The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 2010
Filed:
Jul. 26, 2004
Applicants:
Ikuo Uematsu, Yokohama, JP;
Ichiro Tono, Yokohama, JP;
Kayoko Oomiya, Yokohama, JP;
Hideo Eto, Yokohama, JP;
Inventors:
Ikuo Uematsu, Yokohama, JP;
Ichiro Tono, Yokohama, JP;
Kayoko Oomiya, Yokohama, JP;
Hideo Eto, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12M 1/34 (2006.01); C12M 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical biosensor has a total reflection plate so as to totally internally reflect and transmit an incident light, a first grating and a second grating disposed separately on the total reflection plate, and a sensing membrane that is containing an enzyme and a chromogenic reagent and is sandwiched by the first and second gratings on the total reflection plate.