Patents by Inventor Tohko Okuyama

Tohko Okuyama 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).

  • Device and method for assaying biological components in sample
    Patent number: 5759866
    Abstract: By using an assay device comprising a sample-receiving port, a pump-connection port, a sample-treating zone which is provided with a labeled substance with a label, a sample-treating and optical-measuring zone which has a porous material having immobilized thereto one of a specifically binding pair, and a pathway interconnecting these zones and ports, wherein the sample-treating zone and the sample-treating and optical-measuring zone are positioned between the sample-receiving port and the pump-connection port;or by using an assay device comprising a sample-receiving port, a pump-connection port, a sample-treating and optical-measuring zone which has a porous material having immobilized thereto a labeled substance with a label and one of a specifically binding pair, and a pathway interconnecting these zone and ports, wherein the sample-treating and optical-measuring zone is positioned between the sample-receiving port and the pump-connection port,biological components can be quantitatively determined by immun
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: June 2, 1998
    Assignee: Nihon Medi-Physics Co., Ltd.
    Inventors: Koichi Machida, Hajime Nakano, Masashi Okamoto, Tohko Okuyama, Shigeru Fujioka