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. 10, 2020
Filed:
Sep. 29, 2017
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventor:
Ryokichi Matsumoto, Sakura, JP;
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/067 (2006.01); H01S 3/094 (2006.01); H01S 3/0941 (2006.01); G02B 6/255 (2006.01); G02B 6/036 (2006.01); H01S 3/17 (2006.01); H01S 3/16 (2006.01);
U.S. Cl.
CPC ...
H01S 3/06716 (2013.01); G02B 6/036 (2013.01); G02B 6/255 (2013.01); H01S 3/06733 (2013.01); H01S 3/0941 (2013.01); H01S 3/094007 (2013.01); H01S 3/0675 (2013.01); H01S 3/094011 (2013.01); H01S 3/1618 (2013.01); H01S 3/176 (2013.01);
Abstract
An optical fiber includes: an optical waveguide; and a resin coating that is lower in refractive index than the optical waveguide and covers a side surface of the optical waveguide except in a coating-removed section of the side surface. The coating-removed section of the side surface is covered throughout with an inorganic layer that is lower in refractive index than the optical waveguide.
Matsumoto, Ryokichi. (2020). Optical fiber and fiber laser (U.S. Patent No. 10833470). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10833470
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile