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:
Oct. 13, 2009
Filed:
Mar. 28, 2005
Applicant:
Rei Yoshikawa, Kanagawa, JP;
Inventor:
Rei Yoshikawa, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01C 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device is disclosed that includes a resistive element including a first resistor having a positive temperature coefficient and a second resistor having a negative temperature coefficient. The first resistor includes a metal film.