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:
Jan. 27, 2009
Filed:
Apr. 03, 2007
Nobuhiko Hayashi, Osaka, JP;
Keiichi Kuramoto, Kadoma, JP;
Youhei Nakagawa, Hirakata, JP;
Mitsuaki Matsumoto, Hirakata, JP;
Hitoshi Hirano, Nishinomiya, JP;
Nobuhiko Hayashi, Osaka, JP;
Keiichi Kuramoto, Kadoma, JP;
Youhei Nakagawa, Hirakata, JP;
Mitsuaki Matsumoto, Hirakata, JP;
Hitoshi Hirano, Nishinomiya, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
Disclosed herein is an optical waveguide comprising a core layer to be an optical transmission region, an upper clad layer and a lower clad layer covering the core layer, in which the core layer, the upper clad layer and the lower clad layer are formed from resin materials, characterized in that a microlens made of a material having a higher refractive index than that of a material constituting said core layer is disposed in the vicinity of an end face of said core layer.