Patents by Inventor Shinichi Uesato

Shinichi Uesato 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).

  • 4,6-o-hydroxyphosphoryl-glucosamine derivatives
    Patent number: 5278300
    Abstract: 4,6-O-hydroxyphosphoryl-glucosamine derivatives as shown in the following formula [I] and their pharmaceutically-acceptable salts: ##STR1## wherein R.sub.1 and R.sub.2 represent a hydrogen atom or a hydroxy group; one of R.sub.3 and R.sub.4 represents --OCO(CH.sub.2).sub.n CH.sub.3, --CH.sub.2 (CH.sub.2).sub.n CH.sub.3, or --O--CH.sub.2 (CH.sub.2).sub.n CH.sub.3, and the other represents a hydrogen atom; l is an integer of 4-16; m is an integer of 4-16; and n is an integer of 6-18.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: January 11, 1994
    Assignees: Japan Tobacco, Inc., Akira Hasegawa
    Inventors: Akira Hasegawa, Shinichi Uesato, Tomio Ishida, Tomio Ishida
  • Lipid A monosaccharide analogues
    Patent number: 5191072
    Abstract: Lipid A monosaccharide analogues of the following general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a hydroxyl group, 1 is an integer of 8-14, m is an integer of 11-17 integer, and n is 8-14 integer.
    Type: Grant
    Filed: July 17, 1991
    Date of Patent: March 2, 1993
    Assignees: Japan Tobacco Inc., Akira Hasegawa
    Inventors: Akira Hasegawa, Makoto Kiso, Shinichi Uesato, Masanobu Suzuki, Tomio Ishida, Yutaka Saito