Inventor
NASU HIDEYUKI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “NASU HIDEYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FURUKAWA ELECTRIC CO LTD
19 patentsUS6282340B1Aug 28, 2001
Light wavelength tuning device and light source optical demultiplexer and wavelength division multiplexed optical communication system using the tuning device
FURUKAWA ELECTRIC CO LTD71 citations94
US8632263B2Jan 21, 2014
Optical module mounting unit and optical module
FURUKAWA ELECTRIC CO LTD20 citations92
US8382384B2Feb 26, 2013
Optical module mounting unit and optical module
FURUKAWA ELECTRIC CO LTD23 citations92
US6650667B2Nov 18, 2003
Semiconductor laser apparatus, semiconductor laser module, optical transmitter and wavelength division multiplexing communication system
FURUKAWA ELECTRIC CO LTD40 citations89
US6856633B2Feb 15, 2005
Optical module, transmitter and WDM transmitting device
FURUKAWA ELECTRIC CO LTD13 citations84
US6667997B2Dec 23, 2003
Optical module and method of making the same
FURUKAWA ELECTRIC CO LTD18 citations84
US6856475B2Feb 15, 2005
Optical module having temperature adjustment features
FURUKAWA ELECTRIC CO LTD15 citations83
US9817192B2Nov 14, 2017
Optical module, optical module mounting method, optical module-mounted circuit substrate, optical module evaluation kit system, circuit substrate, and communication system
FURUKAWA ELECTRIC CO LTD6 citations82
US9632265B2Apr 25, 2017
Optical module, optical module mounting method, optical module-mounted circuit substrate, optical module evaluation kit system, circuit substrate, and communication system
FURUKAWA ELECTRIC CO LTD6 citations82
US9122025B2Sep 1, 2015
Optical module
FURUKAWA ELECTRIC CO LTD10 citations82
US6819703B1Nov 16, 2004
External cavity laser
FURUKAWA ELECTRIC CO LTD12 citations73
US6807208B2Oct 19, 2004
Laser module
FURUKAWA ELECTRIC CO LTD10 citations72
US7106978B2Sep 12, 2006
Optical module, optical transmission apparatus, WDM optical transmission device, and method for stabilizing laser wavelength
FURUKAWA ELECTRIC CO LTD7 citations71
US6914921B2Jul 5, 2005
Optical filter, laser module, and wavelength locker module
FURUKAWA ELECTRIC CO LTD2 citations62
US6765938B2Jul 20, 2004
System for controlling wavelength of laser beam
FURUKAWA ELECTRIC CO LTD4 citations62
US8366325B2Feb 5, 2013
Optical module and method of manufacturing thereof
FURUKAWA ELECTRIC CO LTD4 citations61
US6724800B2Apr 20, 2004
Wavelength monitor and laser module
FURUKAWA ELECTRIC CO LTD2 citations61
US12449613B2Oct 21, 2025
Optical part and semiconductor laser module
FURUKAWA ELECTRIC CO LTD0 citations51
US9033593B2May 19, 2015
Optical module
FURUKAWA ELECTRIC CO LTD1 citations49