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:
Aug. 23, 2022
Filed:
Jun. 20, 2019
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Yusuke Yamada, Tsukuba, JP;
Masashi Kikuchi, Tsukuba, JP;
Hisashi Izumita, Tsukuba, JP;
Junichi Kawataka, Tsukuba, JP;
Kazunori Katayama, Tsukuba, JP;
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/036 (2006.01); G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
G02B 6/036 (2013.01); G02B 6/443 (2013.01);
Abstract
An optical fiber cableincludes at least one optical fiber coreand a sheath containing the optical fiber core. The optical fiber coreincludes optical fibers. A total length of the optical fiber coreis longer than that of the sheath. The optical fiber coreis contained in the sheathso that bending occurs in the optical fibers