Patents by Inventor Kihachiro Izumi

Kihachiro Izumi 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).

  • 1,5-Benzothiazepine compounds
    Patent number: 4264497
    Abstract: Cis or trans-1,5-benzothiazepine compounds represented by the formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group and R.sub.2 represents a hydrogen atom, an alkyl group or a hydroxyalkyl group and the pharmaceutically acceptable acid addition salts and quaternary ammonium salts thereof which exhibit anticholinergic activity and are useful as anti-ulcer, gastric secretion inhibiting and antispasmodic agents in mammals, and a process for preparing the same.
    Type: Grant
    Filed: February 14, 1979
    Date of Patent: April 28, 1981
    Assignee: Maruko Seiyaku Co., Ltd.
    Inventors: Sachio Ohno, Kihachiro Izumi, Kiyoshi Mizukoshi, Kazuo Kato, Hajimu Yamamoto, Mitsuaki Nagasaka, Yoshiki Nakamura, Mikio Hori