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:
Mar. 05, 2024
Filed:
Jan. 17, 2023
Applicants:
Fujikura Ltd., Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Masatoshi Ohno, Sakura, JP;
Akira Namazue, Sakura, JP;
Ken Osato, Sakura, JP;
Yusuke Yamada, Musashino, JP;
Yuta Maruo, Musashino, JP;
Akira Sakurai, Musashino, JP;
Shigekatsu Tetsutani, Musashino, JP;
Hiroaki Tanioka, Musashino, JP;
Assignees:
Fujikura Ltd., Tokyo, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
G02B 6/448 (2013.01); G02B 6/4404 (2013.01); G02B 6/4413 (2013.01); G02B 6/4432 (2013.01); G02B 6/4434 (2013.01);
Abstract
An optical cable includes: twisted optical fiber units each including a fiber group formed by optical fibers. At least one of the optical fiber units includes a filling that wraps an outer circumference of the fiber group.