Patents by Inventor Kazutaka Kimura

Kazutaka Kimura 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).

  • Process for producing retinol and intermediate compounds for producing the same
    Patent number: 6660888
    Abstract: There are disclosed a disulfone compound of formula (1): wherein Ar denotes an aryl group that may have a substituent, R1 denotes a hydrogen atom or a protective group of a hydroxyl group and the wavy line means that the disulfone compound is an E or Z geometrical isomer or a mixture thereof, a method for producing the same, intermediate compounds therefore and a process for producing retinol through the disulfone compound.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: December 9, 2003
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshiya Takahashi, Shinzo Seko, Kazutaka Kimura, Noriyuki Doi, Naoto Konya
  • Process for producing allyl halide compound
    Publication number: 20020107422
    Abstract: There are disclosed a composition comprising
    Type: Application
    Filed: February 5, 2002
    Publication date: August 8, 2002
    Inventors: Noriyuki Doi, Shinzo Seko, Kazutaka Kimura, Toshiya Takahashi
  • Process for producing retinol and intermediate compounds for producing the same
    Publication number: 20020058844
    Abstract: There are disclosed a disulfone compound of formula (1): 1
    Type: Application
    Filed: October 18, 2001
    Publication date: May 16, 2002
    Inventors: Toshiya Takahashi, Shinzo Seko, Kazutaka Kimura, Noriyuki Doi, Naoto Konya
  • Motor tricycle
    Patent number: D267862
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: February 8, 1983
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Kazutaka Kimura, Mituru Yamamoto
  • Four-wheeled motorcycle
    Patent number: D297132
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: August 9, 1988
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Kuniaki Ryuzoji, Mitsuru Yamamoto, Kazutaka Kimura, Yukinori Kawaguchi, Yoshiharu Hashimoto
  • Four-wheeled motorcycle
    Patent number: D299707
    Type: Grant
    Filed: January 22, 1986
    Date of Patent: February 7, 1989
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Akio Makita, Tooru Nishino, Tetsuya Nakazawa, Kazutaka Kimura
  • Off road vehicle
    Patent number: D330694
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: November 3, 1992
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Kazutaka Kimura, Kazuhiko Yokoyama
  • Automobile tire
    Patent number: D340209
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: October 12, 1993
    Assignees: Honda Giken Kogyo Kabushiki Kaisha, The Ohtsu Tire & Rubber Co., Ltd.
    Inventors: Kazutaka Kimura, Takao Kouchi, Kohtaroh Tsutsumi
  • Four wheel cycle
    Patent number: D349078
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: July 26, 1994
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Kazutaka Kimura, Kazuhiko Yokoyama