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:
Feb. 22, 2011
Filed:
May. 27, 2008
Maiko Ariga, Tokyo, JP;
Kengo Muranushi, Tokyo, JP;
Mizuki Oike, Tokyo, JP;
Hiroshi Takano, Tokyo, JP;
Sayoko Ibe, Tokyo, JP;
Toshikazu Mukaihara, Tokyo, JP;
Maiko Ariga, Tokyo, JP;
Kengo Muranushi, Tokyo, JP;
Mizuki Oike, Tokyo, JP;
Hiroshi Takano, Tokyo, JP;
Sayoko Ibe, Tokyo, JP;
Toshikazu Mukaihara, Tokyo, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
An optical modulehas a laser light source, optical branching meansfor receiving laser light from the laser light source, making a part of the laser light pass through the optical branching means and branching a remaining part of the laser light; a photodetecting portionP receiving the remaining part of the laser light branched from the optical branching meansand a packageholding therein the laser light source, the optical branching meansand the photodetecting portionP, the packagehaving stray light reducing meansandprovided therein to reduce stray light generated inside the package.