Patents by Inventor Hiroyuki Hirota

Hiroyuki Hirota 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).

  • Piperazine substituted carboxylic acid derivatives for treating hyperlipimia
    Patent number: 5532371
    Abstract: An arylamide derivative of formula (1), a salt thereof and a therapeutic agent for hyperlipemia which comprises the derivative or salt: ##STR1## wherein Ar represents a group ##STR2## a naphthyl group, a pyridinyl group, a furyl group, a thienyl group, a quinolyl group or an indolyl group; Y represents a group ##STR3## and Q represents --O-- or a single bond, Z represents an alkylene group, and R.sup.4 represents a hydroxyl group, an alkoxy group or a group --NH(CH.sub.2).sub.m COOH.
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: July 2, 1996
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Teruo Komoto, Hiroyuki Hirota, Susumu Sato, Mari Ohtsuka, Hidehiko Koya, Hiroyuki Mizuno, Tadayuki Kuraishi
  • Arylamide derivatives for treating hyperlipemia
    Patent number: 5411972
    Abstract: An arylamide derivative of formula (1), a salt thereof and a therapeutic agent for hyperlipemia which comprises the derivative or salt: ##STR1## wherein Ar represents a group ##STR2## a naphthyl group, a pyridinyl group, a furyl group, a thienyl group, a quinolyl group or an indolyl group; Y represents a group ##STR3## and Q represents --O-- or a single bond, Z represents an alkylene group, and R.sup.4 represents a hydroxyl group, an alkoxy group or a group --NH(CH.sub.2).sub.m COOH, useful for the treatment and prevention of hyperlipemia due to their excellent cholesterol reducing action, triglyceride reducing action and high safety.
    Type: Grant
    Filed: November 29, 1993
    Date of Patent: May 2, 1995
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Teruo Komoto, Hiroyuki Hirota, Susumu Sato, Mari Ohtsuka, Hidehiko Koya, Hiroyuki Mizuno, Tadayuki Kuraishi