Patents by Inventor Taira Okamoto

Taira Okamoto 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).

  • Patent number: 5190959
    Abstract: A piperidine derivative having the formula (I): ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different from each other, are (i) a not-substituted phenyl group or a phenyl group substituted by a halogen atom, trifluoromethyl group, a C.sub.1-5 alkyl group or a C.sub.1-5 alkoxyl group, (ii) a C.sub.3-7 cycloalkyl group, (iii) pyridyl group or (iv) thienyl group, R.sup.3 is (i) hydrogen atom, (ii) a halogen atom, (iii) a C.sub.1-4 alkyl group or (iv) a C.sub.1-4 alkoxyl group, R.sup.4 is (i) hydrogen atom or (ii) a C.sub.1-4 alkyl group. R.sup.5 is (i) a not-substituted C.sub.1-5 alkyl group or a C.sub.1-5 alkyl group substituted by a halogen atom, (ii) phenyl group or (iii) thienyl group and Z is (i) a C.sub.1-6 alkylene group, (ii) a C.sub.2-6 alkenylene group or (iii) a C.sub.3-6 alkynylene group or a pharmacologically acceptable salt thereof. According to the present invention, an anti-allergic agent and a therapeutic agent for ischemic heart disease without toxicity can be provided.
    Type: Grant
    Filed: August 5, 1992
    Date of Patent: March 2, 1993
    Assignee: Kaken Pharmaceutical Co. Ltd.
    Inventors: Satoshi Murai, Masanao Shimano, Hiroshi Yamamoto, Toshihiro Koyama, Tsutomu Nakamura, Masaru Ogawa, Mitsuru Watanuki, Taira Okamoto, Toshimitsu Hori
  • Patent number: 5049587
    Abstract: Disclosed are novel opthalmic solutions useful for the treatment of ocular hypertension and glaucoma. These contain mabuterol as a preferred active ingredient.
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: September 17, 1991
    Assignee: Basotherm GmbH
    Inventors: Taira Okamoto, Motoyuki Yajima
  • Patent number: 4794798
    Abstract: Herein disclosed is a transverse resonance measurement device for measuring the Young's modulus and/or internal friction of the plate specimen of a material over a wide temperature range even if the material is nonconductive, e.g., ceramics, wood or plastics. Platinum paste is applied to one side of a plate specimen to be measured, and is baked into a platinum electrode.
    Type: Grant
    Filed: April 2, 1987
    Date of Patent: January 3, 1989
    Assignee: Sumitomo Electric Industried Limited
    Inventors: Ken-ichi Matsushita, Taira Okamoto, Masahiko Shimada, Hisao Takeuchi
  • Patent number: 4234570
    Abstract: Novel biologically active substances prepared by dissociating the protein obtained from the cultivation of the microorganism Bordetella and having insulin secretion promoting action as well as glucose tolerance improving action for mammals.
    Type: Grant
    Filed: June 1, 1978
    Date of Patent: November 18, 1980
    Assignee: Kakenyaku Kako Kabushiki Kaisha
    Inventors: Yoshinori Kanbayashi, Michio Ui, Koichi Hosoda, Akira Ito, Shigeki Kurokawa, Akio Terashima, Isamu Takahashi, Motoyuki Yajima, Chikanori Tomioka, Tsutomu Nakamura, Katsumi Nogimori, Taira Okamoto