Patents by Inventor Taiji Asano

Taiji Asano 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).

  • Therapeutic agent for diseases of periodontal tissue
    Patent number: 6046164
    Abstract: The present invention relates to a method for treating diseases of periodontal tissue by administering a basic fibroblast growth factor, by which the tissue injury is treated to induce regeneration, curing or new attachment.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: April 4, 2000
    Assignee: Kaken Pharmaceutical Co., Ltd.
    Inventors: Taiji Asano, Hajime Sugimoto, Akio Terashima, Yoshiko Nakano, Masahiro Amakawa, Katumasa Saga
  • Cephalosporin compounds, processes for their preparation and antibacterial agents
    Patent number: 4883879
    Abstract: A cephalosporin compound having the formula: ##STR1## wherein R.sub.1 is a hydrogen atom, a halogen atom, a methoxy group, a substituted or unsubstituted vinyl group, or --CH.sub.2 --A wherein A is a hydrogen atom, an azido group, an acyloxy group, a carbamoyloxy group, a substituted or unsubstituted heterocyclic group (wherein the hetrocyclic ring is a 5- or 6-membered heterocyclic ring having from 1 to 4 oxygen, nitrogen or sulfur atoms), or a substituted or unsubstituted heterocyclic thio group (wherein the heterocyclic ring is a monocyclic or bicyclic heterocyclic ring having from 1 to 5 oxygen, nitrogen or sulfur atoms), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: November 28, 1989
    Assignee: Kaken Pharmaceutical Co., Ltd.
    Inventors: Yoshiyuki Zama, Nobuo Ishiyama, Tsuneo Saita, Takanobu Naito, Masao Hirose, Masaaki Yokoyama, Taiji Asano, Hisato Senda, Keiji Sekine, Shigeru Sanai
  • Cephalosporin compounds, and antibacterial agents
    Patent number: 4822786
    Abstract: A cephalosporin compound having the formula: ##STR1## wherein R.sub.1 is a hydrogen atom, a halogen atom, a methoxy group, a substituted or unsubstituted vinyl group, or --CH.sub.2 --A wherein A is a hydrogen atom, an azido group, an acyloxy group, a carbamoyloxy group, a subsituted or unsubstituted heterocyclic group (wherein the hetrocyclic ring is a 5- or 6-membered heterocyclic ring having from 1 to 4 oxygen, nitrogen or sulfur atoms), or a substituted or unsubstituted heterocyclic thio group (wherein the heterocyclic ring is a monocyclic or bicyclic heterocyclic ring having from 1 to 5 oxygen, nitrogen or sulfur atoms), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: April 18, 1989
    Assignee: Kaken Pharmaceutical Co., Ltd.
    Inventors: Yoshiyuki Zama, Nobuo Ishiyama, Tsuneo Saita, Takanobu Naito, Masao Hirose, Masaaki Yokoyama, Taiji Asano, Hisato Senda, Keiji Sekine, Shigeru Sanai