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:
Mar. 22, 2011
Filed:
Nov. 13, 2003
Applicants:
Shigeru Nakagawa, Tokyo, JP;
Haruhisa Soda, Tokyo, JP;
Inventors:
Shigeru Nakagawa, Tokyo, JP;
Haruhisa Soda, Tokyo, JP;
Assignee:
FiBest, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01); G02F 1/035 (2006.01); G02F 1/015 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical module, which is arranged in an optical transmission path, includes an optical amplifying unit configured with a semiconductor, wherein the optical amplifying unit amplifies light input from the optical transmission path, and an optical element configured with a semiconductor, wherein the optical element propagates the light amplified by the optical amplifying unit to the optical transmission path.
Nakagawa, Shigeru. (2011). Optical module and optical communication system (U.S. Patent No. 7911686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7911686
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile