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. 14, 2025
Filed:
Jul. 15, 2022
Applicant:
Fujitsu Optical Components Limited, Kawasaki, JP;
Inventors:
Akihito Kezuka, Kawasaki, JP;
Tamotsu Akashi, Atsugi, JP;
Assignee:
FUJITSU OPTICAL COMPONENTS LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/225 (2006.01); G02F 1/065 (2006.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
G02F 1/225 (2013.01); G02F 1/065 (2013.01); G02F 1/212 (2021.01);
Abstract
An optical waveguide device includes a slot groove formed in a substrate; a pair of electrodes disposed in the slot groove; an electro-optic polymer material in the slot groove; and a step portion formed at an outer side of the slot groove, in a length direction of the slot groove.