Patents by Inventor Hiroshi Handa

Hiroshi Handa 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).

  • DNA-immobilized microspheres and a process for purifying a DNA-transcription-controlling factor using the same
    Patent number: 5122600
    Abstract: There are disclosed a DNA-immobilized microsphere comprising DNA chains having base sequences which bind a specific protein specifically, and a carrier having a particle size of not more than 50 .mu.m and not less than 0.01 .mu.m which does not adsorb any protein, said carrier and said DNA chains being bound to each other by a chemical bond, and a process for purifying a protein using said microsphere.
    Type: Grant
    Filed: September 22, 1989
    Date of Patent: June 16, 1992
    Assignee: Nippon Zeon Co., Ltd.
    Inventors: Haruma Kawaguchi, Akira Asai, Yasuji Ohtsuka, Hiroshi Handa