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:
Apr. 27, 2021
Filed:
Apr. 26, 2018
Applicants:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Sumitomo Electric Wintec, Inc., Shiga, JP;
Inventors:
Shinya Ota, Osaka, JP;
Masaaki Yamauchi, Osaka, JP;
Hideaki Saito, Osaka, JP;
Shuhei Maeda, Osaka, JP;
Yasushi Tamura, Shiga, JP;
Kengo Yoshida, Shiga, JP;
Assignees:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
SUMITOMO ELECTRIC WINTEC, INC., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 3/30 (2006.01); C09D 179/08 (2006.01); H01B 3/00 (2006.01);
U.S. Cl.
CPC ...
H01B 3/306 (2013.01); C09D 179/08 (2013.01); H01B 3/006 (2013.01);
Abstract
An insulated electrical cable includes: a conductor; and an insulating layer that is laminated on an outer peripheral surface of the conductor and includes a polyimide as a main component, wherein the insulating layer includes a plurality of pores, and wherein a porosity of the insulating layer is greater than or equal to 25% by volume and less than or equal to 60% by volume.