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:
Nov. 26, 1991
Filed:
Nov. 13, 1990
Tetsuya Yagi, Hyogo, JP;
Misao Hironaka, Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A semiconductor light emission system, comprising a semiconductor laser part constituted of a second conductive current restricting layer with a striped groove perforated therein, a first conductive clad layer, a first or second conductive active layer, a second conductive clad layer on a first conductive substrate, and a second conductive - first conductive - second conductive bipolar transistor part constituted of said second conductive current restricting layer, first conductive clad layer, first or second conductive active layer, second conductive active layer in a position other than the semiconductor laser part.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile