Patents by Inventor Takeshi Nishimura

Takeshi Nishimura 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: 9637584
    Abstract: Provided is a method for producing a molded product comprising a step for preparing a polymerizable composition for optical materials and a step for curing the polymerizable composition for optical materials to produce the molded product. The step for preparing the polymerizable composition for optical materials comprises a step for preparing a defined polythiol compound and a step for preparing the polymerizable composition for optical materials from the polythiol compound. The step for preparing the defined polythiol compound comprises reacting 2-mercaptoethanol with a defined epihalohydrin compound at a temperature of 10° C. to 50° C.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: May 2, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Patent number: 9605105
    Abstract: Provided is a method for producing a molded product comprising preparing a polymerizable composition for optical materials and curing the polymerizable composition for optical materials to produce the molded product. The preparation of the polymerizable composition comprises preparing a polythiol compound containing, as a main component, one kind or two or more kinds selected from a defined group of compounds, and preparing the polymerizable composition from the polythiol compound.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: March 28, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Publication number: 20160122562
    Abstract: Transparent conductive films are described based on sparse metal conductive layers. Stabilization with respect to degradation of electrical conductivity over time is provided for the sparse metal conductive layers through the design of additional layers in the film. Specifically, the sparse metal conductive layer can be placed adjacent coatings with appropriate stabilization compositions as well as through the incorporation into the film of various additional protective layers.
    Type: Application
    Filed: October 29, 2014
    Publication date: May 5, 2016
    Inventors: Xiqiang Yang, Hua Gu, Yung-Yu Huang, Arthur Yung-Chi Cheng, Ajay Virkar, Ryomei Omote, Kazuhiro Nishikawa, Takeshi Nishimura, Yoshitaka Emoto
  • Publication number: 20160024242
    Abstract: Provided is a method for producing a molded product comprising a step for preparing a polymerizable composition for optical materials and a step for curing the polymerizable composition for optical materials to produce the molded product. The step for preparing the polymerizable composition for optical materials comprises a step for preparing a defined polythiol compound and a step for preparing the polymerizable composition for optical materials from the polythiol compound. The step for preparing the defined polythiol compound comprises reacting 2-mercaptoethanol with a defined epihalohydrin compound at a temperature of 10° C. to 50° C.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 28, 2016
    Applicant: MITSUI CHEMICALS., INC.
    Inventors: Masaru KAWAGUCHI, Takeshi NISHIMURA
  • Publication number: 20160017085
    Abstract: Provided is a method for producing a molded product comprising preparing a polymerizable composition for optical materials and curing the polymerizable composition for optical materials to produce the molded product. The preparation of the polymerizable composition comprises preparing a polythiol compound containing, as a main component, one kind or two or more kinds selected from a defined group of compounds, and preparing the polymerizable composition from the polythiol compound.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 21, 2016
    Applicant: MITSUI CHEMICALS., INC.
    Inventors: Masaru KAWAGUCHI, Takeshi NISHIMURA
  • Patent number: 9206119
    Abstract: There is provided a process for preparing ?-mercaptocarboxylic acid represented by the following General Formula (3) comprising step of reacting hydrogen sulfide, alkali hydroxide represented by a formula: XOH (X represents Na or K), and unsaturated carboxylic acid represented by the following General Formula (1) under atmospheric pressure to obtain a reaction solution including a compound represented by the following General Formula (2) and step of neutralizing the reaction solution in an acid. An amount of the alkali hydroxide is equal to or greater than total moles of the unsaturated carboxylic acid and the hydrogen sulfide.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: December 8, 2015
    Assignee: MITSUI CHEMICALS INC.
    Inventors: Masayuki Furuya, Tatsuya Ogawa, Takeshi Nishimura
  • Patent number: 9181179
    Abstract: Provided is a method for producing a polythiol compound, comprising: a step for reacting 2-mercaptoethanol with a defined epihalohydrin compound at a temperature of 10° C. to 50° C. to obtain a defined polyalcohol compound; a step for reacting the polyalcohol compound thus obtained with thiourea in the presence of hydrogen chloride to obtain an isothiuronium salt; a step for adding, while maintaining a reaction solution containing the isothiuronium salt thus obtained at a temperature of 15° C. to 60° C., aqueous ammonia to the reaction solution within 80 minutes, thereby hydrolyzing the isothiuronium salt to obtain a defined polythiol compound; and a step for adding hydrochloric acid which is a concentration of 25% to 36% to the solution containing the polythiol compound thus obtained, washing the solution at a temperature of 10° C. to 50° C. to purify the polythiol compound.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: November 10, 2015
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Patent number: 9181180
    Abstract: Provided is a method for producing a polythiol compound, comprising: a step for reacting a polyalcohol compound represented by defined formula (4) with thiourea in the presence of hydrogen chloride to obtain an isothiuronium salt; a step for adding, while maintaining a reaction solution containing the isothiuronium salt thus obtained at a temperature of 20° C. to 60° C., aqueous ammonia to the reaction solution within 80 minutes, thereby hydrolyzing the isothiuronium salt to obtain a polythiol compound containing, as a main component, one kind or two or more kinds selected from the group consisting of compounds represented by defined formulae (6) to (8); and a step for adding hydrochloric acid which is a concentration of 30% to 36% to the solution containing the polythiol compound thus obtained, washing the solution at a temperature of 30° C. to 55° C. to purify the polythiol compound.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: November 10, 2015
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Publication number: 20150290094
    Abstract: The invention provides surface-treated spherical calcium carbonate particles for use in cosmetics which comprise spherical calcium carbonate particles having a volume mean diameter in a range of 0.5 to 20 ?m, and having on their surfaces a hydrous silica coating, and further a silicone oil coating on the hydrous silica coating. The surface-treated spherical calcium carbonate particles for use in cosmetics are obtained by forming a hydrous silica coating on the surfaces of spherical calcium carbonate particles, and then by forming a silicone oil coating on the surfaces of the hydrous silica coating of the particles.
    Type: Application
    Filed: October 16, 2013
    Publication date: October 15, 2015
    Inventors: Hiroyuki Izumikawa, Seiji Sakamoto, Takeshi Nishimura
  • Patent number: 9133112
    Abstract: A process for preparing ?-mercaptocarboxylic acid is provided with Step a for reacting a compound represented by a formula: X12S or a compound represented by a formula: X2SH, alkali hydroxide represented by a formula: X3OH (the X groups being defined), and unsaturated carboxylic acid represented by the following General Formula (1) to obtain a reaction solution including a compound represented by the following General Formula (2) and a compound represented by the following General Formula (3), Step b for neutralizing the reaction solution obtained in Step a with an acid to obtain a reaction solution including ?-mercaptocarboxylic acid represented by the following General Formula (4) and a compound represented by the following General Formula (5), Step c for distillation-refining the reaction solution obtained in Step b to obtain the ?-mercaptocarboxylic acid, and Step d for returning a distillation residue in Step c to Step a.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: September 15, 2015
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masayuki Furuya, Tatsuya Ogawa, Takeshi Nishimura
  • Publication number: 20150217541
    Abstract: A multi-layer film having excellent surface hardness and transparency, a small heat shrinkage factor and such high brittleness that it is easily trimmed after decorative molding. The multi-layer film comprises a layer (layer A) which contains a polycarbonate resin having a viscosity average molecular weight of 13,000 or more to less than 20,000 and layers (layer B-1 and layer B-2) which contain an acrylic resin and are formed on both sides of the layer A, respectively, wherein the total thickness of the multi-layer film is 50 to 200 ?m, and the thickness of the layer A accounts for 5 to 30% of the total thickness.
    Type: Application
    Filed: August 2, 2013
    Publication date: August 6, 2015
    Inventors: Shoichi Maekawa, Junichi Shibata, Takeshi Nishimura, Shuichi Taya
  • Publication number: 20150132646
    Abstract: The purpose of the invention is to obtain a negative electrode for a large-capacity nonaqueous electrolyte rechargeable battery having good cycle characteristics. In the present invention, a negative electrode for a nonaqueous electrolyte rechargeable battery is used as a solution, said negative electrode being characterized by having an active material layer on a current collector, said active material layer containing at least granules, and one or more types of coating binder comprising any of a polyimide, polybenzimidazole, polyamide-imide and polyamide. The negative electrode is further characterized in that the granules contain at least active material particles containing: at least one type of element selected from a group comprising Si, Sn, Al, Pb, Sb, Bi, Ge, In and Zn; and a granulation binder.
    Type: Application
    Filed: November 6, 2014
    Publication date: May 14, 2015
    Inventors: Hideo NISHIKUBO, Takeshi NISHIMURA, Toshio TANI, Koji HATAYA, Toshiya HIKAMI, Masaaki KUBOTA, Hidetoshi ABE
  • Publication number: 20150133692
    Abstract: Provided is a method for producing a polythiol compound, comprising: a step for reacting 2-mercaptoethanol with a defined epihalohydrin compound at a temperature of 10° C. to 50° C. to obtain a defined polyalcohol compound; a step for reacting the polyalcohol compound thus obtained with thiourea in the presence of hydrogen chloride to obtain an isothiuronium salt; a step for adding, while maintaining a reaction solution containing the isothiuronium salt thus obtained at a temperature of 15° C. to 60° C., aqueous ammonia to the reaction solution within 80 minutes, thereby hydrolyzing the isothiuronium salt to obtain a defined polythiol compound; and a step for adding hydrochloric acid which is a concentration of 25% to 36% to the solution containing the polythiol compound thus obtained, washing the solution at a temperature of 10° C. to 50° C. to purify the polythiol compound.
    Type: Application
    Filed: February 28, 2013
    Publication date: May 14, 2015
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Publication number: 20150126781
    Abstract: Provided is a method for producing a polythiol compound, comprising: a step for reacting a polyalcohol compound represented by the following formula (4) with thiourea in the presence of hydrogen chloride to obtain an isothiuronium salt; a step for adding, while maintaining a reaction solution containing the isothiuronium salt thus obtained at a temperature of 20° C. to 60° C., aqueous ammonia to the reaction solution within 80 minutes, thereby hydrolyzing the isothiuronium salt to obtain a polythiol compound containing, as a main component, one kind or two or more kinds selected from the group consisting of compounds represented by the following formulae (6) to (8); and a step for adding hydrochloric acid which is a concentration of 30% to 36% to the solution containing the polythiol compound thus obtained, washing the solution at a temperature of 30° C. to 55° C. to purify the polythiol compound.
    Type: Application
    Filed: February 28, 2013
    Publication date: May 7, 2015
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Patent number: 9014089
    Abstract: When accepting an establishment request (Cx-LIR) for establishing an information communication path between a sending-side UE and a receiving-side UE, an HSS performs control so as to establish the information communication path between the sending-side UE and the receiving-side UE via an MGW and an existing 3G network if the receiving-side UE exists in an IMS network and is a communication interception target terminal.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: April 21, 2015
    Assignee: NEC Corporation
    Inventors: Yusuke Miyagawa, Takayuki Kido, Takeshi Nishimura, Yasuhiro Watanabe, Hiroaki Akiyama
  • Publication number: 20150094443
    Abstract: A polythiol composition according to the present invention includes a polythiol compound (A) having three or more mercapto groups and a nitrogen-containing compound (B) in which one of a mercapto group of the polythiol compound (A) is replaced with a group represented by the following formula (a) and other one of a mercapto group of the polythiol compound (A) is replaced with a hydroxyl group, in which the peak area of the nitrogen-containing compound (B) is equal to or less than 3.0 with respect to the peak area of 100 of the polythiol compound (A) in a high performance liquid chromatography measurement.
    Type: Application
    Filed: August 13, 2013
    Publication date: April 2, 2015
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Patent number: 8980428
    Abstract: Porous silicon particles and complex porous silicon particles suitable for negative electrode materials etc. for lithium-ion batteries, which achieve high capacity and good cycling characteristics, are provided. Porous silicon particles formed by the joining of a plurality of silicon microparticles, and having an average particle diameter of 0.1 ?m to 1000 ?m, a three-dimensional network structure having continuous gaps, an average porosity of 15 to 93%, and a structure in which the particles of a whole particle are uniform. Complex porous silicon particles formed by the joining of a plurality of silicon microparticles and a plurality of silicon compound particles, and characterized by containing a compound of silicon and composite elements, having an average particle diameter of 0.1 ?m to 1000 ?m, and having a three-dimensional network structure having continuous gaps.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: March 17, 2015
    Assignees: Furukawa Electric Co., Ltd., Tohoku Techno Arch Co., Ltd.
    Inventors: Hirokazu Yoshida, Kazutomi Miyoshi, Kazuhiko Kurusu, Toshio Tani, Koji Hataya, Takeshi Nishimura, Hidemi Kato, Takeshi Wada
  • Patent number: 8958007
    Abstract: A zoom lens includes a first lens unit having negative refractive power, a second lens unit having positive refractive power, a third lens unit having negative refractive power, and a fourth lens unit having positive refractive power, in order from an object side to an image side, each lens unit moving during zooming, and the third lens unit moving toward the object side during focusing from an infinitely-distant object to a nearby object. A focal length f3 of the third lens unit, a composite focal length f12t of the first lens unit and the second lens unit at a telephoto end, a focal length fw of the entire system at a wide-angle end, and a focal length ft of the entire system at the telephoto end are appropriately set.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: February 17, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takeshi Nishimura
  • Patent number: 8880094
    Abstract: Provided is a broadcast control apparatus that realizes broadcasting to a predetermined distribution area, as in an existing public mobile communication network in a communication system using a femto cell base station. The broadcast control apparatus includes a database, in which location information of the femto cell base station existing in a predetermined distribution area section is associated with the distribution area section. The broadcast control apparatus also includes update means for updating the association in the database based on the location information of the femto cell base station received by reception means.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: November 4, 2014
    Assignee: NEC Corporation
    Inventors: Osamu Kurokawa, Yasuhiro Watanabe, Hiroaki Akiyama, Daisuke Nakamura, Takeshi Nishimura, Takuo Akimoto
  • Publication number: 20140323761
    Abstract: A process for preparing ?-mercaptocarboxylic acid is provided with Step a for reacting a compound represented by a formula: X12S or a compound represented by a formula: X2SH, alkali hydroxide represented by a formula: X3OH (the X groups being defined), and unsaturated carboxylic acid represented by the following General Formula (1) to obtain a reaction solution including a compound represented by the following General Formula (2) and a compound represented by the following General Formula (3), Step b for neutralizing the reaction solution obtained in Step a with an acid to obtain a reaction solution including ?-mercaptocarboxylic acid represented by the following General Formula (4) and a compound represented by the following General Formula (5), Step c for distillation-refining the reaction solution obtained in Step b to obtain the ?-mercaptocarboxylic acid, and Step d for returning a distillation residue in Step c to Step a.
    Type: Application
    Filed: November 20, 2012
    Publication date: October 30, 2014
    Inventors: Masayuki Furuya, Tatsuya Ogawa, Takeshi Nishimura