Patents by Inventor Hisatoshi Mochida

Hisatoshi Mochida 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: 5801180
    Abstract: The present invention provides a nitrogenous heterocyclic compound represented by the following general formula (1) or a pharmacologically acceptable salt thereof which is useful for various ischemic heart diseases and the like: ##STR1## ?in formula (1), ring A represents a benzene ring, a pyridine ring or a cyclohexane ring; ring B represents a pyridine ring, a pyrimidine ring or an imidazole ring, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent each a hydrogen atom, a halogen atom or a group such as a lower alkoxy group; R.sup.5 represents a group represented by the formula --NR.sup.11 R.sup.12 (wherein R.sup.11 and R.sup.12 represent each a hydrogen atom or a group such as a lower alkyl group) or the like; and R.sup.6 represents a group represented by the formula ##STR2## (wherein R.sup.19 represents a hydrogen atom, a lower alkyl group or the like; R.sup.20, R.sup.21 and R.sup.22 represent each a hydrogen atom, a halogen atom, a hydroxyl group or the like; and r represents 0 or an integer of 1 to 8)!.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: September 1, 1998
    Assignee: Eisai Co., Ltd.
    Inventors: Yasutaka Takase, Nobuhisa Watanabe, Makoto Matsui, Hironori Ikuta, Teiji Kimura, Takao Saeki, Hideyuki Adachi, Tadakazu Tokumura, Hisatoshi Mochida, Yasunori Akita, Shigeru Souda
  • Patent number: 5693652
    Abstract: The present invention provides a nitrogenous heterocyclic compound represented by the following general formula (1) or a pharmacologically acceptable salt thereof which is useful for various ischemic heart diseases and the like: ##STR1## ?in formula (1), ring A represents a benzene ring, a pyridine ring or a cyclohexane ring: ring B represents a pyridine ring, a pyrimidine ring or an imidazole ring, R.sup.1, R.sup.2, R.sup.3 R.sup.4, R.sup.5 and R.sup.6 are described herein.
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: December 2, 1997
    Assignee: Eisai Co., Ltd.
    Inventors: Yasutaka Takase, Nobuhisa Watanabe, Makoto Matsui, Hironori Ikuta, Teiji Kimura, Takao Saeki, Hideyuki Adachi, Tadakazu Tokumura, Hisatoshi Mochida, Yasunori Akita, Shigeru Souda
  • Patent number: 5576322
    Abstract: The invention is directed to certain 2,4-diaminoquinazoline compounds, their pharmaceutically acceptable salts, the pharmaceutical compositions comprising those compounds and their therapeutic methods of use. The compounds possess anti-ischemic activity.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: November 19, 1996
    Assignee: Eisai Co., Ltd.
    Inventors: Yasutaka Takase, Nobuhisa Watanabe, Makoto Matsui, Hironori Ikuta, Teiji Kimura, Takao Saeki, Hideyuki Adachi, Tadakazu Tokumura, Hisatoshi Mochida, Yasunori Akita, Shigeru Souda