Patents Assigned to Yoshiharu Miura
  • Use of an organ culture of Catharanthus roseus to produce vincristine and vinblastine
    Patent number: 4910138
    Abstract: A method of preparing an organ culture from branched tissue of a Catharanthus roseus seedling is disclosed. The indole alkaloids vincristine and vinblastine can be recovered from the organ culture tissue via extraction.
    Type: Grant
    Filed: May 1, 1986
    Date of Patent: March 20, 1990
    Assignee: Yoshiharu Miura
    Inventors: Yoshiharu Miura, Kazumasa Hirata
  • Production of microbial cells from methanol
    Patent number: 4368271
    Abstract: Microbial cells are produced in great quantities and good yield, and economically by cultivating a bacterium belonging to species selected from the group consisting of Flavobacterium tosaensis, Pseudomonas wakayamaensis, Flavobacterium methanolicola, Corynebacterium yamanasiensis, in a culture medium containing methanol as a major carbon source. Methanol is abundantly available from the chemical industry. The resultant microbial cells have a high protein content and can be utilized as feed, food, medical and industrial materials.
    Type: Grant
    Filed: August 9, 1980
    Date of Patent: January 11, 1983
    Assignees: Sekisui Kagaku Kogyo Kabushiki Kaisha, Yoshiharu Miura
    Inventors: Yoshiharu Miura, Mitsuo Okazaki, Setsuo Komemushi, Tenji Sakata, Satoshi Shiroza, Satoshi Obana
  • Artificial medical material with anticoagulative activity
    Patent number: 4213962
    Abstract: An artificial medical material with an anticoagulative activity which comprises a carrier material, and heparin and antithrombin III co-immobilized thereon by a per se conventional procedure.
    Type: Grant
    Filed: July 25, 1978
    Date of Patent: July 22, 1980
    Assignees: Yoshiharu Miura, Hideo Doi
    Inventors: Yoshiharu Miura, Sadayoshi Aoyagi, Kazuhisa Miyamoto