Patents by Inventor Asaichi Kawanaka

Asaichi Kawanaka 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).

  • Antibacterial fiber, textile and water-treating element using the fiber and method of producing the same
    Patent number: 5561167
    Abstract: An antibacterial fiber includes an ion exchange fiber and an antibacterial metal ion entrapped within the ion exchange fiber through an ion exchange reaction. The invention also discloses antibacterial textiles and water-treating element using the fibers.
    Type: Grant
    Filed: November 21, 1995
    Date of Patent: October 1, 1996
    Assignee: Suntory Limited
    Inventors: Nobuya Matsumoto, Shinichi Kunisaki, Goro Fujiwara, Mitsunobu Masuda, Hiroshi Horie, Asaichi Kawanaka
  • Antibacterial fiber, textile and water-treating element using the fiber and method of producing the same
    Patent number: 5496860
    Abstract: An antibacterial fiber includes an ion exchange fiber and an antibacterial metal ion entrapped within the ion exchange fiber through an ion exchange reaction. The invention also discloses antibacterial textiles and water-treating element using the fibers.
    Type: Grant
    Filed: December 28, 1993
    Date of Patent: March 5, 1996
    Assignees: Suntory Limited, Takuma Co., Ltd., Nitivy Company Limited
    Inventors: Nobuya Matsumoto, Shinichi Kunisaki, Goro Fujiwara, Mitsunobu Masuda, Hiroshi Horie, Asaichi Kawanaka