Patents by Inventor Shigeru Shimada

Shigeru Shimada 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).

  • Publication number: 20220056056
    Abstract: The present invention provides a method for producing a silanol compound capable of efficiently producing a silanol compound. The method for producing a silanol compound includes a proton exchange step of forming a silanol compound having a structure represented by following formula (c) by reacting a silicate having a structure represented by following formula (a) with an acidic compound having an acid dissociation constant pKa of ?1 to 20 in dimethyl sulfoxide (DMSO). (In formula (a), Qi+ represents an i-valent cation and i represents an integer of 1 to 4).
    Type: Application
    Filed: September 10, 2021
    Publication date: February 24, 2022
    Inventors: Masayasu IGARASHI, Kazuhiko SATO, Fujio YAGIHASHI, Tomohiro MATSUMOTO, Takeshi NOZAWA, Shigeru SHIMADA
  • Patent number: 11203605
    Abstract: An organosilicon compound can be efficiently produced by using metallic element-containing nanoparticles such as a platinum element-containing nanoparticle having a solvent on surface as a catalyst of the hydrosilylation reaction of alkenes.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: December 21, 2021
    Assignee: THE SCHOOL CORPORATION KANSAI UNIVERSITY
    Inventors: Yasushi Obora, Xianjin Lin, Yumiko Nakajima, Shigeru Shimada, Kazuhiko Sato
  • Patent number: 10975107
    Abstract: The purpose of the present invention is to provide a method for producing an oligosiloxane and an oligosiloxane synthesizer, by which an oligosiloxane can be efficiently produced. An oligosiloxane can be efficiently produced by the method for producing an oligosiloxane, which includes a condensation step for generating a hydrosiloxane having a structure represented by the following Formula (d) by reacting an alkoxysilane having a structure represented by the following Formula (b) with a hydrosilane having a structure represented by the following Formula (c) in the presence of a boron compound having Lewis acidity, and a hydrosilylation step for generating an alkoxysiloxane having a structure represented by the following Formula (f) by reacting the hydrosiloxane having the structure represented by Formula (d) generated in the condensation step with a carbonyl compound represented by the following Formula (E) in the presence of a boron compound having Lewis acidity.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: April 13, 2021
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Kazuhiro Matsumoto, Kazuhiko Sato, Shigeru Shimada
  • Publication number: 20210061824
    Abstract: The present invention provides a method for producing a silanol compound capable of efficiently producing a silanol compound. The method for producing a silanol compound includes a proton exchange step of forming a silanol compound having a structure represented by following formula (c) by reacting a silicate having a structure represented by following formula (a) with an acidic compound having an acid dissociation constant pKa of ?1 to 20 in dimethyl sulfoxide (DMSO). (In formula (a), Qi+ represents an i-valent cation and i represents an integer of 1 to 4).
    Type: Application
    Filed: March 5, 2018
    Publication date: March 4, 2021
    Inventors: Masayasu IGARASHI, Kazuhiko SATO, Fujio YAGIHASHI, Tomohiro MATSUMOTO, Takeshi NOZAWA, Shigeru SHIMADA
  • Publication number: 20200283297
    Abstract: A method for producing an oligosilane which includes a reaction step of producing an oligosilane by dehydrogenative coupling of hydrosilane. The reaction step is carried out in the presence of a catalyst containing at least one transition element selected from the group consisting of Periodic Table group 3 transition elements, group 4 transition elements, group 5 transition elements, group 6 transition elements, and group 7 transition elements. Also disclosed is a method for producing a catalyst for dehydrogenative coupling that produces an oligosilane by dehydrogenative coupling of hydrosilane.
    Type: Application
    Filed: February 14, 2017
    Publication date: September 10, 2020
    Applicant: SHOWA DENKO K.K.
    Inventors: Kiyoshi NOMURA, Hiroshi UCHIDA, Yoshimitsu ISHIHARA, Shigeru SHIMADA, Kazuhiko SATO, Masayasu IGARASHI
  • Publication number: 20200079803
    Abstract: The purpose of the present invention is to provide a method for producing an oligosiloxane and an oligosiloxane synthesizer, by which an oligosiloxane can be efficiently produced. An oligosiloxane can be efficiently produced by the method for producing an oligosiloxane, which includes a condensation step for generating a hydrosiloxane having a structure represented by the following Formula (d) by reacting an alkoxysilane having a structure represented by the following Formula (b) with a hydrosilane having a structure represented by the following Formula (c) in the presence of a boron compound having Lewis acidity, and a hydrosilylation step for generating an alkoxysiloxane having a structure represented by the following Formula (f) by reacting the hydrosiloxane having the structure represented by Formula (d) generated in the condensation step with a carbonyl compound represented by the following Formula (E) in the presence of a boron compound having Lewis acidity.
    Type: Application
    Filed: March 1, 2018
    Publication date: March 12, 2020
    Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Kazuhiro MATSUMOTO, Kazuhiko SATO, Shigeru SHIMADA
  • Publication number: 20190337967
    Abstract: An organosilicon compound can be efficiently produced by using metallic element-containing nanoparticles such as a platinum element-containing nanoparticle having a solvent on surface as a catalyst of the hydrosilylation reaction of alkenes.
    Type: Application
    Filed: July 12, 2019
    Publication date: November 7, 2019
    Applicant: THE SCHOOL CORPORATION KANSAI UNIVERSITY
    Inventors: Yasushi OBORA, Xianjin LIN, Yumiko NAKAJIMA, Shigeru SHIMADA, Kazuhiko SATO
  • Publication number: 20190256361
    Abstract: An object of the present invention is to provide an oligosilane production method with which a target oligosilane can be selectively produced. Oligosilanes can be efficiently produced at an improved selectivity for a target oligosilane by using, as a raw material, not only monosilane but also an oligosilane with a smaller number of silicon atoms than the target oligosilane or conversely an oligosilane with a larger number of silicon atoms than the target oligosilane.
    Type: Application
    Filed: June 6, 2017
    Publication date: August 22, 2019
    Applicant: SHOWA DENKO K.K.
    Inventors: Kiyoshi NOMURA, Hiroshi UCHIDA, Yoshimitsu ISHIHARA, Yumiko NAKAJIMA, Shigeru SHIMADA, Kazuhiko SATO
  • Patent number: 10316046
    Abstract: An object of the invention is to provide a method for efficiently producing an acyloxysilane which is useful as a functional chemical, an acyloxysilane obtained thereby, and the use thereof. The present invention provides: a method for producing an acyloxysilane, including a reaction step of reacting an alkoxysilane with a carboxylic anhydride in the presence of a catalyst, wherein the alkoxysilane is a specified alkoxysilane represented by General Formula (I), the carboxylic anhydride is a specified carboxylic acid represented by General Formula (IIA) or (IIB), the catalyst is an acid catalyst, and an acyloxysilane obtained in the reaction step is a specified acyloxysilane represented by General Formula (IIIA) or (IIIB); and the use of the acyloxysilane as a surface treatment agent or the like.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: June 11, 2019
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Hiroshi Yamashita, Makiko Hatori, Michiyo Yoshinaga, Li-Biao Han, Shigeru Shimada, Kazuhiko Sato
  • Patent number: 10308670
    Abstract: The purpose of the present invention is to provide silanol compounds that can be used as raw materials of siloxane compounds and the like, and a composition of the silanol compounds, as well as to provide a production method that makes it possible to produce silanol compounds at excellent yield. A composition comprising 5 mass % to 100 mass % of a silanol compound represented by Formulas (A) to (C) can be prepared by devising to produce silanol compounds under water-free conditions, to produce silanol compounds in a solvent having the effect of suppressing the condensation of silanol compounds, and to perform other such processes, the composition being able to be used as a raw material or the like of siloxane compounds because the silanol compounds can be stably present in the resulting composition.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: June 4, 2019
    Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Masayasu Igarashi, Shigeru Shimada, Kazuhiko Sato, Tomohiro Matsumoto
  • Publication number: 20180044359
    Abstract: An object of the invention is to provide a method for efficiently producing an acyloxysilane which is useful as a functional chemical, an acyloxysilane obtained thereby, and the use thereof. The present invention provides: a method for producing an acyloxysilane, including a reaction step of reacting an alkoxysilane with a carboxylic anhydride in the presence of a catalyst, wherein the alkoxysilane is a specified alkoxysilane represented by General Formula (I), the carboxylic anhydride is a specified carboxylic acid represented by General Formula (IIA) or (IIB), the catalyst is an acid catalyst, and an acyloxysilane obtained in the reaction step is a specified acyloxysilane represented by General Formula (IIIA) or (IIIB); and the use of the acyloxysilane as a surface treatment agent or the like.
    Type: Application
    Filed: March 9, 2016
    Publication date: February 15, 2018
    Inventors: Hiroshi Yamashita, Makiko Hatori, Michiyo Yoshinaga, Li-BIAO Han, Shigeru Shimada, Kazuhiko Sato
  • Publication number: 20170275171
    Abstract: An object of the present invention is to provide a method for producing oligosilane and in particular to provide a method that can efficiently produce oligosilane at lower temperatures and with an improved yield and selectivity. In the dehydrogenative coupling reaction of hydrosilane, oligosilane can be efficiently produced at an improved selectivity for oligosilane, and in particular at an improved selectivity for disilane, by carrying out the reaction in the presence of zeolite having pores with a minor diameter of at least 0.43 nm and a major diameter of not more than 0.69 nm.
    Type: Application
    Filed: August 12, 2015
    Publication date: September 28, 2017
    Applicant: SHOWA DENKO K.K.
    Inventors: Yoshimitsu ISHIHARA, Hideaki HAMADA, Shigeru SHIMADA, Kazuhiko SATO, Masayasu IGARASHI, Hiroshi UCHIDA
  • Patent number: 9735374
    Abstract: A metal complex exhibits blue light emission of high color purity and has a color purity of small temperature dependence, particularly in the blue region. Specifically, the metal complex is represented by Formula (1a): wherein M is a metal atom; R0 is a divalent linking group; each j independently represents 0 or 1; RP1, RP2, RP3, RP4 and RP6 each independently represents a hydrogen atom or the like; RP5 represents a halogen atom or the like; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom, an oxygen atom or a nitrogen atom.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: August 15, 2017
    Assignees: SUMITOMO CHEMICAL COMPANY, LIMITED, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Nobuhiko Akino, Taichi Abe, Hideo Konno, Shigeru Shimada, Kazuhiko Sato
  • Patent number: 9705097
    Abstract: A highly stable metal complex useful for the manufacture of a light-emitting device has an excellent lifetime property, particularly in a blue region, specifically a metal complex represented by Formula (1): wherein M is a metal atom; each R0 independently represents a divalent linking group; i and j each independently represent 0 or 1; RP1, RP2, RP3, RP4, RP5 and RP6 each independently represent a hydrogen atom and the like, with a proviso that at least one of RP1, RP2, RP3, RP4, RP5 and RP6 is a dendron; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom and the like.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: July 11, 2017
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Nobuhiko Akino, Taichi Abe, Hideo Konno, Shigeru Shimada, Kazuhiko Sato
  • Publication number: 20170183363
    Abstract: The purpose of the present invention is to provide silanol compounds that can be used as raw materials of siloxane compounds and the like, and a composition of the silanol compounds, as well as to provide a production method that makes it possible to produce silanol compounds at excellent yield. A composition comprising 5 mass % to 100 mass % of a silanol compound represented by Formulas (A) to (C) can be prepared by devising to produce silanol compounds under water-free conditions, to produce silanol compounds in a solvent having the effect of suppressing the condensation of silanol compounds, and to perform other such processes, the composition being able to be used as a raw material or the like of siloxane compounds because the silanol compounds can be stably present in the resulting composition.
    Type: Application
    Filed: February 3, 2015
    Publication date: June 29, 2017
    Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Masayasu Igarashi, Shigeru Shimada, Kazuhiko Sato, Tomohiro Matsumoto
  • Patent number: 8987505
    Abstract: An alternative method for efficiently producing lactic acids from a carbohydrate-containing raw material such as cellulose is provided. The method for producing lactic acid and/or lactic acid ester comprises performing heat treatment on a carbohydrate-containing raw material in a solvent containing a catalyst, wherein the catalyst is at least one type of compound selected from the group consisting of a tin compound, an indium compound, and a rhenium compound, and the solvent contains water and/or alcohol.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: March 24, 2015
    Assignees: Nippon Shokubai Co., Ltd, National Institute of Advanced Industrial Science and Technology
    Inventors: Kenichi Tominaga, Atsushi Mori, Kazuhiko Satoh, Shigeru Shimada, Hideaki Tsuneki, Yoshiaki Hirano
  • Publication number: 20150014669
    Abstract: A metal complex exhibits blue light emission of high color purity and has a color purity of small temperature dependence, particularly in the blue region. Specifically, the metal complex is represented by Formula (1a): wherein M is a metal atom; R0 is a divalent linking group; each j independently represents 0 or 1; RP1, RP2, RP3, RP4 and RP6 each independently represents a hydrogen atom or the like; RP5 represents a halogen atom or the like; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom, an oxygen atom or a nitrogen atom.
    Type: Application
    Filed: January 10, 2013
    Publication date: January 15, 2015
    Inventors: Nobuhiko Akino, Taichi Abe, Hideo Konno, Shigeru Shimada, Kazuhiko Sato
  • Publication number: 20140374727
    Abstract: A highly stable metal complex useful for the manufacture of a light-emitting device has an excellent lifetime property, particularly in a blue region, specifically a metal complex represented by Formula (1): wherein M is a metal atom; each R0 independently represents a divalent linking group; i and j each independently represent 0 or 1; RP1, RP2, RP3, RP4, RP5 and RP6 resent each independently rep a hydrogen atom and the like, with a proviso that at least one of RP1, RP2, RP3, RP4, RP5 and RP6 is a dendron; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom and the like.
    Type: Application
    Filed: January 10, 2013
    Publication date: December 25, 2014
    Inventors: Nobuhiko Akino, Taichi Abe, Hideo Konno, Shigeru Shimada, Kazuhiko Sato
  • Publication number: 20140031579
    Abstract: A method of producing a norbornanedicarboxylic acid ester, the method including a step of reacting a norbornadiene and a formic acid ester in the presence of a ruthenium compound, a cobalt compound, a halide salt and a basic compound.
    Type: Application
    Filed: April 13, 2012
    Publication date: January 30, 2014
    Applicants: National Institute of Advanced Industrial Science and Technology
    Inventors: Hiroyuki Kawakami, Ken-ichi Tominaga, Shigeru Shimada, Kazuhiko Sato
  • Patent number: 8548737
    Abstract: A navigation apparatus comprises a map display control unit that displays a map on a display monitor, a voice information outputting unit that outputs voice information related to traveling of a vehicle, and a highlighting unit that highlights a part of the map that corresponds to the voice information in synchronization with output of the voice information by the voice information outputting unit.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: October 1, 2013
    Assignee: Xanavi Informatics Corporation
    Inventors: Yuta Kobayashi, Noriyuki Abe, Katsuya Asada, Shigeru Shimada, Kishiko Maruyama, Akinori Asahara