Patents by Inventor Takehito Fujita

Takehito Fujita 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).

  • Sulfonamide derivatives
    Patent number: 5998410
    Abstract: A sulfonamide derivatives of formula (I) ##STR1## a non-toxic salts, an acid addition salts or a solvates thereof which has an inhibitory effect on elastase.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: December 7, 1999
    Assignee: Ono Pharmaceuticals Co., Ltd.
    Inventors: Takahiko Nakae, Masashi Kato, Takehito Fujita, Kazuhito Kawabata, Hiroyuki Ohno
  • Sulfonamide derivatives
    Patent number: 5795890
    Abstract: A sulfonamide derivatives of formula (I) ##STR1## a non-toxic salts, an acid addition salts or a solvates thereof which has an inhibitory effect on elastase.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: August 18, 1998
    Assignee: ONO Pharmaceutical Co., Ltd.
    Inventors: Takahiko Nakae, Masashi Kato, Takehito Fujita, Kazuhito Kawabata, Hiroyuki Ohno