Patents by Inventor Yoshiyuki Tahara

Yoshiyuki Tahara 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).

  • 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
  • Isoprenylic acid amide derivatives
    Patent number: 4555365
    Abstract: Compounds of the formula R.sub.1 --CO--NH.sub.2 wherein R.sub.1 is ##STR1## are described. The compounds are useful in the treatment of hypertension and hyperlipidemia.
    Type: Grant
    Filed: February 17, 1984
    Date of Patent: November 26, 1985
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Toshihiro Takahashi, Hiroyasu Koyama, Yoshikuni Suzuki, Masatoshi Yasuda
  • Isocarbostyril derivatives
    Patent number: 4526893
    Abstract: Compounds of the structure ##STR1## wherein X, R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are as herein defined, effective as .beta.-blockers and hypotensive agents, are described.
    Type: Grant
    Filed: December 16, 1983
    Date of Patent: July 2, 1985
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Toshihiro Takahashi, Noriyoshi Sueda, Masahiro Tsuji, Yoshiyuki Tahara, Hiroyasu Koyama, Yoshikuni Suzuki, Masao Nagase, Toshiji Sugai
  • 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
  • Decaprenylamine derivatives
    Patent number: 4431811
    Abstract: New decaprenylamines and the acid addition salts thereof, useful for controlling virus infections in animals, are described.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: February 14, 1984
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi
  • Decaprenylamine derivatives
    Patent number: 4393209
    Abstract: Decaprenylamines and the acid addition salts thereof, which are useful for controlling virus infection.
    Type: Grant
    Filed: November 19, 1980
    Date of Patent: July 12, 1983
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi
  • Decaprenylamine derivatives
    Patent number: 4380668
    Abstract: This invention relates to new decaprenylamines and the acid addition salts thereof, which are useful for controlling virus infection of vertebrate animals.
    Type: Grant
    Filed: November 19, 1980
    Date of Patent: April 19, 1983
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi
  • Monophenylamine derivatives
    Patent number: 4340760
    Abstract: Monophenylamine derivatives are prepared.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: July 20, 1982
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi
  • Decaprenylamine derivatives
    Patent number: 4324916
    Abstract: Decaprenylamine derivatives and their acid addition salts are described which are useful for the control of virus infections of vertebrate animals.
    Type: Grant
    Filed: November 19, 1980
    Date of Patent: April 13, 1982
    Assignee: Nisshin Flour Milling Co. Ltd.
    Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi
  • Nonaprenylamine derivatives
    Patent number: 4322555
    Abstract: This invention relates to new nonaprenylamine derivatives and the acid addition salts thereof, which are useful for controlling virus infection of vertebrate animals.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: March 30, 1982
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi
  • Isoprenylamines
    Patent number: 4265910
    Abstract: This invention relates to new isoprenylamines and the acid addition salts thereof. Further, the invention is concerned with antiviral agents for vertebrate animal, said agents containing as their active ingredients isoprenylamine or physiologically acceptable acid addition salt thereof.
    Type: Grant
    Filed: May 1, 1980
    Date of Patent: May 5, 1981
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi
  • 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