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.

Date of Patent:
Nov. 17, 2009

Filed:

Mar. 27, 2008
Applicants:

Toshihiko Suzuki, Kanagawa, JP;

Shigemi Ohtsu, Kanagawa, JP;

Keishi Shimizu, Kanagawa, JP;

Kazutoshi Yatsuda, Kanagawa, JP;

Akira Fujii, Kanagawa, JP;

Eiichi Akutsu, Kanagawa, JP;

Inventors:

Toshihiko Suzuki, Kanagawa, JP;

Shigemi Ohtsu, Kanagawa, JP;

Keishi Shimizu, Kanagawa, JP;

Kazutoshi Yatsuda, Kanagawa, JP;

Akira Fujii, Kanagawa, JP;

Eiichi Akutsu, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an optical waveguide including: a cladding; at least one core embedded in the cladding; and a colored layer that is provided at a portion substantially overlapping with the core when viewed from a direction substantially perpendicular to the principal surfaces of the optical waveguide, and that is not in contact with the core.


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