Patents by Inventor Hirofumi Miyazono

Hirofumi Miyazono 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).

  • Heparitinase, process for producing the same and bacteria producing the same
    Patent number: 5405759
    Abstract: Disclosed are novel enzymes, heparitinase T-I, heparitinase T-II, heparitinase T-III and heparitinase T-IV, which degrade heparan sulfate and/or heparin, a process for producing thereof by cultivating a novel Bacillus circulans HpT 298 having an ability of producing these enzymes and a novel Bacillus circulans HpT 298.
    Type: Grant
    Filed: November 18, 1993
    Date of Patent: April 11, 1995
    Assignee: Seikagaku Kogyo Kabushiki Kaisha
    Inventors: Kiyoshi Morikawa, Hirofumi Miyazono, Hiroshi Maruyama, Keiichi Yoshida
  • Heparitinase, process for producing the same and bacteria producing the same
    Patent number: 5290695
    Abstract: Disclosed are novel enzymes, heparitinase T-I, heparitinase T-II, heparitinase T-III and heparitinase T-IV, which degrade heparan sulfate and/or heparin, a process for producing thereof by cultivating a novel Bacillus circulans HpT 298 having an ability of producing these enzymes and a novel Bacillus circulans HpT 298.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: March 1, 1994
    Assignee: Seikagaku Kogyo Kabushiki Kaisha
    Inventors: Kiyoshi Morikawa, Hirofumi Miyazono, Hiroshi Maruyama, Keiichi Yoshida