Patents by Inventor Sannohe, Kunio

Sannohe, Kunio 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).

  • Pyridyl-cyclohexanone compounds
    Patent number: 4845228
    Abstract: The present invention relates to cyclohexanone derivatives represented by general formula: ##STR1## wherein R represents a hydrogen atom or an acetyl group. The cyclohexanone derivatives are important intermediates for producing isoquinoline derivatives which are useful as drugs, especially for heart drugs.
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: July 4, 1989
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Tsuneji Suzuki, Sannohe, Kunio, Toshihiko Ito, Masahiko Maruyama, Joji Kamiya, Makoto Hirayama, Takafumi Kitano, Akira Awaya