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:
Aug. 24, 2004
Filed:
Dec. 17, 2001
Naoki Tsukiji, Chiyoda-ku, JP;
Junji Yoshida, Chiyoda-ku, JP;
Masaki Funabashi, Chiyoda-ku, JP;
Toshio Kimura, Chiyoda-ku, JP;
Takeshi Aikiyo, Chiyoda-ku, JP;
Takeo Shimizu, Chiyoda-ku, JP;
Toshiro Yamamoto, Chiyoda-ku, JP;
Tomoaki Toratani, Chiyoda-ku, JP;
Hiroshi Matsuura, Chiyoda-ku, JP;
Mieko Konishi, Chiyoda-ku, JP;
Masashi Nakae, Chiyoda-ku, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
A single semiconductor laser device used in a semiconductor laser module of an optical amplifier and having a first light emitting stripe with a diffraction grating and at least one other light emitting stripe with a diffraction grating and which are aligned to respectively emit a first laser beam and at least one other laser beam through one edge surface.