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:
Nov. 11, 2008
Filed:
Jun. 09, 2004
Applicants:
Atsushi Takakuwa, Shiojiri, JP;
Takayuki Kondo, Suwa, JP;
Inventors:
Atsushi Takakuwa, Shiojiri, JP;
Takayuki Kondo, Suwa, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 37/022 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing an optical waveguide includes the steps of forming a liquid-repellent region upon a substrate, and forming the optical waveguide in a region upon the substrate other than the liquid-repellent region.
Takakuwa, Atsushi. (2008). Method for manufacturing optical waveguide, optical waveguide device, electro-optical apparatus and electronic apparatus (U.S. Patent No. 7448233). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7448233
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile