Patents by Inventor Teruhito Yamaguchi

Teruhito Yamaguchi 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).

  • Antiulcer compounds
    Patent number: 4738801
    Abstract: Disclosed herein are saturated and unsaturated aliphatic acids and esters of formula R--Z as defined in the specification which are antiulcer agents.
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: April 19, 1988
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Michiko Nagai, Katsura Kogure, Shigeo Kawase, Teruhito Yamaguchi
  • Isoprenylamine derivatives
    Patent number: 4723008
    Abstract: A compound of the formula ##STR1## wherein R.sub.1 is a phenethyl group, R.sub.2 and R.sub.3, taken together with the nitrogen atom to which they are bonded, form an N' hydroxylalkyl substituted piperazine, and (aklylene) is a lower alkylene chain substituted with a hydroxyl group; or an acid addition salt thereof is described.
    Type: Grant
    Filed: August 21, 1986
    Date of Patent: February 2, 1988
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
  • Isoprenylamine derivatives
    Patent number: 4700002
    Abstract: This invention relates to isoprenylamine derivatives and acid addition salts thereof, which compounds are useful for controlling virus infection of vertebrate animals.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: October 13, 1987
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
  • Isoprenylamine derivatives
    Patent number: 4658063
    Abstract: A compound of the formula ##STR1## wherein R.sub.1 is a phenethyl group, R.sub.2 is a hydrogen atom, R.sub.3 is a lower alkyl group, and (alkylene) is a lower alkylene chain substituted with a hydroxyl group; or an acid addition salt thereof is described.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: April 14, 1987
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
  • Isoprenylamine derivatives
    Patent number: 4645862
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.3 each is benzyl or substituted with up to 3 methoxy groups, R.sub.2 is a hydrogen atom and (alkylene) is lower alkyl and the compounds are useful for controlling viral infections.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: February 24, 1987
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
  • Antiulcer compounds
    Patent number: 4642314
    Abstract: An antiulcer composition, containing, as active ingredient, an antiulcer effective amount of an isoprene derivative as herein defined, is described.
    Type: Grant
    Filed: November 14, 1984
    Date of Patent: February 10, 1987
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Michiko Nagai, Katsura Kogure, Shigeo Kawase, Teruhito Yamaguchi
  • Isoprenylamine derivatives
    Patent number: 4568765
    Abstract: This invention relates to new isoprenylamine derivatives and acid addition salts thereof, which are useful as medicines for controlling virus infection of vertebrate animals, or the intermediates therefor.
    Type: Grant
    Filed: May 12, 1982
    Date of Patent: February 4, 1986
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
  • Isoprenylamine derivatives
    Patent number: 4514573
    Abstract: This invention relates to new isoprenylamine derivatives and acid addition salts thereof, which are useful for controlling virus infection of vertebrate animals.
    Type: Grant
    Filed: May 12, 1982
    Date of Patent: April 30, 1985
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
  • Antiulcer compounds
    Patent number: 4483871
    Abstract: An antiulcer composition comprising phytyl oleate or isophytyl oleate as the active ingredient is described.
    Type: Grant
    Filed: February 13, 1980
    Date of Patent: November 20, 1984
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Michiko Nagai, Katsura Kogure, Shigeo Kawase, Teruhito Yamaguchi
  • Antiulcer compounds
    Patent number: 4221810
    Abstract: .alpha.-Tocopheryl derivatives, useful as agents for the treatment of ulcer, are described.
    Type: Grant
    Filed: March 23, 1978
    Date of Patent: September 9, 1980
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Michiko Nagai, Katsura Kogure, Shigeo Kawase, Teruhito Yamaguchi