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:
Sep. 13, 2011
Filed:
May. 20, 2009
Applicants:
Naotaka Mukoyama, Tokyo, JP;
Kazuhiro Sakai, Kanagawa, JP;
Hiroki Sugibuchi, Kanagawa, JP;
Akira Sakamoto, Kanagawa, JP;
Inventors:
Naotaka Mukoyama, Tokyo, JP;
Kazuhiro Sakai, Kanagawa, JP;
Hiroki Sugibuchi, Kanagawa, JP;
Akira Sakamoto, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/32 (2006.01); G02B 6/26 (2006.01); G02B 6/36 (2006.01); G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical transmission apparatus includes a light receiving element and an optical waveguide. The light receiving element receives light. The optical waveguide includes a core, a clad and a concave portion. The clad is adjacent to the core. The concave portion is formed in a portion of the core or a portion of the clad and diffuses the light. The portion of the core or the portion of the clad emits the light toward the light receiving element.