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:
Aug. 09, 1994
Filed:
Dec. 31, 1991
Applicant:
Inventors:
Yasuhiko Fujita, Kanagawa, JP;
Haruyuki Miyata, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257369 ; 257371 ; 257372 ; 257500 ;
Abstract
First and second well regions of a second conductivity type are formed in a semiconductor substrate of a first conductivity type. An analog circuit is formed in the first well region. A digital circuit is formed in the second well region.
Quick Actions:
Fujita, Yasuhiko. (1994). Semiconductor integrated circuit device having analog circuit and (U.S. Patent No. 5336915). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5336915
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