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:
Feb. 14, 2023
Filed:
Jun. 10, 2020
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Katsushi Hamakubo, Osaka, JP;
Chiaki Tokuda, Osaka, JP;
Noriaki Iwaguchi, Osaka, JP;
Tatsuya Konishi, Osaka, JP;
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); C03C 25/105 (2018.01); C03C 25/1065 (2018.01);
U.S. Cl.
CPC ...
G02B 6/02395 (2013.01); C03C 25/105 (2013.01); C03C 25/109 (2013.01);
Abstract
An optical fiber comprises a glass fiber comprising a core and a cladding, and a coating resin layer, wherein the coating resin layer has a primary resin layer being in contact with the glass fiber and coating the glass fiber, and a secondary resin layer coating the primary resin layer, and the primary resin layer and the secondary resin layer are resin layers containing inorganic oxide particles.