Patents by Inventor Kiichi Ema

Kiichi Ema 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).

  • Cyanoguanidine derivatives
    Patent number: 4426521
    Abstract: Novel cyanoguanidine derivatives, and acid addition salts thereof useful as medicines which have pharmacological actions such as anti-secretory effect, local anesthesia action and the like; and process for the preparation thereof.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: January 17, 1984
    Assignee: Eisai Co., Ltd.
    Inventors: Satoru Tanaka, Katsutoshi Shimada, Kazunori Hashimoto, Kiichi Ema, Koichiro Ueda
  • Cyanoguanidine derivatives
    Patent number: 4396764
    Abstract: Novel cyanoguanidine derivatives, and acid addition salts thereof useful as medicines which have pharmacological actions such as anti-secretory effect, local anesthesia action and the like; and process for the preparation thereof.
    Type: Grant
    Filed: September 15, 1981
    Date of Patent: August 2, 1983
    Assignee: Eisai Co., Ltd.
    Inventors: Satoru Tanaka, Katsutoshi Shimada, Kazunori Hashimoto, Kiichi Ema, Koichiro Ueda
  • Cyanoguanidine derivatives
    Patent number: 4363921
    Abstract: Novel cyanoguanidine derivatives, and acid addition salts thereof useful as medicines which have pharmacological actions such as anti-secretory effect, local anesthesia action and the like; and process for the preparation thereof.
    Type: Grant
    Filed: April 13, 1981
    Date of Patent: December 14, 1982
    Assignee: Eisai Co., Ltd.
    Inventors: Satoru Tanaka, Katsutoshi Shimada, Kazunori Hashimoto, Kiichi Ema, Koichiro Ueda
  • Cyanoguanidine derivatives
    Patent number: 4327217
    Abstract: Novel cyanoguanidine derivatives, and acid addition salts thereof useful as medicines which have pharmacological actions such as anti-secretory effect, local anesthesia action and the like; and process for the preparation thereof.
    Type: Grant
    Filed: August 13, 1980
    Date of Patent: April 27, 1982
    Assignee: Eisai Co., Ltd.
    Inventors: Satoru Tanaka, Katsutoshi Shimada, Kazunori Hashimoto, Kiichi Ema, Koichiro Ueda
  • Cyanoguanidine derivatives
    Patent number: 4287346
    Abstract: Novel cyanoguanidine derivatives, and acid addition salts thereof useful as medicines which have pharmacological actions such as anti-secretory effect, local anesthesia action and the like; and process for the preparation thereof.
    Type: Grant
    Filed: February 12, 1980
    Date of Patent: September 1, 1981
    Assignee: Eisai Co., Ltd.
    Inventors: Satoru Tanaka, Katsutoshi Shimada, Kazunori Hashimoto, Kiichi Ema, Koichiro Udea