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.

Date of Patent:
Nov. 03, 2026

Filed:

Oct. 05, 2022
Applicant:

Sumitomo Electric Industries, Ltd., Osaka, JP;

Inventors:

Shigeyuki Tanaka, Osaka, JP;

Yutaka Matsumura, Osaka, JP;

Taro Fujita, Osaka, JP;

Takumi Ooshima, Kanuma, JP;

Hirotaka Kato, Kanuma, JP;

Jo Yagisawa, Kanuma, JP;

Shinya Nishikawa, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 7/02 (2006.01); C08L 23/0869 (2025.01); C08L 75/04 (2006.01); H01B 3/44 (2006.01); H01B 3/30 (2006.01);
U.S. Cl.
CPC ...
H01B 7/0216 (2013.01); C08L 23/0869 (2013.01); C08L 75/04 (2013.01); H01B 3/44 (2013.01); C08L 2203/202 (2013.01); H01B 3/302 (2013.01);
Abstract

A multicore cable according to one embodiment of the present disclosure includes a core wire including a plurality of core electric wires stranded together; and a sheath layer disposed around the core wire, wherein each of the core wires includes a conductor including a plurality of elemental wires twisted together and an insulating layer that covers an outer periphery of the conductor, wherein the sheath layer includes an inner sheath layer and an outer sheath layer covering the inner sheath layer, wherein a main component of the inner sheath layer is a copolymer of ethylene and (meth)acrylic acid alkyl ester, and wherein a content of the (meth)acrylic acid alkyl ester in the copolymer is more than 7 mass %.


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Tanaka, Shigeyuki. (2026). Multicore cable (U.S. Patent No. 12784935). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12784935

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