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:
Jun. 29, 2010
Filed:
Aug. 27, 2007
Applicants:
Hiroshi Motomura, Miyagi, JP;
Naoto Jikutani, Miyagi, JP;
Shunichi Sato, Miyagi, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vertical cavity surface emitting laser element is provided that includes a substrate, a first semiconductor multilayer reflector including plural pairs of layers having differing refractive indexes and thermal resistances, a resonator region including an active layer, and a second semiconductor multilayer reflector including plural pairs of layers having differing refractive indexes and thermal resistances.
Motomura, Hiroshi. (2010). Surface emitting laser element, surface emitting laser array, optical scanning apparatus, image forming apparatus, and optical communication system (U.S. Patent No. 7746912). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7746912
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile