Inventor
WATANABE KENGO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE KENGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FURUKAWA ELECTRIC CO LTD
14 patentsUS11125950B2Sep 21, 2021
Optical connector, and optical connector connection structure
FURUKAWA ELECTRIC CO LTD9 citations85
US9541707B2Jan 10, 2017
Method for connecting multi-core fiber, multi-core fiber, and method for manufacturing multi-core fiber
FURUKAWA ELECTRIC CO LTD10 citations83
US9158064B2Oct 13, 2015
Method for producing bundle structure including a plurality of optical fibers, method for connecting optical fibers, bundle terminal structure comprising capillary and optical fibers, and fiber connection structure comprising bundle terminal structure comprising capillary and optical fibers
FURUKAWA ELECTRIC CO LTD16 citations83
US10012803B2Jul 3, 2018
Optical fiber bundle structure and optical fiber connection structure
FURUKAWA ELECTRIC CO LTD3 citations72
US9829652B2Nov 28, 2017
Connector structure and connector connection structure
FURUKAWA ELECTRIC CO LTD6 citations72
US9692201B2Jun 27, 2017
Optical-fiber-bundle structure, rare-earth-doped multi-core fiber, connection structure therefor, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier
FURUKAWA ELECTRIC CO LTD3 citations72
US9658410B2May 23, 2017
Optical connector, method for aligning multi-core fiber with bundle structure, and fiber arrangement conversion member
FURUKAWA ELECTRIC CO LTD6 citations72
US10139574B2Nov 27, 2018
Multi-core connector, connector, and connector connection mechanism
FURUKAWA ELECTRIC CO LTD4 citations71
US12399317B2Aug 26, 2025
Optical fiber bundle structure, optical fiber connection structure, and optical fiber bundle structure manufacturing method
FURUKAWA ELECTRIC CO LTD0 citations62
US11936156B2Mar 19, 2024
Optical power transmission apparatus
FURUKAWA ELECTRIC CO LTD0 citations62
US9225141B2Dec 29, 2015
Multi-core amplification optical fiber and multi-core optical fiber amplifier
FURUKAWA ELECTRIC CO LTD3 citations61
US12306445B2May 20, 2025
Optical connector and optical connector connection structure
FURUKAWA ELECTRIC CO LTD0 citations50
US12197015B2Jan 14, 2025
Optical fiber connection state determination system and optical fiber connection state determination method
FURUKAWA ELECTRIC CO LTD0 citations49
US11553964B2Jan 17, 2023
Optical probe, medical laser probe, and cauterization device
FURUKAWA ELECTRIC CO LTD0 citations49