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. 11, 2006
Filed:
Aug. 27, 2003
Applicant:
Masaru Numano, Saitama, JP;
Inventor:
Masaru Numano, Saitama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical semiconductor device comprises: an optical semiconductor element; and a circuit. The circuit is connected to the optical semiconductor element and has a series rectifying circuit including a plurality of zener diodes connected in series. The circuit further has a rectifying element whose anode is connected to an anode of the series rectifying circuit.