Patents by Inventor Eiichi Sakakibara

Eiichi Sakakibara 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).

  • 2-deoxy-5-fluorouridine derivative and a process for producing the same and an antitumor agent comprising the same
    Patent number: 4599404
    Abstract: A 2'-deoxy-5-fluorouridine derivative represented by the formula; ##STR1## wherein R represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an acetyloxy group or a halogen atom, and n is an integer of 1 to 3.
    Type: Grant
    Filed: August 21, 1979
    Date of Patent: July 8, 1986
    Assignee: Funai Pharmaceutical Ind., Ltd.
    Inventors: Setsuro Fujii, Eiichi Sakakibara
  • 2'-Deoxy-5-fluorouridine derivative and a process for producing the same and an antitumor agent comprising the same
    Patent number: 4490366
    Abstract: A 2'-deoxy-5-fluorouridine derivative represented by the formula; ##STR1## wherein R represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an acetyloxy group or a halogen atom, and n is an integer of 1 to 3.
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: December 25, 1984
    Assignee: Funai Pharmaceutical Ind., Ltd.
    Inventors: Setsuro Fujii, Eiichi Sakakibara
  • S-Inosylcysteine and a process for producing the same
    Patent number: 4011221
    Abstract: S-Inosylcysteine, possessing a cell-proliferating activity and useful in the treatment of tissue lesions and ulcers, is produced by reacting a 2', 3'-O-protected-inosine derivative with an alkali metal salt of cysteine to produce S-(2', 3'-O-protected-inosyl) cysteine, and then removing the protecting group.
    Type: Grant
    Filed: August 21, 1975
    Date of Patent: March 8, 1977
    Assignee: Funai Pharmaceutical Industries, Ltd.
    Inventors: Eiichi Sakakibara, Iwao Hashimoto, Mitsuru Hirohashi