Inventor
IMAMURA KATSUNORI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “IMAMURA KATSUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FURUKAWA ELECTRIC CO LTD
16 patentsUS8755659B2Jun 17, 2014
Optical transmission system and multi-core optical fiber
FURUKAWA ELECTRIC CO LTD238 citations99
US8737793B2May 27, 2014
Multi-core optical fiber and method of manufacturing the same
FURUKAWA ELECTRIC CO LTD250 citations99
US7693379B2Apr 6, 2010
Holey fiber
FURUKAWA ELECTRIC CO LTD31 citations92
US8041173B2Oct 18, 2011
Multi-core optical fiber having alignment markers
FURUKAWA ELECTRIC CO LTD13 citations84
US7773845B2Aug 10, 2010
Optical fiber and optical-fiber transmission line
FURUKAWA ELECTRIC CO LTD14 citations84
US7657141B2Feb 2, 2010
Photonic bandgap fiber
FURUKAWA ELECTRIC CO LTD12 citations84
US7613374B2Nov 3, 2009
Optical fiber and optical-fiber transmission line
FURUKAWA ELECTRIC CO LTD13 citations84
US7609928B2Oct 27, 2009
Method of connecting optical fibers
FURUKAWA ELECTRIC CO LTD10 citations84
US7492999B2Feb 17, 2009
Optical fiber and optical-fiber transmission line
FURUKAWA ELECTRIC CO LTD8 citations84
US9891378B2Feb 13, 2018
Cascaded core multicore fiber and manufacturing method for same
FURUKAWA ELECTRIC CO LTD12 citations83
US9541707B2Jan 10, 2017
Method for connecting multi-core fiber, multi-core fiber, and method for manufacturing multi-core fiber
FURUKAWA ELECTRIC CO LTD10 citations83
US7742671B2Jun 22, 2010
Optical fiber
FURUKAWA ELECTRIC CO LTD8 citations83
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
US9121993B2Sep 1, 2015
Multi-core optical fiber and method of optical transmission
FURUKAWA ELECTRIC CO LTD2 citations63
US9088364B1Jul 21, 2015
Optical transmission system and multi-core optical fiber
FURUKAWA ELECTRIC CO LTD3 citations63
US9695079B2Jul 4, 2017
Production method of optical fiber preform, and production method of optical fiber
FURUKAWA ELECTRIC CO LTD0 citations40
IMAMURA KATSUNORI
6 patentsUS8094985B2Jan 10, 2012
Multi-core holey fiber and optical transmission system
IMAMURA KATSUNORI233 citations98
US8335421B2Dec 18, 2012
Optical transmission system and multi-core optical fiber
IMAMURA KATSUNORI15 citations92
US8457462B2Jun 4, 2013
Multi-core optical fiber
IMAMURA KATSUNORI9 citations83
US8532454B2Sep 10, 2013
Multi-core optical fiber
IMAMURA KATSUNORI6 citations72
US8425126B2Apr 23, 2013
Multi-core optical fiber, optical connector and method of manufacturing multi-core optical fiber
IMAMURA KATSUNORI5 citations72
US8326105B2Dec 4, 2012
Multi-core optical fiber
IMAMURA KATSUNORI4 citations62