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. 05, 1999
Filed:
Jul. 01, 1997
Applicant:
Inventors:
Naoki Sakurai, Hitachi, JP;
Masahiro Nagasu, Hitachinaka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257139 ; 257147 ; 257133 ;
Abstract
An inverter with an improved semiconductor device is provided having a pn junction composed of a first semiconductor layer made of a first conductivity type semiconductor and a second semiconductor layer made of a second conductivity type semiconductor having a wider band-gap than that of the first semiconductor layer.
Sakurai, Naoki. (1999). Inverter apparatus having improved switching element (U.S. Patent No. 5962877). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5962877
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile