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:
Dec. 21, 2010
Filed:
Aug. 31, 2006
Applicant:
Youichi Itagaki, Tama, JP;
Inventor:
Youichi Itagaki, Tama, JP;
Assignee:
Mitsumi Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01); G02B 6/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A waveguide device that guides light through a core part formed in a cladding part is disclosed. The waveguide device includes a waveguide part formed in the cladding part so as to have the same refractive index as the refractive index of the core part so that the waveguide part communicates with the core part, and a reflective part configured to perform at least one of reflecting the light guided by the core part toward the waveguide part and reflecting light from the waveguide part toward a direction in which the light is guided by the core part.