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:
Jul. 28, 2026
Filed:
Apr. 19, 2023
Sumitomo Electric Industries, Ltd., Osaka, JP;
Fumiaki Sato, Osaka, JP;
Ken Takahashi, Osaka, JP;
Yuuki Shimoda, Osaka, JP;
Toyoaki Kimura, Osaka, JP;
Yohei Suzuki, Osaka, JP;
Takemasa Akiyama, Osaka, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Abstract
An optical fiber cable includes a cable core including a plurality of optical fibers, at least one tensile strength member provided along the cable core, and a sheath configured to cover the cable core from an outside and enclose the tensile strength member. The tensile strength member is provided at one location on the sheath in a cross-sectional view. A core density obtained by dividing the number of the plurality of optical fibers by a cross-sectional area of the cable is 1.5 core/mmor more.