Patents by Inventor Masami Ohashi

Masami Ohashi 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).

  • Methods of reducing tumor colony number using novel benzothiazole compounds
    Patent number: 6013659
    Abstract: This invention pertains to methods of treating cancer by reducing tumor colony number in a mammalian host using benzothiazole activated natural killer cells and interleukin-2. The benzothiazoles are of the formula I: ##STR1## wherein R.sub.1 is 4-OMe and R.sub.2 is 4-tBu or 4-CF.sub.3.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: January 11, 2000
    Assignee: University of Pittsburgh
    Inventors: Ronald H. Goldfarb, Masami Ohashi, Kohichiro Yoshino
  • Indicating apparatus
    Patent number: 4975807
    Abstract: The present invention relates to an indicating apparatus which has light-refractive sections comprising concave and convex sections that are formed of ultraviolet-cured resin having light transmission properties and are disposed on a back surface of an indicating plate and adjacent an illuminating light source, is easy to manufacture, and, furthermore, is capable of obtaining the same three-dimensional illumination effect as those processed into a form of lens.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: December 4, 1990
    Assignees: Nippon Seiki, Kabushiki Kaisha Asahi Keiki Seisakusho
    Inventor: Masami Ohashi
  • Novel benzothiazole and antirheumatic agent comprising it as an active ingredient
    Patent number: 4910211
    Abstract: A benzothiazole of the following formula ##STR1## in which R represents a methyl, methoxy, carboxyl or methoxycarbonyl group. The compound is useful for treating rheumatic arthritis.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: March 20, 1990
    Assignee: Kanebo Ltd.
    Inventors: Atsushi Imamura, Noriyuki Hori, Tadayuki Saito, Noriyasu Nishimura, Masami Ohashi, Kohichiro Yoshino