Inventor
OKUNO TOSHIAKI
JP63 patents
⚠️ This page may combine multiple inventors who share the name “OKUNO TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
41 patentsUS6347174B1Feb 12, 2002
Non-linear optical fiber, optical fiber coil, and wavelength converter
SUMITOMO ELECTRIC INDUSTRIES55 citations96
US6181858B1Jan 30, 2001
Dispersion-shifted fiber
SUMITOMO ELECTRIC INDUSTRIES64 citations96
US6661958B2Dec 9, 2003
Optical fiber and nonlinear optical fiber, optical amplifier and wavelength converter using the same, and method of making optical fiber
SUMITOMO ELECTRIC INDUSTRIES37 citations93
US6603913B1Aug 5, 2003
Single-mode optical fiber having multiple cladding regions for dispersion compensation
SUMITOMO ELECTRIC INDUSTRIES27 citations93
US6483633B2Nov 19, 2002
Raman amplifier
SUMITOMO ELECTRIC INDUSTRIES23 citations93
US6480312B1Nov 12, 2002
Dispersion compensating system used for bi-directional optical communication
SUMITOMO ELECTRIC INDUSTRIES24 citations93
US6501892B1Dec 31, 2002
Dispersion-compensating fiber
SUMITOMO ELECTRIC INDUSTRIES30 citations92
US5960146ASep 28, 1999
Optical fiber and light source apparatus
SUMITOMO ELECTRIC INDUSTRIES50 citations92
US7982943B2Jul 19, 2011
Light source apparatus
SUMITOMO ELECTRIC INDUSTRIES13 citations84
US7746545B2Jun 29, 2010
Broadband light source device
SUMITOMO ELECTRIC INDUSTRIES11 citations84
US7233727B2Jun 19, 2007
Optical fiber and optical device using the same
SUMITOMO ELECTRIC INDUSTRIES12 citations84
US7103285B1Sep 5, 2006
Optical transmission system for reducing nonlinear optical phenomena using modulation depth control system
SUMITOMO ELECTRIC INDUSTRIES19 citations84
US6404950B1Jun 11, 2002
Dispersion-compensating module
SUMITOMO ELECTRIC INDUSTRIES16 citations84
US7340135B2Mar 4, 2008
Light source apparatus
SUMITOMO ELECTRIC INDUSTRIES8 citations74
US7202994B2Apr 10, 2007
Wavelength converter
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6892003B2May 10, 2005
Variable dispersion compensator and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES11 citations74
US6795235B1Sep 21, 2004
Optical transmission line, method of making optical transmission line, and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US6611637B1Aug 26, 2003
Dispersion-compensating module
SUMITOMO ELECTRIC INDUSTRIES11 citations74
US6496615B2Dec 17, 2002
WDM transmission system
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US7292748B2Nov 6, 2007
Dispersion-compensating system
SUMITOMO ELECTRIC INDUSTRIES6 citations73
US8054537B2Nov 8, 2011
Light source apparatus
SUMITOMO ELECTRIC INDUSTRIES5 citations63
US8054525B2Nov 8, 2011
Wavelength converter
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US7580183B2Aug 25, 2009
Light generator, optical amplifier, and optical communication system
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US7539417B2May 26, 2009
Optical transmission system
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US7483614B2Jan 27, 2009
Optical fiber and optical device using the same
SUMITOMO ELECTRIC INDUSTRIES5 citations63
US7379677B2May 27, 2008
Method of wavelength conversion and wavelength converter
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US7280759B2Oct 9, 2007
Optical transmission system, optical multiplexer, and optical demultiplexer
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7085040B2Aug 1, 2006
Optical transmission line, method of making optical transmission line, and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US7085041B2Aug 1, 2006
Raman amplifier and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US6982823B2Jan 3, 2006
Wavelength converter
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US6907200B2Jun 14, 2005
Dispersion compensating module, line switching apparatus and optical communication system
SUMITOMO ELECTRIC INDUSTRIES6 citations63
US6907172B2Jun 14, 2005
Optical transmission line and optical communication system
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US6853766B2Feb 8, 2005
Dispersion-compensating module
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US6687433B2Feb 3, 2004
WDM optical communication system
SUMITOMO ELECTRIC INDUSTRIES6 citations63
US6542677B2Apr 1, 2003
Amplification optical fiber and fiber optic amplifier including the same
SUMITOMO ELECTRIC INDUSTRIES5 citations63
US6453103B1Sep 17, 2002
Optical communication system
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7079769B1Jul 18, 2006
Dispersion-compensating system
SUMITOMO ELECTRIC INDUSTRIES5 citations57
US7787730B2Aug 31, 2010
Optical fiber and broadband light source
SUMITOMO ELECTRIC INDUSTRIES1 citations52
US7522798B2Apr 21, 2009
Nonlinear optical signal-treating apparatus
SUMITOMO ELECTRIC INDUSTRIES1 citations52
US6963695B2Nov 8, 2005
Optical communication system and method of assigning signal channels
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US6888669B2May 3, 2005
Raman amplifier
SUMITOMO ELECTRIC INDUSTRIES1 citations52
NITTO DENKO CORP
4 patentsUS9991034B2Jun 5, 2018
Rare-earth permanent magnet and method for manufacturing rare-earth permanent magnet
NITTO DENKO CORP4 citations72
US9991033B2Jun 5, 2018
Rare-earth permanent magnet and method for manufacturing rare-earth permanent magnet
NITTO DENKO CORP4 citations72
US10269475B2Apr 23, 2019
Rare earth permanent magnet and method for producing rare earth permanent magnet
NITTO DENKO CORP0 citations52
US10014107B2Jul 3, 2018
Rare-earth permanent magnet, method for manufacturing rare-earth permanent magnet and system for manufacturing rare-earth permanent magnet
NITTO DENKO CORP0 citations52
OMRON TATEISI ELECTRONICS CO
3 patentsUS7907802B2Mar 15, 2011
Optical transmission module
OMRON TATEISI ELECTRONICS CO9 citations84
US7865046B2Jan 4, 2011
Optical transmission module, connecting part, and electronic device having optical transmission module
OMRON TATEISI ELECTRONICS CO2 citations62
US7657140B2Feb 2, 2010
Optical cable module
OMRON TATEISI ELECTRONICS CO4 citations61
TAIHAKU KEISUKE
1 patentOKUNO TOSHIAKI
1 patentShowing the top 50 of 63 patents by PatentIndex Score.