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:
Jan. 13, 2009
Filed:
Sep. 24, 2004
Applicants:
Jun Maede, Kyoto, JP;
Shinichi Abe, Kyoto, JP;
Akio Fujikawa, Kyoto, JP;
Inventors:
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A current mirror type D/A converter circuit is constructed with transistor cells each including a MOS transistor, a gate region of which MOS transistor has folded stripe configuration in a plan view thereof, or a current flowing direction in a channel of which is a folded stripe in plan view.