Inventor
AIKAWA KAZUHIKO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “AIKAWA KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIKURA LTD
24 patentsUS7418178B2Aug 26, 2008
Multi-core fiber
FUJIKURA LTD221 citations97
US5689578ANov 18, 1997
Polarized wave holding optical fiber, production method therefor, connection method therefor, optical amplifier, laser oscillator and polarized wave holding optical fiber coupler
FUJIKURA LTD71 citations96
US7292762B2Nov 6, 2007
Hole-assisted holey fiber and low bending loss multimode holey fiber
FUJIKURA LTD36 citations92
US7076139B1Jul 11, 2006
Optical fiber and optical transmission system
FUJIKURA LTD43 citations92
US5995695ANov 30, 1999
Dispersion compensating optical fiber
FUJIKURA LTD42 citations92
US6519402B2Feb 11, 2003
Dispersion compensating optical fiber, and dispersion compensating optical fiber module
FUJIKURA LTD18 citations84
US7181115B2Feb 20, 2007
Dispersion compensating fiber module, and optical fiber transmission line
FUJIKURA LTD8 citations74
US6813430B2Nov 2, 2004
Dispersion-compensating optical fiber and hybrid transmission line
FUJIKURA LTD8 citations74
US7233728B2Jun 19, 2007
Dispersion compensating optical fiber
FUJIKURA LTD7 citations73
US6937805B2Aug 30, 2005
Dispersion compensating fiber and dispersion compensating fiber module
FUJIKURA LTD11 citations73
US6876803B2Apr 5, 2005
Optical transmission system
FUJIKURA LTD10 citations73
US9897751B2Feb 20, 2018
Multicore polarization-maintaining fiber
FUJIKURA LTD6 citations72
US7412128B2Aug 12, 2008
Higher order mode dispersion compensating fiber and mode converter for higher order fiber
FUJIKURA LTD2 citations63
US7267495B2Sep 11, 2007
Connection method and connecting structure for photonic crystal fiber
FUJIKURA LTD2 citations63
US7263267B2Aug 28, 2007
Higher order mode dispersion compensating fiber and mode converter for higher order fiber
FUJIKURA LTD4 citations63
US7036995B2May 2, 2006
Joint loss minimizing connection structure for dispersion compensating optical fiber
FUJIKURA LTD2 citations63
US7496261B2Feb 24, 2009
Dispersion compensating optical fiber and dispersion compensating optical fiber module
FUJIKURA LTD4 citations62
US6965719B2Nov 15, 2005
Dispersion compensating optical fiber and dispersion compensating optical fiber module
FUJIKURA LTD5 citations62
US7430353B2Sep 30, 2008
Polarization-maintaining optical fiber and optical fiber gyro
FUJIKURA LTD3 citations61
US8873915B2Oct 28, 2014
Low-loss optical fiber over wide wavelength range and method of manufacturing the same
FUJIKURA LTD3 citations60
US7031581B2Apr 18, 2006
Wavelength division multiplexed transmission path and dispersion-compensating fiber used therein
FUJIKURA LTD2 citations52
US6980723B2Dec 27, 2005
Dispersion-compensating optical fiber and hybrid transmission line
FUJIKURA LTD1 citations52
US7440673B2Oct 21, 2008
Radiation resistant single-mode optical fiber and method of manufacturing thereof
FUJIKURA LTD1 citations50
US8958677B2Feb 17, 2015
Polarization-maintaining optical fiber
FUJIKURA LTD0 citations48