Patents by Inventor Kanoo Hosoki

Kanoo Hosoki 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: 5527801
    Abstract: The present invention is to provide an ameliorant for blood lipid metabolism which comprises as an active ingredient N-(6,11-dihydrodibenzo[b,e]thiepin-11-yl)-4-(4-fluorophenyl)-1-piperazineb utanamide or a pharmaceutically acceptable salt thereof, more particularly, to provide a hyperlipidemia inhibitor and an atherosclerosis inhibitor.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: June 18, 1996
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Yoshinobu Masuda, Hisao Minato, Akihisa Ikeno, Kunihiko Takeyama, Kanoo Hosoki
  • Patent number: 5416231
    Abstract: A novel prostaglandin I.sub.2 derivative selected from a prostaglandin I.sub.2 having a halogen atom on the carbon atom corresponding to the 7-position of natural prostaglandin I.sub.2 and having a cycloalkylene group in the .alpha.-chain, and its esters and salts.
    Type: Grant
    Filed: April 9, 1993
    Date of Patent: May 16, 1995
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Tomoyuki Asai, Yoshitomo Morizawa, Arata Yasuda, Taku Yamamoto, Buichi Fujitani, Kanoo Hosoki
  • Patent number: 4826814
    Abstract: There are provided tripeptide compounds represented by the following formula ##STR1## wherein R.sub.1 represents a C.sub.1-10 alkyl group, a C.sub.4-7 cycloalkyl or C.sub.
    Type: Grant
    Filed: May 5, 1987
    Date of Patent: May 2, 1989
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Tadahiro Sawayama, Masatoshi Tsukamoto, Takashi Sasagawa, Kazuya Nishimura, Kanoo Hosoki, Kunihiko Takeyama
  • Patent number: 4248883
    Abstract: 1-(3-Mercapto-2-methylpropanoyl)prolyl amino acid derivatives of the formula ##STR1## wherein R represents a hydrogen atom, a lower alkyl group, a phenyl-lower alkyl group or a substituted phenyl-lower alkyl group, R.sub.1 represents a hydrogen atom, R.sub.4 CO--, R.sub.5 S--, or ##STR2## R.sub.2 represents a hydrogen atom or a lower alkyl group, R.sub.3 represents a hydrogen atom, a phenyl group, a lower alkyl group, or a substituted lower alkyl group, or R.sub.2 and R.sub.3 form a heterocyclic ring together with the nitrogen and carbon atoms to which they are respectively bonded; salts of these compounds; compositions comprising these compounds or salts; and processes for preparing these compounds or salts. These compounds and salts have excellent antihypertensive activity.
    Type: Grant
    Filed: June 29, 1979
    Date of Patent: February 3, 1981
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Tadahiro Sawayama, Hiroaki Kinugasa, Haruki Nishimura, Kunihiko Takeyama, Kanoo Hosoki