Patents by Inventor Kenji Atarashi
Kenji Atarashi 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: 9969688Abstract: The present invention provides a compound represented by the formula (I) or a pharmaceutically acceptable salt thereof: wherein R is a hydrogen atom, a C1-6 alkyl group optionally substituted with one or more hydroxyl groups, a C1-6 alkoxy group, or a cyano group.Type: GrantFiled: October 21, 2015Date of Patent: May 15, 2018Assignee: HISAMITSU PHARMACEUTICAL CO., INC.Inventors: Atsushi Sonobe, Takashi Yasukochi, Yasunori Takada, Kenji Atarashi, Motohiro Suzuki, Shinichi Yokota
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Publication number: 20170233343Abstract: The present invention provides a compound represented by the formula (I) or a pharmaceutically acceptable salt thereof: wherein R is a hydrogen atom, a C1-6 alkyl group optionally substituted with one or more hydroxyl groups, a C1-6 alkoxy group, or a cyano group.Type: ApplicationFiled: October 21, 2015Publication date: August 17, 2017Applicant: HISAMITSU PHARMACEUTICAL CO., INC.Inventors: Atsushi SONOBE, Takashi YASUKOCHI, Yasunori TAKADA, Kenji ATARASHI, Motohiro SUZUKI, Shinichi YOKOTA
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Patent number: 8957157Abstract: Disclosed is an injection molded article made of a resin composition comprising 15 to 40% by mass of ultrahigh molecular weight polyethylene fibers, and 60 to 85% by mass of a thermoplastic resin having a melt flow rate of 70 to 500 g/10 min. measured at a temperature of 230° C. and a load of 21.2 N, and a fusion peak temperature lower than 160° C. measured with a differential scanning calorimeter, where the combined mass of the ultrahigh molecular weight polyethylene fibers and the thermoplastic resin is taken as 100% by mass, wherein the injection molded article satisfies the following requirements: the intrinsic volume resistivity is 1.0×1015 ?·cm or more, the thermal conductivity is 1 W/m·K or more, and the specific gravity is 1.2 or less. The article is high in rigidity, impact resistance, electrically insulating property, and thermal conductivity.Type: GrantFiled: September 6, 2013Date of Patent: February 17, 2015Assignee: Sumitomo Chemical Company, LimitedInventors: Kenji Atarashi, Tetsuro Dobashi
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Patent number: 8895644Abstract: Disclosed is a resin composition including a thermoplastic resin (A), carbon fibers (B), graphite particles (C), an absorbent (D) selected from the group consisting of calcium hydroxide, zeolite, and hydrotalcite, and an antioxidant (E) or a combination of an antioxidant (E) and a compound (F) selected from a compound group consisting of compounds represented by CnHn+2 (OH)n wherein n represents an integer of 4 or greater, alkoxy forms derived from compounds represented by the following formula (2), trehalose, sucrose, lactose, maltose, melicitose, stachyose, curdlan, glycogen, glucose, and fructose. A lighting fixture component made of this resin composition is also disclosed.Type: GrantFiled: March 8, 2012Date of Patent: November 25, 2014Assignee: Sumitomo Chemical Company, LimitedInventors: Kenji Atarashi, Hisakatsu Hama
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Publication number: 20140271796Abstract: A transdermal absorption preparation containing at least one drug selected from oxybutynin and pharmaceutically acceptable salts thereof and 0.05% by mass or more of a sterol selected from cholesterols, cholesterol derivatives and cholesterol analogs, relative to a total amount of the transdermal absorption preparation.Type: ApplicationFiled: October 23, 2012Publication date: September 18, 2014Inventors: Kenji Atarashi, Kazuhiro Suzuki, Akio Takeuchi, Hidekazu Kuma
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Patent number: 8674016Abstract: A production process of an organic fiber-containing polyolefin resin composition includes the step of mixing in a rotary impeller-carrying mixer (1) more than 10 parts by weight to less than 90 parts by weight of an organic fiber, with (2) more than 10 parts by weight to less than 90 parts by weight of a polyolefin resin containing (a) 50 to 100% by weight of polyolefin resin powders passing through a sieve having 2 mm openings, and (b) 0 to 50% by weight of polyolefin resin pellets not passing through a sieve having 2 mm openings and passing through a sieve having 4.75 mm openings.Type: GrantFiled: August 28, 2009Date of Patent: March 18, 2014Assignee: Sumitomo Chemical Company, LimitedInventors: Tetsuro Dobashi, Kenji Atarashi
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Publication number: 20140066574Abstract: Disclosed is an injection molded article made of a resin composition comprising 15 to 40% by mass of ultrahigh molecular weight polyethylene fibers, and 60 to 85% by mass of a thermoplastic resin having a melt flow rate of 70 to 500 g/10 min. measured at a temperature of 230° C. and a load of 21.2 N, and a fusion peak temperature lower than 160° C. measured with a differential scanning calorimeter, where the combined mass of the ultrahigh molecular weight polyethylene fibers and the thermoplastic resin is taken as 100% by mass, wherein the injection molded article satisfies the following requirements: the intrinsic volume resistivity is 1.0×1015 ?·cm or more, the thermal conductivity is 1 W/m·K or more, and the specific gravity is 1.2 or less. The article is high in rigidity, impact resistance, electrically insulating property, and thermal conductivity.Type: ApplicationFiled: September 6, 2013Publication date: March 6, 2014Inventors: Kenji ATARASHI, Tetsuro DOBASHI
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Patent number: 8524804Abstract: A resin composition includes a fiber and a polyolefin resin and can provide a molded article having excellent mechanical strength such as flexural strength and impact resistance. The resin composition includes (i) a surface-treated fiber (A) which comprises 100 parts by weight of a fiber (A-I) comprising a polyalkylene terephthalate and/or a polyalkylene naphthalene dicarboxylate and 0.1 to 10 parts by weight of a sizing agent (A-II) adhered to the surface of the fiber (A-I), and (ii) a polyolefin resin modified with an unsaturated carboxylic acid and/or an unsaturated carboxylic acid derivative (a modified polyolefin resin (B)) as a resin component.Type: GrantFiled: January 22, 2009Date of Patent: September 3, 2013Assignees: Sumitomo Chemical Company, Limited, Teijin Fibers LimitedInventors: Katsuhisa Kitano, Kenji Watanabe, Kenji Atarashi, Shinichi Takahashi
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Publication number: 20130053357Abstract: Provided is a skin irritation suppressant for transdermal preparations, having a sufficient reduction effect of skin irritation due to a drug. Also provided is a transdermal preparation comprising the skin irritation suppressant. One embodiment of the invention is a skin irritation suppressant for suppressing the skin irritation due to a drug and a pharmaceutical ingredient to be used in a transdermal preparation other than the drug, the skin irritation suppressant comprising a sterol compound selected from the group consisting of cholesterol, cholesterol derivatives and cholesterol analogs, and the drug is one or more basic drugs selected from the group consisting of tolterodine, asenapine, bisoprolol, risperidone, nicotine and citalopram, and their pharmaceutically acceptable salts.Type: ApplicationFiled: April 27, 2011Publication date: February 28, 2013Applicant: HISAMITSU PHARMACEUTICAL CO., INC.Inventors: Hidekazu Kuma, Kenji Atarashi, Kazuhiro Suzuki, Kazunosuke Aida
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Publication number: 20130053358Abstract: Provided is a transdermal preparation having low skin irritation as well as a sufficient skin permeability rate of donepezil, which comprises one or more drugs selected from donepezil and pharmaceutically acceptable salts thereof. Also provided are a manufacturing method thereof, and a method for reducing skin irritation of a transdermally absorbable donepezil-containing preparation. An embodiment is a transdermal preparation comprising one or more drugs selected from donepezil and pharmaceutically acceptable salts thereof, and a skin irritation-reducing agent.Type: ApplicationFiled: April 27, 2011Publication date: February 28, 2013Applicant: HISAMITSU PHARMACEUTICAL CO., INC.Inventors: Kazunosuke Aida, Yasunari Michinaka, Kenji Atarashi, Yasunori Takada
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Publication number: 20120322935Abstract: The present aims to provide a resin composition having good molding processability and being capable of affording molded articles that exhibit high heat conductivity and high rigidity, and an inverter component made of this resin composition. The invention relates to a resin composition including 45% by mass to 60% by mass of a thermoplastic resin (A), 20% by mass to 40% by mass of carbon fibers (B), and 10% by mass to 35% by mass of graphite particles (C) having an average particle diameter of larger than 12 ?m and up to 50 ?m, wherein the total content of the carbon fibers (B) and graphite particles (C) is 40% by mass to 55% by mass, the melt flow rate of the resin composition measured at 230° C. under a load of 2.16 kg in accordance with JIS K7210 is 3 g/10 minutes to 30 g/10 minutes.Type: ApplicationFiled: June 14, 2012Publication date: December 20, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Kenji ATARASHI
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Patent number: 8318305Abstract: A resin composition comprising a fiber component and a resin component, wherein the fiber component is (A) a surface-treated fiber (component A) which comprises 100 parts by weight of a fiber comprising a polyalkylene terephthalate and/or a polyalkylene naphthalene dicarboxylate (component Af) and 0.1 to 10 parts by weight of a sizing agent having a glass transition point of ?80° C. or higher and lower than 70° C.Type: GrantFiled: May 25, 2011Date of Patent: November 27, 2012Assignees: Sumitomo Chemical Company, Limited, Teijin Fibers LimitedInventors: Kenji Watanabe, Kenji Atarashi, Kumiko Chatani, Motoomi Arakawa
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Publication number: 20120238674Abstract: Disclosed is a resin composition including a thermoplastic resin (A), carbon fibers (B), graphite particles (C), an absorbent (D) selected from the group consisting of calcium hydroxide, zeolite, and hydrotalcite, and an antioxidant (E) or a combination of an antioxidant (E) and a compound (F) selected from a compound group consisting of compounds represented by CnHn+2 (OH)n wherein n represents an integer of 4 or greater, alkoxy forms derived from compounds represented by the following formula (2), trehalose, sucrose, lactose, maltose, melicitose, stachyose, curdlan, glycogen, glucose, and fructose. A lighting fixture component made of this resin composition is also disclosed.Type: ApplicationFiled: March 8, 2012Publication date: September 20, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenji ATARASHI, Hisakatsu HAMA
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Publication number: 20120238687Abstract: Disclosed is a resin composition comprising from 40% by mass to 65% by mass of a thermoplastic resin (A), from 5% by mass to 10% by mass of carbon fibers (B), and from 30% by mass to 50% by mass of graphite particles (C) having an average particle diameter of larger than 12 ?m and up to 50 ?m where the total amount of the thermoplastic resin (A), the carbon fibers (B), and the graphite particles (C) shall be 100% by mass, wherein the melt flow rate measured at 230° C. and under a load of 2.16 kg in accordance with JIS-K-7210 is from 0.5 g/10 minutes to 30 g/10 minutes. A lighting fixture component made of the resin composition is also disclosed.Type: ApplicationFiled: March 8, 2012Publication date: September 20, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Kenji ATARASHI
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Patent number: 8091953Abstract: In a vehicle ceiling structure, a long reinforcing rib is attached to a ceiling member of the vehicle, the rib being made of a resin having a different coefficient of thermal expansion from that of the ceiling member. The reinforcing rib comprises a plurality of segmented ribs that are divided by a gap in a longitudinal direction. One segmented rib of adjoining segmented ribs and is formed, in upper and lower parts of a front end portion thereof, with an upper protrusion and a lower protrusion protruding in the longitudinal direction. One segmented rib and the other segmented rib fit with each other such that a lower face of the upper protrusion and an upper face of the lower protrusion of the one segmented rib respectively face a rear end portion of the other segmented rib in an up and down direction.Type: GrantFiled: March 18, 2009Date of Patent: January 10, 2012Assignees: Toyota Shatai Kabushiki Kaisha, Hayashi Telempu Co., Ltd., Toyota Boshoku Kabushiki KaishaInventors: Kazuo Fukui, Nobuhide Hashimoto, Teruji Kuroyanagi, Kenji Atarashi, Hiroyuki Ishida, Jun Isami, Toshimitsu Matsuoka
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Publication number: 20110293913Abstract: A resin composition comprising a fiber component and a resin component, wherein the fiber component is (A) a surface-treated fiber (component A) which comprises 100 parts by weight of a fiber comprising a polyalkylene terephthalate and/or a polyalkylene naphthalene dicarboxylate (component Af) and 0.1 to 10 parts by weight of a sizing agent having a glass transition point of ?80° C. or higher and lower than 70° C.Type: ApplicationFiled: May 25, 2011Publication date: December 1, 2011Applicants: TEIJIN FIBERS LIMITED, SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenji WATANABE, Kenji ATARASHI, Kumiko CHATANI, Motoomi ARAKAWA
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Patent number: 8056967Abstract: There is provided a ceiling decorative panel that can be carried easily and reliably even if a dome lamp is disposed in an opening portion. The ceiling decorative panel of the present invention is disposed on an inside of a roof panel of a vehicle body. The ceiling decorative panel includes a recessed portion protruding toward a back face side of the ceiling decorative panel and having the opening portion at a bottom face. The recessed portion retains the dome lamp in itself. A grip that can be raised in a direction same as a protruding direction of the recessed portion so as to be gripped is disposed to be adjacent to the opening portion.Type: GrantFiled: April 1, 2009Date of Patent: November 15, 2011Assignees: Toyota Shatai Kabushiki Kaisha, Toyota Boshoku Kabushiki Kaisha, Hayashi Telempu Co., Ltd.Inventors: Kazuo Fukui, Jun Isami, Toshimitsu Matsuoka, Kenji Atarashi
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Publication number: 20110260096Abstract: A heat dissipator comprising foam of a resin composition, which contains a thermoplastic resin, carbon fiber and a modified polyolefin modified by an unsaturated carboxylic acid or its derivative, wherein the resin composition has a melt flow rate of 5 g/10 minutes or more, and the foam has a foaming ratio of 1.05 to less than 1.70, and has thermal conductivity in a horizontal direction of 1 W/mK or more, and in a vertical direction of 0.6 W/mK or more, measured by a laser flash method; and a part for a lighting equipment comprising the above heat dissipator.Type: ApplicationFiled: January 12, 2011Publication date: October 27, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Kenji ATARASHI
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Publication number: 20110263738Abstract: A foamed article comprising a polyolefin resin composition (I) comprising a polyvinyl alcohol fiber (A), a polyolefin resin (B), and an unsaturated carboxylic acid-modified polyolefin resin and/or an unsaturated carboxylic acid derivative-modified polyolefin resin (C); the polyvinyl alcohol fiber (A) being present in an amount of 1 to 70 mass %, the polyolefin resin (B) being present in an amount of 20 to 98.5 mass %, and the modified polyolefin resin (C) being present in an amount of 0.5 to 40 mass % with respect to the total amount of the polyvinyl alcohol fiber (A), the polyolefin resin (B), and the modified polyolefin resin (C); the foamed article having an expansion ratio ranging from 1.3 to 5; the polyvinyl alcohol fiber (A) comprising polyvinyl alcohol filaments (A-I) and a sizing agent (A-II), the sizing agent (A-II) being present in an amount of 0.1 to 10 parts by mass per 100 parts by mass of the polyvinyl alcohol filaments (A-I).Type: ApplicationFiled: December 18, 2009Publication date: October 27, 2011Applicants: Kuraray Co., LTD., SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yuya Yamamoto, Nobuhiro Usui, Kenji Atarashi, Kenji Watanabe
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Patent number: 8038194Abstract: The deck side trim includes accommodating recesses in which left and right ends of a cover accommodating body are accommodated and disposed. A clamp portion provided at its side with an engaging pawl is provided in the accommodating recess. The clamp portion is provided with an inner hole having an opening at least on the accommodating recess side. A cap body for closing the opening is disposed in the inner hole. The cap body includes a cap leg and a cap head. When the cap leg of the cap body is fitted into the inner hole, the engaging pawl in the clamp portion is pushed outward, and the engaging pawl is engaged with the body engaging portion provided on the vehicle body.Type: GrantFiled: April 1, 2009Date of Patent: October 18, 2011Assignees: Toyota Shatai Kabushiki Kaisha, Hayashi Telempu Co., Ltd.Inventors: Kazuo Fukui, Nobuhide Hashimoto, Teruji Kuroyanagi, Kenji Atarashi, Fumio Sugimoto