Patents by Inventor Shunji Hasumi

Shunji Hasumi 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).

  • Quick-dissolution solid preparation
    Patent number: 5624687
    Abstract: The invention provides a solid preparation having a quick and pH-independent dissolution with an excellent bioavailability for a drug that is otherwise sharply depressed in solubility with pH elevation. This solid preparation contains granules each comprising a fine particulate core coated with a solid solution comprising a drug which is pH-dependent in solubility and may be released from an enteric base-containing composition at low pH and an enteric base.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: April 29, 1997
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Katsuhiko Yano, Yasuhiro Nishizono, Shigeru Yamazaki, Tadayoshi Ohmura, Shunji Hasumi
  • Pharmaceutical compositions comprising calcitonin and an absorption-promoting substance
    Patent number: 4788221
    Abstract: Pharmaceutical compositions for intranasal administration comprising (a) calcitonin and (b) at least one absorption enhancer selected from the group consisting of benzyl alcohol, ethanol, thiamine or a salt thereof, salicylic acid or a salt thereof, capric acid or a salt thereof, Macrogol 400, pyridoxal or a salt thereof, malic acid or a salt thereof and pyrophosphoric acid or a salt thereof, in (c) a liquid diluent or carrier, suitable for application to the nasal mucosa.
    Type: Grant
    Filed: May 5, 1987
    Date of Patent: November 29, 1988
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Seiya Kagatani, Shunji Hasumi, Takashi Sonobe, Masayoshi Aruga
  • Oily composition of aclarubicin or hydrochloride thereof
    Patent number: 4772590
    Abstract: An oily composition of aclarubicin or aclarubicin hydrochloride comprising aclarubicin or aclarubicin hydrochloride; at least one fatty acid selected from saturated medium chain fatty acids, unsaturated medium chain fatty acids and unsaturated long chain fatty acids; and at least one fats and oils selected from iodized oils and vegetable oils.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: September 20, 1988
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Hiroitsu Kawata, Shunji Hasumi, Akira Okada, Masayoshi Aruga, Toshimitsu Konno, Ken Iwai, Hiroshi Maeda
  • Pharmaceutical compositions for nasal administration comprising calcitonin and an absorption-promoting substance
    Patent number: 4690952
    Abstract: Pharmaceutical compositions for intranasal administration comprising (a) calcitonin and (b) at least one absorption enhancer selected from the group consisting of benzyl alcohol, ethanol, thiamine or a salt thereof, salicylic acid or a salt thereof, capric acid or a salt thereof, Macrogol 400, pyridoxal or a salt thereof, malic acid or a salt thereof and pyrophosphoric acid or a salt thereof, in (c) a liquid diluent or carrier, suitable for application to the nasal mucosa.
    Type: Grant
    Filed: November 22, 1985
    Date of Patent: September 1, 1987
    Assignee: Yamanouchi Pharmaceutical Co., Inc.
    Inventors: Seiya Kagatani, Shunji Hasumi, Takashi Sonobe, Masayoshi Aruga
  • Oily compositions of antitumor drugs
    Patent number: 4578391
    Abstract: An oily composition of an antitumor drug comprising at least one sparingly oil soluble or water-soluble antitumor drug, at least one fat or oil, and at least one solubilizing adjuvant in an oily vehicle selected from the group consisting of crown ether, lecithin, polyethylene glycol, propylene glycol, vitamin E, polyoxyethylene alkylether, and sucrose esters of fatty acids.
    Type: Grant
    Filed: January 13, 1983
    Date of Patent: March 25, 1986
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Hiroitsu Kawata, Tadayoshi Ohmura, Shunji Hasumi, Yutaka Konno, Masayoshi Aruga, Seiki Tashiro, Toshimitsu Konno, Ken Iwai