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:
Jul. 06, 1982
Filed:
Oct. 29, 1979
Applicant:
Inventor:
Masahiko Akamatsu, Amagasaki, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 38 ; 357 39 ; 357 86 ; 3072 / ; 3072 / ; 307305 ;
Abstract
A semiconductor element comprises the first conductive type first semiconductor layer (11) which has an exposed surface at the first surface side to contact with the first contact (21);
Akamatsu, Masahiko. (1982). Four terminal gto thyristor with transistor controlled turn-off (U.S. Patent No. 4338617). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4338617
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile