Patents by Inventor Kanji Yoshihara

Kanji Yoshihara 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).

  • Coumaran group containing amine compounds and their acid addition salts and quaternary ammonium salts and the use thereof as anti arrhythmic agents and as psychotropic agents
    Patent number: 5192799
    Abstract: Amine represented by the following formula (1), or their acid addition salts or their quaternary ammonium salts. ##STR1## The amines of formula (1) or their pharmaceutically acceptable acid addition salts or quaternary ammonium salts are useful for the treatment and prevention of heart diseases of animals, particularly arrhythima, myocardial infarction, angina pectoris and heart failure and psychoneurological diseases.
    Type: Grant
    Filed: June 5, 1992
    Date of Patent: March 9, 1993
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Ikuo Tomino, Masaharu Ishiguro, Takumi Kitahara, Keiichi Yokoyama, Noriaki Kihara, Joji Kamiya, Kanji Yoshihara, Masaaki Ishii, Akira Mizuchi, Kazutoshi Horikomi, Akira Awaya, Takuo Nakano
  • Pyrimidinedione compounds, method of producing the same and antiarrythmic agents containing the same
    Patent number: 5008267
    Abstract: A pyrimidinedione derivative compound has a basic backbone in which a phenyl group part and a pyrimidinedione part are linked by a structure comprising an alkyl chain containing at least two nitrogen atoms. The pyrimidinedione derivative is useful for a medical treatment of cardiac arrhythmias.
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: April 16, 1991
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Tsutomu Katakami, Tatsuro Yokoyama, Michihiko Miyamoto, Haruki Mori, Nobuya Kawauchi, Tadahito Nobori, Kunio Sannohe, Joji Kamiya, Masaaki Ishii, Kanji Yoshihara