Patents by Inventor Kazunori Nunome

Kazunori Nunome 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: 20210002420
    Abstract: The purpose of the present invention is to provide a polyester resin or polyester carbonate resin, which has high refractive index, while achieving an excellent balance between heat resistance and low birefringence. A polyester resin or a polyester carbonate resin, which contains repeating units represented by the following formulae (1) and (2), and wherein the ratio of the repeating unit represented by formula (1) to the repeating unit represented by formula (2) is 15:85 to 85:15.
    Type: Application
    Filed: March 11, 2019
    Publication date: January 7, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Kyosuke YAMADA, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Kazunori NUNOME, Keisuke SATO, Tatsuya OYAMA
  • Patent number: 9193826
    Abstract: A thermoplastic resin containing a fluorene derivative.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: November 24, 2015
    Assignee: TEIJIN LIMITED
    Inventors: Teruyuki Shigematsu, Manabu Matsui, Kazushi Tando, Kazunori Nunome
  • Publication number: 20150158975
    Abstract: A thermoplastic resin containing a fluorene derivative.
    Type: Application
    Filed: February 19, 2015
    Publication date: June 11, 2015
    Inventors: Teruyuki SHIGEMATSU, Manabu MATSUI, Kazushi TANDO, Kazunori NUNOME
  • Publication number: 20140114044
    Abstract: A thermoplastic resin comprising a fluorene derivative. The thermoplastic resin comprises 30 mole % or more of a recurring unit derived from 9,9-bis(4-(2-hydroxyethoxy)phenyl)fluorene and has a content of phenyl vinyl ether represented by the following formula (1) of 100 ppm or less.
    Type: Application
    Filed: March 27, 2012
    Publication date: April 24, 2014
    Inventors: Teruyuki Shigematsu, Manabu Matsui, Kazushi Tando, Kazunori Nunome
  • Patent number: 8378055
    Abstract: This invention is to provide a polyester carbonate copolymer suitable for an optical lens that has high refractivity and transparency and low birefringence and little optical strain, and optical lenses formed therefrom. This invention is a polyester carbonate copolymer for an optical lens, which comprises 67 to 95 mol % of a unit of the following formula (I) and 33 to 5 mol % of a unit of the following formula (II) and has a specific viscosity of 0.12 to 0.30, wherein Y in the formula (II) is a phenylene group or a naphthalenediyl group.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: February 19, 2013
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Kazunori Nunome, Manabu Matsui, Kazushi Tando, Teruyuki Shigematsu, Tetsuya Motoyoshi, Tomokiyo Doi
  • Publication number: 20120123083
    Abstract: This invention is to provide a polyester carbonate copolymer suitable for an optical lens that has high refractivity and transparency and low birefringence and little optical strain, and optical lenses formed therefrom. This invention is a polyester carbonate copolymer for an optical lens, which comprises 67 to 95 mol % of a unit of the following formula (I) and 33 to 5 mol % of a unit of the following formula (II) and has a specific viscosity of 0.12 to 0.30, wherein Y in the formula (II) is a phenylene group or a naphthalenediyl group.
    Type: Application
    Filed: July 16, 2010
    Publication date: May 17, 2012
    Applicant: TEIJIN CHEMICALS, LTD.
    Inventors: Kazunori Nunome, Manabu Matsui, Kazushi Tando, Teruyuki Shigematsu, Tetsuya Motoyoshi, Tomokiyo Doi
  • Publication number: 20110298143
    Abstract: A copolycarbonate having a high refractive index, a small birefringence, high processability and excellent transparency and an optical lens formed from the copolycarbonate. The copolycarbonate has a total content of a unit represented by the following formula (I) and a unit represented by the following formula (II) of not less than 80 mol % based on the total of all the recurring units, the molar ratio of the unit represented by the formula (I) to the unit represented by the formula (II) being in the range of 98:2 to 35:65. (wherein each of R1, R2, R3 and R4 is independently a hydrogen atom, alkyl group having 1 to 20 carbon atoms or the like. X is an alkylene group having 2 to 8 carbon atoms or the like. Each of m and n is independently an integer of 1 to 10.) (wherein each of R5, R6, R7 and R8 is independently a hydrogen atom, alkyl group having 1 to 20 carbon atoms or the like.
    Type: Application
    Filed: March 2, 2010
    Publication date: December 8, 2011
    Applicant: Teijin Chemicals Ltd.
    Inventors: Kazunori Nunome, Manabu Matsui, Yoshihiko Imanaka