Patents by Inventor Shigetoshi Sugio

Shigetoshi Sugio 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).

  • Alkaline protease, alkaline protease gene, recombinant DNA, DNA fragment for the expression of gene, and process for the production of alkaline protease
    Patent number: 5254470
    Abstract: Alkaline protease which has leucine or isoleucine in the place of valine at the amino acid number 40 of wild type alkaline protease, a gene encoding the amino acid sequence of alkaline protease which has the substitution as described above, a recombinant DNA comprising said gene, a method of producing the above described alkaline protease, and a DNA fragment used for the expression of a gene.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: October 19, 1993
    Assignee: Japanese Research and Development Association for Improvement of Enzyme Function in Food Industry
    Inventors: Seiji Murakami, Hiroki Tatsumi, Yoshihiro Ogawa, Eiichi Nakano, Hiroshi Motai, Shigetoshi Sugio, Atsushi Masaki, Yutaka Ishida, Kohji Murakami, Haruhide Kawabe, Hirofumi Arimura
  • Flurbiprofen derivative ophthalmic preparation
    Patent number: 5171566
    Abstract: There is provided an ophthalmic preparation comprising a fat emulsion containing flurbiprofen or its derivative such as ester as an active ingredient.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: December 15, 1992
    Assignee: The Green Cross Corporation
    Inventors: Yutaka Mizushima, Hiroyuki Okamoto, Shigetoshi Sugio, Kazumasa Yokoyama, Tadakazu Suyama, Masao Tohno, Makoto Okumura, Yoshiaki Konishi, Kiyonoshin Ichikawa, Katsuhiro Uchida