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:
Nov. 11, 2025
Filed:
Feb. 18, 2022
Fujikura Ltd., Tokyo, JP;
Takuya Oda, Sakura, JP;
Fujikura Ltd., Tokyo, JP;
Abstract
An optical input/output device includes: one or more multicore fibers each comprising one or more transmitting cores and one or more receiving cores; first transmitting single-core fibers whose number is equal to a total number of the transmitting cores; first receiving single-core fibers whose number is equal to a total number of the receiving cores in all the multicore fibers; a fan-in/fan-out device that optically couples each core of the first transmitting single-core fibers and each of the transmitting cores at one end of a respective one of the first transmitting single-core fibers, and optically couples each of the first receiving single-core fibers and each of the receiving cores at one end of a respective one of the first receiving single-core fibers; and a transmission/reception connector comprising connector ports whose number is equal to a total number of the first transmitting single-core fibers and the first receiving single-core fibers.