Patents by Inventor Naosumi Kinoshita

Naosumi Kinoshita 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).

  • Pyrimidine derivative
    Patent number: 6197774
    Abstract: The present invention provides a novel pyrimidine derivative represented by the general formula (1): (wherein R, R4 and R8 are the same as defined in the specification) or pharmaceutically acceptable salt thereof, which possesses an excellent activity for inhibiting the formation of NO (nitrogen oxide) in vivo.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: March 6, 2001
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoshi Yamada, Naosumi Kinoshita, Koichi Yasumura, Kouji Edamatsu, Takao Nagahama, Shintaro Ishikawa, Takeshi Yamauchi, Kazumasa Kishi, Kazuhisa Sugiyama
  • Polypeptide derivatives and calcium metabolism improving agent
    Patent number: 5204326
    Abstract: Novel polypeptide derivatives, acid-addition salts thereof and complexes thereof, having the activities for inhibiting bone calcium absorption, for lowering the blood level of calcium, as analgesics, for inhibiting secretion of the gastric juice.Pharmaceutical composition can be prepared by formulating, at least one of the novel polypeptide derivatives, acid-addition salts thereof and complexes thereof, together with a proteolytic enzyme inhibitors and/or pharmaceutically acceptable acids.The pharmaceutical composition are quite effective as agents for curing hypercalcemia, for curing Peget's disease, for curing osteoporosis, analgetic agent, anti-ulcerative agent and the like.
    Type: Grant
    Filed: March 14, 1990
    Date of Patent: April 20, 1993
    Assignees: Otsuka Pharmaceutical Co., Ltd., Otsuka Pharmaceutical Factory, Inc.
    Inventors: Setsuro Fujii, deceased, by Keiko Fujii, successor, by Shinichiro Fujii, successor, by Kaoruko Takada, successor, Yoshihito Yamamoto, Fumio Shimizu, Masatoshi Inai, Naosumi Kinoshita, Shizuo Nakamura, Mitsuru Hirohashi, Takashi Sakamoto, Kazuhiko Tsutsumi, Tetsuhiko Shirasaka