Patents by Inventor Syozo Miyaoka

Syozo Miyaoka 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).

  • Isoprenoid derivatives and pharmaceutical preparations containing the same
    Patent number: 5130483
    Abstract: Isoprenoid derivatives represented by the general formula (I) ##STR1## wherein R represents a hydrogen atom or a lower alkyl group, X represents --CH.sub.2 --, --O-- or --NH--, n represents number of the double bond in trans-configuration and is 1 or 2, and m is an integer from 0 to 3.The compounds have a 5-lipoxygenase-inhibiting activity and are useful as a therapeutic agent for such diseases as allergy, nephritis, hepatitis, rheumatism and gastric ulcer.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: July 14, 1992
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Hiroyuki Ohnishi, Shingo Koyama, Ryoichi Nanba, Syozo Miyaoka, Akira Masuda, Yoshiyuki Shikata, Hideto Ushijima, Seiitsu Murota
  • Diene derivatives and vasodilators containing the same
    Patent number: 4792553
    Abstract: Novel dienyl derivatives are disclosed. As examples of said diene derivative are mentioned 1-benzhydryl-4-(5-phenyl-2,4-pentadienyl)piperazine, 1-(4,4'-difluorobenzhydryl)-4-(5-phenyl-2,4-pentadienyl)piperazine, 1-benzhydryl-4-(5-(3,4,5-trimethoxyphenyl)-2,4-pentadienyl)piperazine, 1-(4,4'-difluorobenzhydryl)-4-(5-(2,4-dimethoxyphenyl)-2,4-pentadienyl)pip erazine, 1-benzhydryl-4-(5-(2,3,4-trimethoxyphenyl)-2,4-pentadienyl)piperazine, 1-(4,4'-difluorobenzhydryl)-4-(5-(2,3,4-trimethoxyphenyl)-2,4-pentadienyl) piperazine and the like. These dienyl derivatives are useful as vasodilators.
    Type: Grant
    Filed: February 3, 1987
    Date of Patent: December 20, 1988
    Assignee: Terumo Kabushiki Kaisha
    Inventors: Shin Hattori, Makoto Takai, Toshio Wakabayashi, Yasusi Suwabe, Syozo Miyaoka