Patents by Inventor Minoru Okayama

Minoru Okayama 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).

  • Low-molecular heparin modification and remedy for skin ulcer
    Patent number: 6569840
    Abstract: The invention is direct to modified heparins, especially low-molecular weight modified heparins that are adapted for used in preparing an agent for treating a skin ulcer. The low-molecular weight modified heparins have been substantially deprived of the anticoagulant activity, yet they retain the ability to bind to cell growth factors, cytokines and cell adhesion molecules.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: May 27, 2003
    Inventors: Ikuo Yamashina, Minoru Okayama, Ken-ichi Toda
  • O-xylopyranoside series compounds and methods of use
    Patent number: 4454123
    Abstract: Disclosed is a D-xylopyranoside series compound represented by the following general formula: ##STR1## in which R.sup.1 represents a benzyl group, ##STR2## (X, Y and p are as defined in the specification), ##STR3## --S--R.sup.2 (R.sup.2 is as defined in the specification), or an alkyl group having from 6 to 25 carbon atoms, said compounds alter the nature and amount of proteoglycan on the surface of tumor cells to thereby enhance the immune reaction to said tumor cells.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: June 12, 1984
    Assignee: Seikagaku Kogyo Co. Ltd.
    Inventors: Ryoji Noyori, Sakaru Suzuki, Minoru Okayama, Katukiyo Sakurai, Shigeyoshi Kamohara, Yoshio Ueno
  • C-.beta.-D-Xylopyranoside series compounds
    Patent number: 4446312
    Abstract: Disclosed are novel C-.beta.-D-xylopyranoside series compounds which are expected to have an inhibitive effect on cancers, vascular sclerosis, thrombus and the like. The C-.beta.-D-xylopyranoside series compounds are represented by the following general formula: ##STR1## in which R denotes a lower alkyl group having from 1 to 5 carbon atoms.
    Type: Grant
    Filed: February 14, 1983
    Date of Patent: May 1, 1984
    Assignee: Seikagaku Kogyo Co., Ltd.
    Inventors: Ryoji Noyori, Sakaru Suzuki, Minoru Okayama