Patents by Inventor Toshihiko Fujiwara

Toshihiko Fujiwara 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).

  • Thiazolidine and oxazolidine derivatives, their preparation and their medical use
    Patent number: 5578620
    Abstract: Compounds of formula (I): ##STR1## and salts, esters and solyates thereof and pro-drugs therefor are useful for the treatment and/or prophylaxis of a variety of disorders, including one or more of: hyperlipemia, hyperglycemia, obesity, glucose tolerance insufficiency, insulin resistance and diabetic complications.
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: November 26, 1996
    Assignee: Sankyo Company, Limited
    Inventors: Takashi Fujita, Koichi Fujimoto, Takao Yoshioka, Hiroaki Yanagisawa, Toshihiko Fujiwara, Hiroyoshi Horikoshi, Minoru Oguchi, Kunio Wada
  • Oxazolidine derivatives having anti-diabetic and anti-obesity properties, their preparation and their therapeutic uses
    Patent number: 5436257
    Abstract: Compounds of formula (I): ##STR1## wherein: R is an alkyl group; X is oxygen or sulfur; Y is hydrogen atom or --A--COOH, in which A is an alkylene group; Ar is aryl or substituted aryl group; and pharmaceutically acceptable salts and esters thereof, have use in the treatment or prophylaxis of diabetes, obesity, hyperlipemia, hyperglycemia, complications of diabetes, obesity-related hypertension and osteoporosis.
    Type: Grant
    Filed: August 30, 1993
    Date of Patent: July 25, 1995
    Assignee: Sankyo Company, Limited
    Inventors: Takashi Fujita, Takao Yoshioka, Shinji Yoshioka, Toshihiko Fujiwara, Hiroyoshi Horikoshi