Patents by Inventor Takahiro Matsuyama

Takahiro Matsuyama 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: 11458223
    Abstract: Provided is a discharge device that can improve the efficiency of generating reactive species. The discharge device includes a discharging unit, which has a tip end and discharges from the tip end in response to an application of a voltage, an induction electrode, which forms an electric field between the induction electrode end the discharging unit, and a second electrode, which is disposed between the discharging unit and the induction electrode and receives a voltage having a polarity the same as a polarity of the voltage applied to the discharging unit.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: October 4, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tetsuya Ezaki, Nobuyuki Ohe, Takahiro Matsuyama
  • Patent number: 10980909
    Abstract: An ion generating device (1) includes discharge electrodes (21?22) each having a plurality of electrically conductive members (25?26) which form respective tip surfaces (36?37). A longer dimension direction of the tip surfaces (36?37) is nonparallel to an air sending direction (A). This allows for efficient release of ions.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: April 20, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Satoshi Okano, Tetsuya Ezaki, Takahiro Matsuyama, Nobuyuki Ohe, Mitsuyoshi Yamashita, Minako Taniguchi
  • Publication number: 20200054780
    Abstract: Provided is a discharge device that can improve the efficiency of generating reactive species. The discharge device includes a discharging unit, which has a tip end and discharges from the tip end in response to an application of a voltage, an induction electrode, which forms an electric field between the induction electrode end the discharging unit, and a second electrode, which is disposed between the discharging unit and the induction electrode and receives a voltage having a polarity the same as a polarity of the voltage applied to the discharging unit.
    Type: Application
    Filed: September 1, 2017
    Publication date: February 20, 2020
    Inventors: TETSUYA EZAKI, NOBUYUKI OHE, TAKAHIRO MATSUYAMA
  • Publication number: 20190359577
    Abstract: The present invention relates to defined quinoxalin-2-one compounds or a pharmaceutically acceptable salt or a hydrate or a solvate thereof. The compounds, salts or hydrates have a glucocorticoid receptor agonist activity, and are useful as a medicine, in particular as a prophylactic or therapeutic agent for a glucocorticoid receptor related disease.
    Type: Application
    Filed: August 6, 2019
    Publication date: November 28, 2019
    Applicant: Santen Pharmaceutical Co., Ltd.
    Inventors: Kenji KAWASHIMA, Yusuke YAMAZAKI, Shinji TAKAOKA, Daisuke SHII, Tomoko ODA, Takahiro MATSUYAMA
  • Patent number: 10435379
    Abstract: The present invention relates to defined quinoxalin-2-one compounds or a pharmaceutically acceptable salt or a hydrate or a solvate thereof. The compounds, salts or hydrates have a glucocorticoid receptor agonist activity, and are useful as a medicine, in particular as a prophylactic or therapeutic agent for a glucocorticoid receptor related disease.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: October 8, 2019
    Assignee: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Kenji Kawashima, Yusuke Yamazaki, Shinji Takaoka, Daisuke Shii, Tomoko Oda, Takahiro Matsuyama
  • Publication number: 20190106393
    Abstract: The present invention relates to defined quinoxalin-2-one compounds or a pharmaceutically acceptable salt or a hydrate or a solvate thereof. The compounds, salts or hydrates have a glucocorticoid receptor agonist activity, and are useful as a medicine, in particular as a prophylactic or therapeutic agent for a glucocorticoid receptor related disease.
    Type: Application
    Filed: December 5, 2018
    Publication date: April 11, 2019
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Kenji KAWASHIMA, Yusuke YAMAZAKI, Shinji TAKAOKA, Daisuke SHII, Tomoko ODA, Takahiro MATSUYAMA
  • Patent number: 10189796
    Abstract: The present invention relates to a novel [4-(1,3,3-trimethyl-2-oxo-3,4-dihydro-1H-quinoxalin-7-yl)phenoxy]ethyloxy compound or a salt thereof. The compound or a salt thereof of the present invention has a glucocorticoid receptor agonist activity, and is useful as a medicine, in particular as a prophylactic or therapeutic agent for the glucocorticoid receptor related disease.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: January 29, 2019
    Assignee: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Kenji Kawashima, Yusuke Yamazaki, Shinji Takaoka, Daisuke Shii, Tomoko Oda, Takahiro Matsuyama
  • Publication number: 20180243462
    Abstract: An ion generating device (1) includes discharge electrodes (21?22) each having a plurality of electrically conductive members (25?26) which form respective tip surfaces (36?37). A longer dimension direction of the tip surfaces (36?37) is nonparallel to an air sending direction (A). This allows for efficient release of ions.
    Type: Application
    Filed: October 13, 2016
    Publication date: August 30, 2018
    Inventors: SATOSHI OKANO, TETSUYA EZAKI, TAKAHIRO MATSUYAMA, NOBUYUKI OHE, MITSUYOSHI YAMASHITA, MINAKO TANIGUCHI
  • Publication number: 20180244633
    Abstract: The present invention relates to a novel [4-(1,3,3-trimethyl-2-oxo-3,4-dihydro-1H-quinoxalin-7-yl)phenoxy]ethyloxy compound or a salt thereof. The compound or a salt thereof of the present invention has a glucocorticoid receptor agonist activity, and is useful as a medicine, in particular as a prophylactic or therapeutic agent for the glucocorticoid receptor related disease.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 30, 2018
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Kenji KAWASHIMA, Yusuke YAMAZAKI, Shinji TAKAOKA, Daisuke SHII, Tomoko ODA, Takahiro MATSUYAMA
  • Publication number: 20180006322
    Abstract: In a secondary battery including a large-sized electrode group including stacked positive and negative electrode plates, an electrode plate in which failures such as the separation and cracking of an active material layer and the abrasion and cracking of a current collector are unlikely to occur is provided. An electrode plate 21 includes a coated region CR where active material layers 21a are formed and an uncoated region NC where no active material layer is formed and has a configuration in which a boundary section between the coated region and the uncoated region is provided with a first buffer region C2 having a non-linear irregular shape in plan view.
    Type: Application
    Filed: September 13, 2017
    Publication date: January 4, 2018
    Inventors: Shumpei NISHINAKA, Naoto NISHIMURA, Takahiro MATSUYAMA, Isao ASAKO, Motoaki NISHIJIMA, Satoshi ARIMA, Hisayuki UTSUMI
  • Patent number: 9735420
    Abstract: A positive electrode for lithium ion secondary batteries includes a collector and a positive electrode active material layer formed on at least one surface of the collector. The positive electrode active material layer contains a lithium-containing metal oxide having a unit cell represented by the following formula and a conductive material and has voids with a volume of 0.82×10?3 cm3/cm2 to 7.87×10?3 cm3/cm2 per unit area of the collector: LiFe1-xZrxP1-ySiyO4??(1) where 0<x<1 and 0<y<1. The unit cell has lattice constants satisfying 10.326?a?10.335, 6.006?b?6.012, and 4.685?c?4.714. The sum of the volume of the lithium-containing metal oxide and the volume of the conductive material is 1.61×10?3 cm3/cm2 to 6.46×10?3 cm3/cm2 per unit area of the collector.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: August 15, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Isao Asako, Naoto Nishimura, Tomohisa Yoshie, Takahiro Matsuyama, Shougo Esaki, Shumpei Nishinaka, Yuichi Kamimura
  • Publication number: 20160359169
    Abstract: The aqueous paste for an electrochemical cell of the present invention comprises an aqueous dispersion for an electrochemical cell that comprises an olefin copolymer (a); an active material; and a conductive assistant, wherein the olefin copolymer (a) has a weight average molecular weight of not less than 50,000 and is at least one kind selected from a random propylene copolymer (a-1) containing 50% by weight to less than 85% by weight of a structural unit derived from propylene; an acid-modified random propylene copolymer (a-2) obtained by modifying the copolymer (a-1) with an acid; and an ethylene-(meth)acrylic acid copolymer (a-3) containing 5% by weight to less than 25% by weight of a structural unit derived from (meth)acrylic acid.
    Type: Application
    Filed: August 19, 2016
    Publication date: December 8, 2016
    Applicants: MITSUI CHEMICALS, INC., SHARP KABUSHIKI KAISHA
    Inventors: Gen MIYATA, Akinori ETOH, Takehito MITATE, Naoto NISHIMURA, Takahiro MATSUYAMA, Syumpei NISHINAKA
  • Publication number: 20160056453
    Abstract: A positive electrode for lithium ion secondary batteries includes a collector and a positive electrode active material layer formed on at least one surface of the collector. The positive electrode active material layer contains a lithium-containing metal oxide having a unit cell represented by the following formula and a conductive material and has voids with a volume of 0.82×10?3 cm3/cm2 to 7.87×10?3 cm3/cm2 per unit area of the collector: LiFe1-xZrxP1-ySiyO4??(1) where 0<x<1 and 0<y<1. The unit cell has lattice constants satisfying 10.326?a?10.335, 6.006?b?6.012, and 4.685?c?4.714. The sum of the volume of the lithium-containing metal oxide and the volume of the conductive material is 1.61×10?3 cm3/cm2 to 6.46×10?3 cm3/cm2 per unit area of the collector.
    Type: Application
    Filed: April 23, 2014
    Publication date: February 25, 2016
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Isao ASAKO, Naoto NISHIMURA, Tomohisa YOSHIE, Takahiro MATSUYAMA, Shougo ESAKI, Shumpei NISHINAKA, Yuichi KAMIMURA
  • Publication number: 20150295291
    Abstract: An electrode body for batteries of the invention includes a first metal portion configured to include metal as an electrode active material as a main component, a first structural member configured to cover a part of a surface of the first metal portion, and a coating member configured to cover the other part of the surface of the first metal portion. The first metal portion, the first structural member, and the coating member are provided such that the first metal portion is divided between the first structural member and the coating member or the coating member is separated from the first metal portion to expose the metal included in the first metal portion.
    Type: Application
    Filed: October 7, 2013
    Publication date: October 15, 2015
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Shunsuke SATA, Akihito YOSHIDA, Tomohisa YOSHIE, Masaki KAGA, Shinobu TAKENAKA, Nobuhiko OKA, Kazuya SAKASHITA, Takahiro MATSUYAMA, Hisayuki UTSUMI, Yuichi KAMIMURA
  • Publication number: 20150244017
    Abstract: In a secondary battery including a large-sized electrode group including stacked positive and negative electrode plates, an electrode plate in which failures such as the separation and cracking of an active material layer and the abrasion and cracking of a current collector are unlikely to occur is provided. An electrode plate 21 includes a coated region CR where active material layers 21a are formed and an uncoated region NC where no active material layer is formed and has a configuration in which a boundary section between the coated region and the uncoated region is provided with a first buffer region C2 having a non-linear irregular shape in plan view.
    Type: Application
    Filed: August 28, 2013
    Publication date: August 27, 2015
    Inventors: Shumpei Nishinaka, Naoto Nishimura, Takahiro Matsuyama, Isao Asako, Motoaki Nishijima, Satoshi Arima, Hisayuki Utsumi
  • Patent number: 8968930
    Abstract: An electrode for a nonaqueous electrolyte secondary battery includes a current collector and an electrode material disposed on the current collector. the electrode material has a thickness of 50 ?m or larger. The electrode material contains at least active material particles, an electro-conductive material, and a crack preventive material. An average particle diameter of the crack preventive material is two times or larger than an average particle diameter of the active material particles.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: March 3, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shumpei Nishinaka, Takahiro Matsuyama
  • Patent number: 8859142
    Abstract: A non-aqueous electrolyte secondary battery comprising electrodes including a positive electrode and a negative electrode, a separator positioned between the electrodes, and a non-aqueous electrolyte, wherein the electrodes have a collector carrying an active substance material, and the collector of at least one of the positive electrode and the negative electrode is a three-dimensional structure formed of a resin fiber covered with a metal film.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: October 14, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takahiro Matsuyama, Satoshi Okano, Naoto Nishimura
  • Patent number: 8664221
    Abstract: The object aims to find a novel pharmacological activity of a novel 1,2,3,4-tetrahydroquinoxaline derivative which contains, as a substituent, a phenyl group having a sulfonic acid ester structure introduced therein. A compound represented by general formula (1) or a salt thereof is useful as a glucocorticoid receptor agonist, particularly as a therapeutic agent for diseases against which a glucocorticoid receptor agonist (e.g., a steroid) is believed to be effective, such as inflammatory bone/joint diseases, inflammatory ophthalmic diseases (inflammatory ophthalmic diseases in the anterior or posterior segment of an eye).
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: March 4, 2014
    Assignee: Santen Pharmaceutical Co., Ltd.
    Inventors: Masatomo Kato, Miwa Takai, Takahiro Matsuyama, Tatsuji Kurose, Yumi Hagiwara, Kenji Oki, Mamoru Matsuda, Toshiyuki Mori
  • Publication number: 20140045842
    Abstract: A method for treating a non-ocular inflammatory disease comprising administering to a patient in need thereof a therapeutically effective amount of a compound represented by the following formula (1) or a salt thereof: R1 represents: R2 represents a lower alkyl group, a lower cycloalkyl group or an aralkyl group; R3 represents a lower alkyl group; R4, R5, R6 or R7 each represents a halogen atom, a lower alkyl group, a hydroxyl group, a lower alkoxy group, a cyano group or a nitro group; m, n, p or q each represents 0, 1 or 2; in the case where m, n, p or q is 2, each of R4, R5, R6 or R7 is the same or different.
    Type: Application
    Filed: October 22, 2013
    Publication date: February 13, 2014
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Masatomo KATO, Miwa Takai, Takahiro Matsuyama, Tatsuji Kurose, Yumi Hagiwara, Kenji Oki, Mamoru Matsuda, Toshiyuki Mori
  • Publication number: 20140011083
    Abstract: An electrode for non-aqueous electrolyte secondary batteries includes a current collector having principal surfaces facing each other and an active material layer which contains an active material, a binder, and a conductive material and which is placed on at least one of the principal surfaces of the current collector. The sum of the volume of the active material per unit area of the current collector and the volume of the conductive material per unit area of the current collector is 9.70×10?2 cm3/cm2 to 24.6×10?2 cm3/cm2, the volume of the active material being calculated from the average particle size D50 of the active material, the volume of the conductive material being calculated from the average particle size D50 of the conductive material. The pore volume of the active material layer per unit area of the current collector is 6.00×10?3 cm3/cm2 to 20.0×10?3 cm3/cm2.
    Type: Application
    Filed: June 26, 2013
    Publication date: January 9, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Isao ASAKO, Naoto NISHIMURA, Takahiro MATSUYAMA, Shumpei NISHINAKA, Motoaki NISHIJIMA, Hisayuki UTSUMI, Satoshi ARIMA