Patents by Inventor Tuguo Miyaji

Tuguo Miyaji 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).

  • Modified cellulose regenerated fiber comprising chitosan particles
    Patent number: 5320903
    Abstract: The present invention is to provide a modified cellulose regenerated fiber having a practically endurable tenacity, and being excellent in dye-affinity, and having anti-funguses and deodorizing properties. The present invention comprises preliminarily molding chitosan or acetylated chitosan into a fine particle, mixing the fine particle body with cellulose viscose prior to spinning, and spinning the mixture, at the inclusion regenerated fiber.
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: June 14, 1994
    Assignee: Fuji Spinning Co., Ltd.
    Inventors: Tsuguhisa Hirukawa, Hiroaki Tanibe, Tuguo Miyaji
  • Modified cellulose regenerated fiber comprising chitosan particles
    Patent number: RE35151
    Abstract: The present invention is to provide a modified cellulose regenerated fiber having a practically endurable tenacity, and being excellent in dye-affinity, and having anti-funguses and deodorizing properties. The present invention comprises preliminarily molding chitosan or acetylated chitosan into a fine particle, mixing the fine particle body with cellulose viscose prior to spinning, and spinning the mixture, at the inclusion regenerated fiber.
    Type: Grant
    Filed: February 1, 1995
    Date of Patent: January 30, 1996
    Assignee: Fuji Spinning Company, Limited
    Inventors: Tsuguhisa Hirukawa, Hiroaki Tanibe, Tuguo Miyaji