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:
Apr. 15, 2014
Filed:
Mar. 29, 2010
Nobuaki Matsuura, Kanagawa, JP;
Koichi Hadama, Kanagawa, JP;
Etsu Hashimoto, Kanagawa, JP;
Yuzo Ishii, Kanagawa, JP;
Mitsuo Usui, Kanagawa, JP;
Tohru Matsuura, Kanagawa, JP;
Toshiki Nishizawa, Kanagawa, JP;
Yuji Mitsuhashi, Kanagawa, JP;
Nobuaki Matsuura, Kanagawa, JP;
Koichi Hadama, Kanagawa, JP;
Etsu Hashimoto, Kanagawa, JP;
Yuzo Ishii, Kanagawa, JP;
Mitsuo Usui, Kanagawa, JP;
Tohru Matsuura, Kanagawa, JP;
Toshiki Nishizawa, Kanagawa, JP;
Yuji Mitsuhashi, Kanagawa, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
NTT Electronics Corporation, Yokohama-Shi, Kanagawa, JP;
Abstract
A light-shielding portion () shields the light spot of output light output toward a shunt position α by a projecting portion (). Hence, the output light output toward the shunt position α does not travel to an output port (). This allows to prevent crosstalk.