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:
Sep. 06, 2022
Filed:
Sep. 09, 2020
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Toyoaki Kimura, Osaka, JP;
Fumiaki Sato, Osaka, JP;
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
G02B 6/447 (2013.01);
Abstract
An optical fiber unit includes an optical fiber ribbon in which a plurality of optical fibers are arranged in parallel, and a colored bundle tape which is longitudinally wrapped or spirally wrapped around an optical fiber ribbon bundle in which the plurality of optical fiber ribbons are stranded together. One end portion in a width direction of the bundle tape and the other end portion in the width direction of the bundle tape overlap each other and are joined to each other, and the bundle tape covers an entire circumference of the optical fiber ribbon bundle.