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:
Jun. 04, 2024
Filed:
Sep. 20, 2021
Furukawa Electric Co., Ltd., Tokyo, JP;
Masanori Takahashi, Tokyo, JP;
Koichi Maeda, Tokyo, JP;
Shinichi Arai, Tokyo, JP;
Ryuichi Sugizaki, Tokyo, JP;
Masayoshi Tsukamoto, Tokyo, JP;
FURUKAWA ELECTRIC CO., LTD., Tokyo, JP;
Abstract
A multicore fiber includes: n pieces of first core regions in a circular shape with a radius rthat are arranged about points Pto P, and that has a first core portion and a first cladding portion; a second core region in a circular shape with a radius Rthat is arranged about the point a, and that has a second core portion and a second cladding portion; and a cladding region that is formed on an outer circumferences of the first core region and the second core region. Further, abutting surfaces that are flat surfaces abutting on each other are formed in portions on the outer circumferences of the first core region and the second core region.