Patents by Inventor Yasuho Nishii

Yasuho Nishii 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).

  • Treatment for hyperparathyroidism with use of vitamin D derivatives
    Patent number: 5063221
    Abstract: A treatment for hyperparathyroidism with use of a 1.alpha.-hydroxyvitamin D derivative of the formula (I) ##STR1## wherein R is a branched alkyl group having 4-6 carbon atoms that is substituted by one or two hydroxyl groups or a cyclopropylhydroxymethyl group, are disclosed. A pharmaceutical composition comprising the above derivatives is useful as a therapeutic agent for hyperparathyroidism such as secondary hyperparathyroidism.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: November 5, 1991
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Yasuho Nishii, Yumiko Takita
  • Osteogenesis promotion with use of vitamin D derivatives
    Patent number: 5053401
    Abstract: An osteogenesis promotion with use of a vitamin D derivative of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom or a hydroxyl group; and R.sub.4 is a hydrogen atom or a lower alkyl group having 4-6 carbon atoms that may or may not be substituted by a hydroxyl group, are disclosed. A pharmaceutical composition comprising the above derivatives is useful as a therapeutic agent for osteoporosis.
    Type: Grant
    Filed: February 27, 1990
    Date of Patent: October 1, 1991
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Toshio Matsumoto, Yasuho Nishii
  • Novel aminobenzoic acid derivatives, process for preparing the same and pharmaceutical composition containing the same
    Patent number: 4092426
    Abstract: An aminobenzoic acid derivative represented by the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are defined hereinbelow, which has excellent activity for improving liver function and for potentiating and normalizing immunity; a process for preparing the same; and a pharmaceutical composition containing the same are disclosed.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: May 30, 1978
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Mitsuru Tanemura, Teizo Shinozaki, Minoru Shindo, Shun-ichi Hata, Koji Mizuno, Masayoshi Ono, Kiyoshige Wakabayashi, Toshiaki Nakano, Yasuho Nishii, Takashi Matsuno, Yoshiyuki Ohsugi
  • Method for treating alcoholism
    Patent number: 4058601
    Abstract: A pharmaceutical composition for reducing the alcohol content or slowing the rate of increase thereof in the blood and inhibiting the accumulation of neutral lipid in the liver containing a uridine diphosphate as an effective ingredient and a method of the use thereof are disclosed.
    Type: Grant
    Filed: July 1, 1975
    Date of Patent: November 15, 1977
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Shun-ichi Hata, Koji Mizuno, Yasuho Nishii, Etsuko Mitsuishi, Motoharu Shiba
  • Method of treating alcoholism
    Patent number: 4027017
    Abstract: A pharmaceutical composition for treating alcoholism containing a uridine diphosphate glucuronic acid as an effective ingredient and a method of the use thereof are disclosed.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: May 31, 1977
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Shun-ichi Hata, Koji Mizuno, Yasuho Nishii, Etsuko Mitsuishi, Motoharu Shiba
  • Phthalazine derivatives and salts thereof
    Patent number: 4011219
    Abstract: Phthalazine derivatives represented by the formula ##STR1## and salts thereof which are useful for a luminescence immuno assay, or a process for preparing the same are disclosed.
    Type: Grant
    Filed: March 28, 1975
    Date of Patent: March 8, 1977
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Yasuho Nishii, Shun-ichi Hata, Kiyoshige Wakabayashi, Koji Mizuno, Akio Yoshida, Minoru Shindo