Patents by Inventor Toshikatsu Fujii

Toshikatsu Fujii 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).

  • KS-2-B
    Patent number: 4247541
    Abstract: KS-2-B was obtained as purified material from the culture of Daedalea dickinsii KSDD 6 (FERM-P No. 3993), Lentinus edodes KSLE 7 (FERM-P No. 3994) or Lentinus edodes KSLE 28 (FERM-P No. 4196). This substance, KS-2-B, is an effective interferon inducing substance.
    Type: Grant
    Filed: May 11, 1979
    Date of Patent: January 27, 1981
    Assignee: Kirin Brewery Company Limited
    Inventors: Nakao Ishida, Hiroshi Maeda, Fujio Suzuki, Toshikatsu Fujii, Ituro Mizutani
  • KS-2-A
    Patent number: 4163780
    Abstract: KS-substance was obtained as raw material from the cultured mycelium of Daedalea dickinsii KSDD 6 (FERM-P No. 3993), Lentinus edodes KSLE 7 (FERM-P No. 3994) or Lentinus edodes KSLE 28 (FERM-P No. 4196), and by refining this substance a novel substance KS-2-A was obtained. This substance KS-2-A and also the KS-substance as the raw material both enhance the host defense function of the living body.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: August 7, 1979
    Assignee: Kirin-Seagram Limited
    Inventors: Nakao Ishida, Fujio Suzuki, Hiroshi Maeda, Toshikatsu Fujii, Ituro Mizutani