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:
Jan. 02, 1990
Filed:
Jun. 10, 1988
Applicant:
Inventors:
Toshihiko Yoshida, Tenri, JP;
Taiji Morimoto, Nara, JP;
Shinji Kaneiwa, Nara, JP;
Masahiro Yamaguchi, Tenri, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 50 ; 372 46 ;
Abstract
An integrated semiconductor laser device comprising a plurality of semiconductor laser device elements, at least one of which has a means for preventing the injection of current in the vicinity of one facet or both facets.