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. 18, 2008
Filed:
Dec. 05, 2006
Applicant:
Yasutaka Imai, Chino, JP;
Inventor:
Yasutaka Imai, Chino, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical semiconductor element includes: a surface-emitting type semiconductor laser that emits laser light; and an electrostatic breakdown protection element that is provided on an optical path of the laser light emitted from the surface-emitting type semiconductor laser, absorbs a portion of the laser light, and protects the surface-emitting type semiconductor laser from electrostatic destruction.
Imai, Yasutaka. (2008). Optical semiconductor element and method for manufacturing the same (U.S. Patent No. 7453915). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7453915
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