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.:

US 8194469 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 05, 2012

Filed:

Jan. 28, 2009
Applicants:

Tsutomu Tanaka, Kanagawa, JP;

Dharam Pal Gosain, Tokyo, JP;

Inventors:

Tsutomu Tanaka, Kanagawa, JP;

Dharam Pal Gosain, Tokyo, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical sensor element has a gate electrode opposed to a semiconductor layer made of an oxide semiconductor via a gate insulating film, source and drain electrodes being connected to the semiconductor layer, wherein the amount of light received by the semiconductor layer is read out as a drain current which changes in a non-volatile manner relative to a gate voltage.


Find Patent Forward Citations

Tanaka, Tsutomu. (2012). Optical sensor element, imaging device, electronic equipment and memory element (U.S. Patent No. 8194469). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8194469

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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