organic solvent.Type: ApplicationFiled: February 22, 1999Publication date: October 16, 2003Inventors: TAKASHI FUKUTOMI, YOSHIFUMI SUGITO, MINORU TAKIZAWA, NAOMI OGUMA, SEIJI DOI, MICHIEI NAKAMURA
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Patent number: 6484887Abstract: An ion-selective membrane is formed integrally of an ion-selective membrane forming component and a woven-fabric-shaped backing. The ion-selective membrane forming component comprises a cationic polymer component and/or an anionic polymer component and a matrix component. Each of the ionic polymer components is a particulate polymer having an average particle size in a range of from 0.01 to 10 &mgr;m. The woven-fabric-shaped backing has a meshed structure. The ion-selective membrane can be produced by forming it while maintaining a layer of a coating formulation, in which the ionic polymer component is dispersed in a solution or dispersion of the matrix component in an organic solvent, in close contact with the woven-fabric-shaped backing. The ion-selective membrane is useful for the permeation of an electrolyte. An apparatus provided with the ion-selective membrane is also provided.Type: GrantFiled: February 18, 2000Date of Patent: November 26, 2002Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Takashi Fukutomi, Yoshifumi Sugito, Minoru Takizawa, Naomi Oguma, Seiji Doi, Michiei Nakamura
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Patent number: 5770631Abstract: A process is disclosed for the production of connected microgel particles. According to the process, starting microgel particles having particle sizes of 100-0.01 .mu.m and a particle size distribution whose standard deviation is not greater than 100% of a mean particle size of the starting microgel particles are dispersed in a matrix component. The starting microgel particles are soaked with a monomer. The monomer is then polymerized, whereby the starting microgels are connected together. Also disclosed is an article comprising a base material and a layer of such connected microgel particles formed on a surface of the base material.Type: GrantFiled: August 31, 1995Date of Patent: June 23, 1998Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Takashi Fukutomi, Yoshifumi Sugito, Minoru Takizawa, Satoshi Mizoguchi, Michiei Nakamura, Hitoshi Takeuchi, Naomi Oguma, Motohisa Maruyama, Shojiro Horiguchi
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Patent number: 5543045Abstract: A charge mosaic membrane is made of a cationic polymer and an anionic polymer. At least one of the cationic and anionic polymers is in the form of spheres having a diameter of 0.01-10 .mu.m. A process for the production of the charge mosaic membrane is also described.Type: GrantFiled: March 7, 1994Date of Patent: August 6, 1996Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Takashi Fukutomi, Minoru Takizawa, Michiei Nakamura