Inventor
KUMANO NAOMI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KUMANO NAOMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FURUKAWA ELECTRIC CO LTD
15 patentsUS6856744B2Feb 15, 2005
Optical fiber and optical transmission line and optical communication system including such optical fiber
FURUKAWA ELECTRIC CO LTD31 citations92
US7164830B2Jan 16, 2007
Nonlinear optical fiber and optical signal processing apparatus using the optical fiber
FURUKAWA ELECTRIC CO LTD22 citations91
US7164832B2Jan 16, 2007
Optical fiber and optical communication system employing the optical fiber
FURUKAWA ELECTRIC CO LTD8 citations73
US6766087B2Jul 20, 2004
Nonlinear dispersion-shifted optical fiber, optical signal processing apparatus using said optical fiber and wavelength converter using said optical fiber
FURUKAWA ELECTRIC CO LTD10 citations73
US6640036B2Oct 28, 2003
Optical fiber and optical communication system using this optical fiber
FURUKAWA ELECTRIC CO LTD10 citations73
US7085463B2Aug 1, 2006
Optical fiber and optical transmission line
FURUKAWA ELECTRIC CO LTD9 citations71
US9075185B2Jul 7, 2015
Hole-assisted optical fiber
FURUKAWA ELECTRIC CO LTD2 citations62
US7702205B2Apr 20, 2010
Optical fiber
FURUKAWA ELECTRIC CO LTD4 citations62
US7519255B2Apr 14, 2009
Optical fiber
FURUKAWA ELECTRIC CO LTD4 citations62
US7321711B2Jan 22, 2008
Optical fiber and optical transmission line and optical communication system including such optical fiber
FURUKAWA ELECTRIC CO LTD2 citations62
US6768848B2Jul 27, 2004
Optical fiber and optical transmission line using the same, and optical transmission system
FURUKAWA ELECTRIC CO LTD2 citations62
US7505659B2Mar 17, 2009
Optical fiber and optical transmission line and optical communication system including such optical fiber
FURUKAWA ELECTRIC CO LTD0 citations52
US7123803B2Oct 17, 2006
Optical fiber and optical transmission line and optical communication system including such optical fiber
FURUKAWA ELECTRIC CO LTD0 citations51
US6795629B2Sep 21, 2004
Optical fiber and optical communication system using this optical fiber
FURUKAWA ELECTRIC CO LTD0 citations51
US9783450B2Oct 10, 2017
Method of producing glass preform and optical fiber
FURUKAWA ELECTRIC CO LTD0 citations40