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. 20, 1990
Filed:
Feb. 17, 1989
Applicant:
Inventors:
Toshitami Hara, Tokyo, JP;
Akira Shimizu, Tokyo, JP;
Yoshinobu Sekiguchi, Kawasaki, JP;
Seiichi Miyazawa, Kawasaki, JP;
Hidetoshi Nojiri, Matsudo, JP;
Isao Hakamada, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; H01S / ; H01L / ;
U.S. Cl.
CPC ...
350 9611 ; 350-68 ; 350 9612 ; 372 24 ; 372 46 ; 372 50 ; 372 96 ; 372 97 ; 357 17 ;
Abstract
In a multibeam emitting device provided with a plurality of semiconductive light-emitting elements monolithically formed on a semiconductor substrate, the semiconductor light-emitting elements are formed so that the directions of emission of the lights emitted from the elements differ from one another.