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. 25, 2013
Filed:
Dec. 11, 2009
Applicants:
Shinsuke Tanaka, Kawasaki, JP;
Shigeaki Sekiguchi, Kawasaki, JP;
Inventors:
Shinsuke Tanaka, Kawasaki, JP;
Shigeaki Sekiguchi, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/028 (2006.01); H01S 5/026 (2006.01); H01S 5/068 (2006.01); H01S 5/34 (2006.01); H01S 5/22 (2006.01); H01S 5/10 (2006.01);
U.S. Cl.
CPC ...
H01S 5/0288 (2013.01); H01S 5/0268 (2013.01); H01S 5/06817 (2013.01); H01S 5/34 (2013.01); H01S 5/2206 (2013.01); H01S 5/101 (2013.01);
Abstract
A semiconductor optical amplifier includes a semiconductor substrate; an optical waveguide that includes an active layer formed on the semiconductor substrate; and a wavelength selective reflection film that is formed on an end face where signal light is incident on the optical waveguide the wavelength selective reflection film allows transmission of the signal light, and reflects light of any wavelength other than the signal light.
Tanaka, Shinsuke. (2013). Semiconductor optical amplifier and optical module (U.S. Patent No. 8472109). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8472109
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile