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).

  • Patent number: 9969688
    Abstract: 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: Grant
    Filed: October 21, 2015
    Date of Patent: May 15, 2018
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Atsushi Sonobe, Takashi Yasukochi, Yasunori Takada, Kenji Atarashi, Motohiro Suzuki, Shinichi Yokota
  • Publication number: 20170233343
    Abstract: 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: Application
    Filed: October 21, 2015
    Publication date: August 17, 2017
    Applicant: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Atsushi SONOBE, Takashi YASUKOCHI, Yasunori TAKADA, Kenji ATARASHI, Motohiro SUZUKI, Shinichi YOKOTA
  • Patent number: 8957157
    Abstract: 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: Grant
    Filed: September 6, 2013
    Date of Patent: February 17, 2015
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kenji Atarashi, Tetsuro Dobashi
  • Patent number: 8895644
    Abstract: 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: Grant
    Filed: March 8, 2012
    Date of Patent: November 25, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kenji Atarashi, Hisakatsu Hama
  • Publication number: 20140271796
    Abstract: 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: Application
    Filed: October 23, 2012
    Publication date: September 18, 2014
    Inventors: Kenji Atarashi, Kazuhiro Suzuki, Akio Takeuchi, Hidekazu Kuma
  • Patent number: 8674016
    Abstract: 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: Grant
    Filed: August 28, 2009
    Date of Patent: March 18, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tetsuro Dobashi, Kenji Atarashi
  • Publication number: 20140066574
    Abstract: 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: Application
    Filed: September 6, 2013
    Publication date: March 6, 2014
    Inventors: Kenji ATARASHI, Tetsuro DOBASHI
  • Patent number: 8524804
    Abstract: 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: Grant
    Filed: January 22, 2009
    Date of Patent: September 3, 2013
    Assignees: Sumitomo Chemical Company, Limited, Teijin Fibers Limited
    Inventors: Katsuhisa Kitano, Kenji Watanabe, Kenji Atarashi, Shinichi Takahashi
  • Publication number: 20130053357
    Abstract: 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: Application
    Filed: April 27, 2011
    Publication date: February 28, 2013
    Applicant: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Hidekazu Kuma, Kenji Atarashi, Kazuhiro Suzuki, Kazunosuke Aida
  • Publication number: 20130053358
    Abstract: 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: Application
    Filed: April 27, 2011
    Publication date: February 28, 2013
    Applicant: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Kazunosuke Aida, Yasunari Michinaka, Kenji Atarashi, Yasunori Takada
  • Publication number: 20120322935
    Abstract: 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: Application
    Filed: June 14, 2012
    Publication date: December 20, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Kenji ATARASHI
  • Patent number: 8318305
    Abstract: 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: Grant
    Filed: May 25, 2011
    Date of Patent: November 27, 2012
    Assignees: Sumitomo Chemical Company, Limited, Teijin Fibers Limited
    Inventors: Kenji Watanabe, Kenji Atarashi, Kumiko Chatani, Motoomi Arakawa
  • Publication number: 20120238674
    Abstract: 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: Application
    Filed: March 8, 2012
    Publication date: September 20, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji ATARASHI, Hisakatsu HAMA
  • Publication number: 20120238687
    Abstract: 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: Application
    Filed: March 8, 2012
    Publication date: September 20, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Kenji ATARASHI
  • Patent number: 8091953
    Abstract: 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: Grant
    Filed: March 18, 2009
    Date of Patent: January 10, 2012
    Assignees: Toyota Shatai Kabushiki Kaisha, Hayashi Telempu Co., Ltd., Toyota Boshoku Kabushiki Kaisha
    Inventors: Kazuo Fukui, Nobuhide Hashimoto, Teruji Kuroyanagi, Kenji Atarashi, Hiroyuki Ishida, Jun Isami, Toshimitsu Matsuoka
  • Publication number: 20110293913
    Abstract: 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: Application
    Filed: May 25, 2011
    Publication date: December 1, 2011
    Applicants: TEIJIN FIBERS LIMITED, SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji WATANABE, Kenji ATARASHI, Kumiko CHATANI, Motoomi ARAKAWA
  • Patent number: 8056967
    Abstract: 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: Grant
    Filed: April 1, 2009
    Date of Patent: November 15, 2011
    Assignees: Toyota Shatai Kabushiki Kaisha, Toyota Boshoku Kabushiki Kaisha, Hayashi Telempu Co., Ltd.
    Inventors: Kazuo Fukui, Jun Isami, Toshimitsu Matsuoka, Kenji Atarashi
  • Publication number: 20110260096
    Abstract: 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: Application
    Filed: January 12, 2011
    Publication date: October 27, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Kenji ATARASHI
  • Publication number: 20110263738
    Abstract: 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: Application
    Filed: December 18, 2009
    Publication date: October 27, 2011
    Applicants: Kuraray Co., LTD., SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yuya Yamamoto, Nobuhiro Usui, Kenji Atarashi, Kenji Watanabe
  • Patent number: 8038194
    Abstract: 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: Grant
    Filed: April 1, 2009
    Date of Patent: October 18, 2011
    Assignees: Toyota Shatai Kabushiki Kaisha, Hayashi Telempu Co., Ltd.
    Inventors: Kazuo Fukui, Nobuhide Hashimoto, Teruji Kuroyanagi, Kenji Atarashi, Fumio Sugimoto