Inventor
TAKAHASHI KENICHIRO
JP36 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI KENICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
11 patentsUS6998792B2Feb 14, 2006
Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US6977472B2Dec 20, 2005
Electrodeless self-ballasted fluorescent lamp and discharge lamp operating device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US6828740B2Dec 7, 2004
Electrodeless discharge lamp operating apparatus, electrodeless compact self-ballasted fluorescent lamp and discharge lamp operating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations92
US6597127B2Jul 22, 2003
Discharge lamp operating apparatus, self-ballasted discharge lamp, dimmer and illumination kit for dimming
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92
US6727661B2Apr 27, 2004
Self-ballasted fluorescent lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations84
US6504322B2Jan 7, 2003
Discharge lamp operating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations84
US6492773B2Dec 10, 2002
Self-ballasted fluorescent lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US6768254B2Jul 27, 2004
Self-ballasted electrodeless discharge lamp and electrodeless discharge lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations83
US6661185B2Dec 9, 2003
Dimmable self-ballasted fluorescent lamp and discharge lamp operating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations83
US6509698B1Jan 21, 2003
Operating apparatus of discharge lamp
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
US6429602B1Aug 6, 2002
Fluorescent lamp operating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
SUMITOMO ELECTRIC INDUSTRIES
9 patentsUS7110636B2Sep 19, 2006
Optical device control apparatus and optical device control method
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US6898002B2May 24, 2005
Optical device, optical module, optical amplifier, and optical transmission system
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US7212717B2May 1, 2007
Optical fiber
SUMITOMO ELECTRIC INDUSTRIES3 citations59
US7457497B2Nov 25, 2008
Optical multiplexer/demultiplexer and optical communication system
SUMITOMO ELECTRIC INDUSTRIES1 citations52
US9885837B2Feb 6, 2018
Optical device
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US9372311B2Jun 21, 2016
Wavelength selective switch
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US9596526B2Mar 14, 2017
Wavelength selective switch
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US9467757B2Oct 11, 2016
Wavelength selective switch
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US9116414B2Aug 25, 2015
Wavelength selective switch
SUMITOMO ELECTRIC INDUSTRIES0 citations41
NEC CORP
6 patentsUS5723895AMar 3, 1998
Field effect transistor formed in semiconductor region surrounded by insulating film
NEC CORP23 citations92
US6404012B1Jun 11, 2002
Semiconductor device having a reverse conductive type diffusion layer in an extended drain diffusion layer
NEC CORP12 citations74
US6046614AApr 4, 2000
Drive circuit having a power recovery system
NEC CORP9 citations74
US6094332AJul 25, 2000
Protection circuit for discharging large amount of static charge current through field effect transistors different in break-down voltage
NEC CORP4 citations63
US5929485AJul 27, 1999
High voltage insulated gate type bipolar transistor for self-isolated smart power IC
NEC CORP4 citations63
US5744836AApr 28, 1998
Insulating gate type field effect transistor
NEC CORP5 citations63
HGST Netherlands BV
2 patentsUS8885274B1Nov 11, 2014
Implementing surface analysis test (SAT) function for microwave-assisted magnetic recording (MAMR) HDD with embedded contact sensor (ECS) and spin torque oscillator (STO) signals
HGST Netherlands BV8 citations84
US9311945B2Apr 12, 2016
Magnetic head for microwave assisted magnetic recording
HGST Netherlands BV3 citations73