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:
Jul. 30, 2019
Filed:
Jun. 02, 2016
Applicant:
Sumitomo Osaka Cement Co., Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Yuu Nakata, Tokyo, JP;
Katsutoshi Kondou, Tokyo, JP;
Tetsuya Fujino, Tokyo, JP;
Junichiro Ichikawa, Tokyo, JP;
Assignee:
SUMITMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/225 (2006.01); G02F 1/01 (2006.01); G02B 6/00 (2006.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
G02F 1/2257 (2013.01); G02F 1/0126 (2013.01); G02F 1/2255 (2013.01); G02F 2001/212 (2013.01); G02F 2202/20 (2013.01);
Abstract
An optical waveguide device includes a substrate with an electro-optic effect on which an optical waveguide and an electrode for controlling optical waves propagating through the optical waveguide are formed and at least one light source for irradiating ultraviolet light on the substrate.