Patents by Inventor Ten Koide

Ten Koide 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).

  • Protease inhibitors
    Patent number: 4348386
    Abstract: An acidic protease inhibitor obtained by allowing a compound of ##STR1## wherein X and Y are L-leucine or L-valine, or its salt, to react with an aluminum compound in a medium containing water and/or an alcohol, and further continuing the reaction after adjusting the pH of the system within a range of 4.5 to 7. The protease can stay long in stomach, have an action to protect ulcerated areas and retain the antiulcer effect for a long period of time.
    Type: Grant
    Filed: April 1, 1981
    Date of Patent: September 7, 1982
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kojima, Ten Koide, Shigeo Ogino, Toshiro Tsuchiya, Yoshito Kameno
  • Protease inhibitors
    Patent number: 4206283
    Abstract: Novel procidins effective for healing or preventing ulcers are produced and accumulated in the cultured product of a novel strain Streptomyces procidinanus.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: June 3, 1980
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinichi Kojima, Kazuro Nakamura, Ten Koide, Shigeo Ogino
  • Protease inhibitors
    Patent number: 4091093
    Abstract: Novel procidins effective for healing or preventing ulcer are produced and accumulated in the cultured product of a novel strain Streptomyces procidinanus.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: May 23, 1978
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Shinichi Kojima, Kazuro Nakamura, Ten Koide, Shigeo Ogino