Patents by Inventor Yoshiaki Yoshikuni

Yoshiaki Yoshikuni 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).

  • Patent number: 4065562
    Abstract: 2-Hydroxymethyl-3,4,5-trihydroxypiperidine possesses antidiabetic and lipid biosynthesis inhibitory properties. The use of the compound for such indications and pharmaceutical compositions adapted to this use are described.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: December 27, 1977
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Katsuya Ohata, Hiroshi Enomoto, Yoshiaki Yoshikuni, Tatsuhiko Kono, Masahiro Yagi
  • Patent number: 4024280
    Abstract: Process for the preparation of abietanilides which comprises reacting abietic acid, dihydroabietic acid, tetrahydroabietic acid or a reactive derivative thereof with aniline and the products thereby produced, compositions containing the same for reducing blood serum cholesterol and method of use of such compositions.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: May 17, 1977
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Hiromu Murai, Katsuya Ohata, Hiroshi Enomoto, Kenji Sempuku, Koji Kitaguchi, Yukio Fujita, Yoshiaki Yoshikuni, Kohei Kura, Katsuhide Saito, Tamiki Mori, Yasuo Yasutomi
  • Patent number: 4009206
    Abstract: Substituted N-phenyl and N-benzyl abietamide derivatives, including the dehydro-, dihydro-, and tetrahydroabietamide derivatives, are cholesterol lowering agents. The abietamide derivatives, of which N-(2,6-dimethylphenyl)-.DELTA..sup.8 -dihydroabietamide is a typical example, are produced by the reaction of abietic acid, dehydroabietic acid, dihydroabietic acid, tetrahydroabietic acid and/or active derivatives thereof with a substituted aniline or benzylamine.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: February 22, 1977
    Inventors: Hiromu Murai, Katsuya Ohata, Hiroshi Enomoto, Kenji Sempuku, Koji Kitaguchi, Yukio Fujita, Yoshiaki Yoshikuni, Kohei Kura, Katsahide Saito, Tamiki Mori, Yasuo Yasutomi