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:
Oct. 28, 2025
Filed:
Mar. 06, 2023
Applicant:
Furukawa Electric Co., Ltd., Tokyo, JP;
Inventors:
Masanori Takahashi, Tokyo, JP;
Koichi Maeda, Tokyo, JP;
Ryuichi Sugizaki, Tokyo, JP;
Yoshihiro Arashitani, Tokyo, JP;
Assignee:
FURUKAWA ELECTRIC CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01);
U.S. Cl.
CPC ...
G02B 6/02042 (2013.01);
Abstract
A multicore fiber includes: a plurality of first glass regions each including: a core portion; and a first cladding portion having a lower refractive index than a maximum refractive index of the core portion; and a cladding region formed on outer peripheries of the plurality of first glass regions, wherein compressive stress is applied to the plurality of first glass regions.
Quick Actions:
Takahashi, Masanori. (2025). Multicore fiber (U.S. Patent No. 12455412). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12455412
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile