Patents by Inventor Kimiyoshi Tsuji

Kimiyoshi Tsuji 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).

  • Transgenic swine having HLA-D gene, swine cells thereof and xenografts therefrom
    Patent number: 6639122
    Abstract: The invention provides a transgenic swine having a transgene encoding a human HLA-DQ or HLA-DR protein, and the swine cells thereof. The invention also provides a graft derived from the transgenic swine, in particular a graft-organ or a graft-tissue, which is useful for grafting into a human recipient.
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: October 28, 2003
    Assignee: Animal Technology Institute Taiwan
    Inventors: Ching-Fu Tu, Chun-Jean Lee, Jang-Ming Lee, Kimiyoshi Tsuji
  • Process for the formation of human-human hybridoma
    Patent number: 4916072
    Abstract: A human-human hybridoma is formed by subjecting a transformed human cell to a proliferaton inhibitory treatment and then fusing the thus-treated human cell with a human antibody producing cell. A desired clone may be selected from the resultant fused cells by using an anti-HLA antibody.
    Type: Grant
    Filed: March 30, 1987
    Date of Patent: April 10, 1990
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kimiyoshi Tsuji, Nobunao Ikewaki