Patents by Inventor Yasuo Fugakawa

Yasuo Fugakawa 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).

  • Antibiotics, neoviridogriseins, and their method of production
    Patent number: 4536397
    Abstract: A group of novel depsipeptide antibiotics, neoviridogriseins I, II and III are produced by fermentation of Streptomyces sp. P8648 (FERM-P 3562; ATCC 31289). The antibiotics are highly active against Gram-positive bacteria and mycoplasmas.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: August 20, 1985
    Assignees: Sanraku-Ocean Co., Ltd., Panlabs, Inc.
    Inventors: Yasushi Okumura, Kazuhiko Okamura, Yasuo Fugakawa, Tomoyuki Ishikura, Kageaki Kouno, Joseph Lein
  • Antibiotics, neoviridogriseins, and their method of production
    Patent number: 4456592
    Abstract: A group of novel depsipeptide antibiotics, neoviridogriseins I, II and III are produced by fermentation of Streptomyces sp. P8648 (FERM-P 3562; ATCC 31289). The antibiotics are highly active against Gram-positive bacteria and mycoplasmas.
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: June 26, 1984
    Assignees: Sanraku-Ocean Co., Panlabs Inc.
    Inventors: Yasushi Okumura, Kazuhiko Okamura, Yasuo Fugakawa, Tomoyuki Ishikura, Kageaki Kouno, Joseph Lein
  • Streptomyces culture
    Patent number: 4355112
    Abstract: A group of novel depsipeptide antibiotics, neoviridogriseins I, II and III are produced by fermentation of Streptomyces sp. P8648 (FERM-P 3562; ATCC 31289). The antibiotics are highly active against Gram-positive bacteria and mycoplasmas.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: October 19, 1982
    Assignees: Sanraku-Ocean Co., Ltd., Panlabs, Inc.
    Inventors: Yasushi Okumura, Kazuhiko Okamura, Yasuo Fugakawa, Tomoyuki Ishikura, Kageaki Kouno, Joseph Lein