Patents by Inventor Koichiro Yoshino

Koichiro Yoshino 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).

  • Calcium-antagonistic composition
    Patent number: 4232010
    Abstract: A phosphonic acid ester of the formula: ##STR1## and R is a lower alkyl, exhibits a calcium-antagonistic activity. Pharmaceutical compositions containing the same are useful in prophylaxis and treatment of ischemic heart diseases such as angina pectoris, myocardial, infarction, etc. and hypertension.
    Type: Grant
    Filed: May 14, 1979
    Date of Patent: November 4, 1980
    Assignee: Kanebo, Ltd.
    Inventors: Goro Tsukamoto, Koichiro Yoshino, Tominori Morita, Takashi Nose, Mitsuo Okazaki
  • 2-Substituted benzimidazole compounds
    Patent number: 4192880
    Abstract: 2-Substituted benzimidazole compounds of the formula: ##STR1## wherein R.sub.1 is hydrogen, halogen, lower alkyl or lower alkoxy, and R.sub.2 is hydrogen or lower alkyl with the proviso that R.sub.1 and R.sub.2 do not stand for hydrogen simultaneously and, when R.sub.1 is hydrogen, R.sub.2 cannot mean a methyl group at 6th position on the pyridin-2-yl group or methyl an isobutyl group on the phenyl group; are useful as anti-inflammatory agents and/or analgesics.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: March 11, 1980
    Assignee: Kanebo, Ltd.
    Inventors: Goro Tsukamoto, Koichiro Yoshino, Toshihiko Kohno, Masahiro Taguchi, Katsumi Dezawa, Hajime Kagaya, Keizo Ito, Takashi Nose
  • 2-Substituted benzimidazole compounds
    Patent number: 4188486
    Abstract: 2-Substituted benzimidazole compounds of the formula: ##STR1## wherein R.sub.1 is hydrogen, halogen, lower alkyl or lower alkoxy, and R.sub.2 is hydrogen or lower alkyl with the proviso that R.sub.1 and R.sub.2 do not stand for hydrogen simultaneously and, when R.sub.1 is hydrogen, R.sub.2 cannot mean a methyl group at the 6th position on the pyridin-2-yl group or methyl an isobutyl group on the phenyl group; are useful as anti-inflammatory agents and/or analgesics.
    Type: Grant
    Filed: December 2, 1977
    Date of Patent: February 12, 1980
    Assignee: Kanebo, Ltd.
    Inventors: Goro Tsukamoto, Koichiro Yoshino, Toshihiko Kohno, Masahiro Taguchi, Katsumi Dezawa, Hajime Kagaya, Keiso Ito, Takashi Nose