Patents by Inventor Kaneo Ogawa

Kaneo Ogawa 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).

  • Adenophostins
    Patent number: 5436231
    Abstract: Compounds of formula (I): ##STR1## (wherein R represents a hydrogen atom or an acetyl group), which we have named "the adenophostins", and, have the ability to increase intracellular calcium ion concentrations by acting on the inositol 1,4,5-trisphosphate (InsP.sub.3) receptors which exist in the endoplasmic reticulum. The adenophostins are useful as hypertensive agents. They can be prepared by cultivation of a microorganism of the genus Penicillium, e.g. Penicillium brevicompactum SANK 11991 (FERM BP-3499) or Penicillium brevicompactum SANK 12177 (FERM BP-3500).
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: July 25, 1995
    Assignee: Sankyo Company, Limited
    Inventors: Shuji Takahashi, Masaaki Takahashi, Kazuhiko Tanzawa, Kaneo Ogawa, Tsuyoshi Hosoya
  • Thiomarinol compounds
    Patent number: 5399711
    Abstract: Two thiomarinol derivatives, which have antibacterial and anti-mycoplasmal properties, are obtainable from microorganisms of the genus Alteromonas and are named "thiomarinol B" and "thiomarinol C". Thiomarinol B can also be prepared by the oxidation of thiomarinol.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: March 21, 1995
    Assignee: Sankyo Company, Limited
    Inventors: Shuji Takahashi, Hideyuki Shiozawa, Katsumi Fujimoto, Yuji Iwano, Koichi Hirai, Akio Torikata, Takeshi Kagasaki, Kaneo Ogawa, Yoshiharu Sakaida, Kentaro Kodama, Akira Ishii