Patents by Inventor Toru Arai
Toru Arai 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: 20180273669Abstract: An object of the present invention is to provide a cross-copolymer having excellent softness and heat resistance which is useful as a thermoplastic elastomer, and provide a method for producing thereof. The present invention provides a method for producing a cross-copolymer comprising a coordination polymerization step and an anionic polymerization step, the cross-copolymer has a specific structure. The present invention also provides a cross-copolymer having excellent moldability, softness and heat resistance, which can be produced under the producing conditions satisfying that the molecular weight distribution of the copolymer obtained in the coordination polymerization step is in a specific range.Type: ApplicationFiled: September 12, 2016Publication date: September 27, 2018Applicant: Denka Company LimitedInventor: Toru Arai
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Publication number: 20180244912Abstract: [Problem] To provide a thermoplastic resin composition for use in an organ model, wherein said composition has a softness closer to that of an organ, a high mechanical strength, and a texture close to an organ, exhibits excellent durability, and can be handled easily. [Solution] A resin composition for an organ model, said composition containing, as component (A), 100 parts by mass of a hydrogenated block copolymer having an MFR (measured at a temperature of 230° C. and a load of 2.16 kg) of 1 g/10 min. or less, and an oil as component (B). Moreover, the composition may also contain a cross copolymer as component (C), a polypropylene resin as component (D), and a filler as component (E).Type: ApplicationFiled: August 17, 2016Publication date: August 30, 2018Inventors: Akira Miyama, Yoshihiko TSUJIMURA, Toru Arai
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Publication number: 20180216255Abstract: Provided is a method for producing carbon nanotibers having excellent conductivity, crystallinity and dispersibility. A method for producing carbon nanofibers, which uses an activated species mainly composed of cobalt as a catalyst, while using carbon monoxide as a carbon source. The catalyst is obtained by having a carrier, which is composed of an oxide having a specific surface area of 0.01-5 m2/g and containing magnesium, support 3-90% by mass of the activated species. By controlling the reaction temperature, the carbon monoxide partial pressure and the gas flow rate of the carbon monoxide, CNF having more excellent conductivity, crystallinity and dispersibility can be produced, thereby obtaining carbon nanofibers having excellent conductivity, crystallinity and dispersibility.Type: ApplicationFiled: July 25, 2016Publication date: August 2, 2018Inventors: Hitoshi KANEKO, Toru ARAI, Yoko HORIKOSHI, Ayumu TSUKAMOTO
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Publication number: 20170365372Abstract: By using CNF excellent in dispersibility, conductivity, and crystallinity, a conductive polymer material having high conductivity even with a low CNF content and a shaped article thereof and a conductive polymer material with a less CNF content for same conductivity and a shaped article thereof are provided. A conductive polymer material with high conductivity is produced by using carbon nanofiber with a median diameter D50 value from 0.1 to 8 ?m, powder resistivity of 0.03 ?cm or less measured under a load of 9.8 MPa, and D/G from 0.5 to 1.3.Type: ApplicationFiled: August 6, 2015Publication date: December 21, 2017Applicant: Denka Company LimitedInventors: Hitoshi Kaneko, Toru Arai, Yoko Horikoshi, Ayumu Tsukamoto, Akira Miyama
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Publication number: 20170288218Abstract: A conductive composition for electrode is provided that is excellent in conductivity and dispersibility. Further, an electrode for lithium ion secondary battery with lower plate resistance and a lithium ion secondary battery excellent in rate characteristics are provided that use this conductive composition. A conductive composition for electrode, including: carbon nanofiber with a median diameter D50 value by volume from 0.1 to 8 ?m; an active material; and a binder enables production of an electrode for lithium ion secondary battery with lower plate resistance and a lithium ion secondary battery excellent in rate characteristics.Type: ApplicationFiled: August 6, 2015Publication date: October 5, 2017Applicant: Denka Company LimitedInventors: Yoko Horikoshi, Toru Arai, Hitoshi Kaneko, Tatsuya Nagai, Ayumu Tsukamoto
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Patent number: 9738993Abstract: A manufacturing method of carbon nanofibers at a high activity is provided. Further, carbon nanofibers produced by the manufacturing method and being excellent in electric conductivity, crystallinity and dispersibility is provided. By a manufacturing method of carbon nanofibers in which an active species including cobalt as a chief component is employed as a catalyst and carbon monoxide is used as a carbon source, wherein said catalyst has 3 to 150 mass % of said active species carried on a carrier composed of a magnesium-containing oxide having a specific surface area of 0.01 to 5 m2/g, and a reaction temperature, partial pressure of carbon monoxide and a flow rate of raw material gas is controlled, CNFs that are excellent in electric conductivity, crystallinity and dispersibility can be manufactured at high activity, so that carbon nanofibers that is excellent in electric conductivity, crystallinity and dispersibility is obtained.Type: GrantFiled: February 3, 2015Date of Patent: August 22, 2017Assignee: Denka Company LimitedInventors: Hitoshi Kaneko, Toru Arai, Masaya Umeyama, Yoko Tamura, Ayumu Tsukamoto
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Publication number: 20170176275Abstract: A bicycle crank arm assembly basically includes a bicycle crank arm and first to third detecting circuits. The first detecting circuit is configured to detect a force acting in a first direction. The second detecting circuit is configured to detect a force acting in a second direction. The third detecting circuit is configured to detect a moment. The first detecting circuit includes a first strain sensor that is mounted to an attachment surface. The second detecting circuit includes a second strain sensor that is mounted to the attachment surface. The third detecting circuit includes a third strain sensor that is mounted to the attachment surface.Type: ApplicationFiled: December 14, 2016Publication date: June 22, 2017Inventors: Toshio TETSUKA, Fumiaki YOSHIDA, Shintaro MORI, Toru ARAI, Kui LI, Tomoaki WATANUKI
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Publication number: 20170145135Abstract: The purpose of the present invention is to provide: a cross-copolymer in which a residual catalyst component remains in a reduced amount and which has improved transparency, applicability to medical materials and yellowish discoloration resistance; and a method for producing the cross-copolymer.Type: ApplicationFiled: May 14, 2015Publication date: May 25, 2017Applicant: Denka Company LimitedInventors: Toru Arai, Ayumu Tsukamoto, Eri Sasaki
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Publication number: 20170037174Abstract: The present invention addresses the problem of providing a cross-copolymer having excellent flexibility, heat resistance, cold resistance and mechanical properties. The present invention also addresses the problem of providing a resin composition which is prepared using the cross-copolymer, has excellent compatibility with polyolefin resins and aromatic resins, and has excellent flexibility, heat resistance and cold resistance.Type: ApplicationFiled: April 1, 2015Publication date: February 9, 2017Applicant: Denka Company LimitedInventors: Toru ARAI, Tometomo UCHIDA, Ayumu TSUKAMOTO
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Publication number: 20160348282Abstract: A manufacturing method of carbon nanofibers at a high activity is provided. Further, carbon nanofibers produced by the manufacturing method and being excellent in electric conductivity, crystallinity and dispersibility is provided. By a manufacturing method of carbon nanofibers in which an active species including cobalt as a chief component is employed as a catalyst and carbon monoxide is used as a carbon source, wherein said catalyst has 3 to 150 mass % of said active species carried on a carrier composed of a magnesium-containing oxide having a specific surface area of 0.01 to 5 m2/g, and a reaction temperature, partial pressure of carbon monoxide and a flow rate of raw material gas is controlled, CNFs that are excellent in electric conductivity, crystallinity and dispersibility can be manufactured at high activity, so that carbon nanofibers that is excellent in electric conductivity, crystallinity and dispersibility is obtained.Type: ApplicationFiled: February 3, 2015Publication date: December 1, 2016Applicant: Denka Company LimitedInventors: Hitoshi Kaneko, Toru Arai, Masaya Umeyama, Yoko Tamura, Ayumu Tsukamoto
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Patent number: 9450129Abstract: Provided are a multilayer sheet superior in weather resistance, heat resistance, and moisture proofness and also favorable in interlayer adhesiveness, and a back sheet for solar cells and a solar cell module prepared by using the same. The multilayer sheet 10 is prepared by laminating a polyolefin-based resin layer 1 having a melt flow rate, as determined by the method A specified in JIS K7210, of 0.5 to 25 g/10 minutes at 230° C. under a load of 2.16 kg and a polyvinylidene fluoride-based resin layer 2 having a melt flow rate, as determined by the method A specified in JIS K7210, of 0.5 to 25 g/10 minutes at 230° C. under a load of 2.16 kg, via an adhesion resin layer 3 of a conjugated diene-based polymer, a conjugated diene-based copolymer, or the hydride thereof having a melt flow rate, as determined by the method A specified in JIS K7210, of 0.1 to 50 g/10 minutes at 230° C. under a load of 2.16 kg.Type: GrantFiled: January 17, 2013Date of Patent: September 20, 2016Assignee: Denka Company LimitedInventors: Tomoo Saito, Toru Arai
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Patent number: 9322725Abstract: A first pedaling force measurement device measures a plurality of pedaling force parameters acting on a first crank arm to one end of which a first pedal can be attached and to another end of which a crank shaft can be attached. The first pedaling force measurement device is provided with a strain-flexing part, a first parameter detection part and a first interference suppression part. Strain acting on the first crank arm is conveyed to the strain-flexing part. The parameter detection part is disposed on the strain-flexing part, and detects a plurality of parameters based on the strain being conveyed to the strain-flexing part. The interference suppression part suppresses interference in one parameter detected by the parameter detection part from the other parameters.Type: GrantFiled: August 5, 2013Date of Patent: April 26, 2016Assignees: Shimano Inc., Minebea Co., Ltd.Inventors: Toshio Tetsuka, Satoshi Sato, Toru Arai, Kui Li
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Publication number: 20140373915Abstract: Provided are a multilayer sheet superior in weather resistance, heat resistance, and moisture proofness and also favorable in interlayer adhesiveness, and a back sheet for solar cells and a solar cell module prepared by using the same. The multilayer sheet 10 is prepared by laminating a polyolefin-based resin layer 1 having a melt flow rate, as determined by the method A specified in JIS K7210, of 0.5 to 25 g/10 minutes at 230° C. under a load of 2.16 kg and a polyvinylidene fluoride-based resin layer 2 having a melt flow rate, as determined by the method A specified in JIS K7210, of 0.5 to 25 g/10 minutes at 230° C. under a load of 2.16 kg, via an adhesion resin layer 3 of a conjugated diene-based polymer, a conjugated diene-based copolymer, or the hydride thereof having a melt flow rate, as determined by the method A specified in JIS K7210, of 0.1 to 50 g/10 minutes at 230° C. under a load of 2.16 kg.Type: ApplicationFiled: January 17, 2013Publication date: December 25, 2014Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHAInventors: Tomoo Saito, Toru Arai
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Patent number: 8722831Abstract: To provide a novel cross copolymer and resin composition which are improved in heat resistance and compatibility over conventional ethylene/aromatic vinyl compound copolymers and which have low crystallinity, are excellent in softness, transparency and compatibility and show mechanical properties similar to soft vinyl chloride resins, as compared with conventional cross copolymers.Type: GrantFiled: May 29, 2007Date of Patent: May 13, 2014Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Toru Arai, Masaru Hasegawa, Ayumu Tsukamoto, Akira Miyama, Shigeru Suzuki
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Publication number: 20140060212Abstract: A first pedaling force measurement device measures a plurality of pedaling force parameters acting on a first crank arm to one end of which a first pedal can be attached and to another end of which a crank shaft can be attached. The first pedaling force measurement device is provided with a strain-flexing part, a first parameter detection part and a first interference suppression part. Strain acting on the first crank arm is conveyed to the strain-flexing part. The parameter detection part is disposed on the strain-flexing part, and detects a plurality of parameters based on the strain being conveyed to the strain-flexing part. The interference suppression part suppresses interference in one parameter detected by the parameter detection part from the other parameters.Type: ApplicationFiled: August 5, 2013Publication date: March 6, 2014Applicants: MINEBEA CO., LTD., Shimano Inc.Inventors: Toshio TETSUKA, Satoshi SATO, Toru ARAI, Kui LI
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Patent number: 8461264Abstract: Disclosed is a thermoplastic resin composition comprising a cross-copolymer which meets specific requirements; and a polyphenylene ether resin, wherein the cross-copolymer is contained in an amount of 5 to 95 mass % and the polyphenylene ether resin is contained in an amount of 95 to 5 mass %. The thermoplastic resin composition has excellent heat resistant, excellent softness, excellent flexibility, excellent stretching properties, and excellent scratch-abrasion resistance.Type: GrantFiled: April 14, 2009Date of Patent: June 11, 2013Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Toru Arai, Masaru Hasegawa, Akira Miyama, Kunihiko Konishi, Shigeru Suzuki
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Patent number: 7935526Abstract: It is an object of the present invention to establish a method of establishing a cell with a remarkably high hERG channel expression level for use in predicting adverse effects based on hERG channel inhibition in research and development of drugs, and to thereby establish a highly sensitive and high throughput evaluation method. By inserting a hERG gene into a retrovirus vector plasmid or lentivirus vector plasmid to thereby prepare a virus vector, concentrating the vector by ultracentrifugation if necessary, transferring the hERG gene into cells and expressing hERG channels therein, it has become possible to secure an expression level effective in measurements using a fully automated high throughput patch clamp system or dyes.Type: GrantFiled: November 17, 2004Date of Patent: May 3, 2011Assignee: Eisai R & D Management Co., Ltd.Inventors: Takashi Yoshinaga, Toru Arai
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Publication number: 20110040038Abstract: Disclosed is a thermoplastic resin composition comprising a cross-copolymer which meets specific requirements; and a polyphenylene ether resin, wherein the cross-copolymer is contained in an amount of 5 to 95 mass % and the polyphenylene ether resin is contained in an amount of 95 to 5 mass %. The thermoplastic resin composition has excellent heat resistant, excellent softness, excellent flexibility, excellent stretching properties, and excellent scratch-abrasion resistance.Type: ApplicationFiled: April 14, 2009Publication date: February 17, 2011Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHAInventors: Toru Arai, Masaru Hasegawa, Akira Miyama, Kunihiko Konishi, Shigeru Suzuki
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Publication number: 20100168014Abstract: The present inventors have found that relaxin-3 has a feeding-stimulating activity, a body weight increasing activity, and fat weight increasing activity by intracerebroventricularly administering relaxin-3 to rats and observing the amount of feeding, body weight and fat weight, and so on after the administration. According to the present invention, a polypeptide having useful effects in stimulating feeding, increasing body weight, and fattening; a therapeutic agent containing said polypeptide; a method of screening for a compound, a substance, or a salt thereof which activates or suppresses a receptor of said polypeptide; a kit for said screening; and an agent which comprises a substance which inhibits expression of said polypeptide, such as a feeding-surpressing agent, a therapeutic agent for the treatment of obesity, and a therapeutic agent for the treatment of diabetes.Type: ApplicationFiled: November 9, 2009Publication date: July 1, 2010Inventors: Takayuki Hida, Tomoko Sekiya, Toru Sawai, Takashi Seiki, Eiki Takahashi, Michiko Kosasa, Kokichi Harada, Toru Arai
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Publication number: 20090311185Abstract: The objects of the present invention are to provide a polypeptide having an antianxiety activity; a therapeutic agent containing the polypeptide; a method for treating anxiety using the polypeptide; a method of screening for a compound capable of activating or suppressing a receptor for the polypeptide and involved in the regulation of anxiety, a salt thereof, or a hydrate of them; and a kit for the screening. There is provided an antianxiety agent containing relaxin-3.Type: ApplicationFiled: April 26, 2006Publication date: December 17, 2009Inventors: Takayuki Hida, Toru Arai, Tomoko Sekiya, Eiki Takahashi, Kodo Shikata