Inventor
KUROKAWA KAZUNARI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “KUROKAWA KAZUNARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
22 patentsUS7023458B2Apr 4, 2006
Display apparatus and driving device for displaying
HITACHI LTD63 citations98
US7193637B2Mar 20, 2007
Display apparatus and driving device for displaying
HITACHI LTD33 citations96
US6781605B2Aug 24, 2004
Display apparatus and driving device for displaying
HITACHI LTD40 citations96
US6232941B1May 15, 2001
Liquid crystal display device
HITACHI LTD55 citations96
US6118425ASep 12, 2000
Liquid crystal display and driving method therefor
HITACHI LTD55 citations96
US6054975AApr 25, 2000
Liquid crystal display device having tape carrier packages
HITACHI LTD82 citations96
US7151549B2Dec 19, 2006
Display device and display driving device for displaying display data
HITACHI LTD14 citations93
US6753880B2Jun 22, 2004
Display device and display driving device for displaying display data
HITACHI LTD37 citations93
US6762565B2Jul 13, 2004
Display apparatus and power supply device for displaying
HITACHI LTD35 citations92
US6518946B2Feb 11, 2003
Liquid crystal display device
HITACHI LTD41 citations92
US6130657AOct 10, 2000
Liquid crystal display device
HITACHI LTD42 citations92
US5448387ASep 5, 1995
Liquid crystal display device having tape carrier with semiconductor device on flap portion
HITACHI LTD20 citations90
US6795047B2Sep 21, 2004
Liquid crystal driver circuit and liquid crystal display device
HITACHI LTD13 citations84
US7227560B2Jun 5, 2007
Display apparatus and driving device for displaying
HITACHI LTD8 citations74
US7078864B2Jul 18, 2006
Display apparatus and power supply device for displaying
HITACHI LTD10 citations74
US6369791B1Apr 9, 2002
Liquid crystal display and driving method therefor
HITACHI LTD11 citations74
US7898555B2Mar 1, 2011
Display apparatus and driving device for displaying
HITACHI LTD2 citations63
US7852358B2Dec 14, 2010
Display device with control of steady-state current of a generation circuit
HITACHI LTD2 citations63
US7450099B2Nov 11, 2008
Display apparatus and driving device for displaying
HITACHI LTD3 citations63
US7006082B2Feb 28, 2006
Display apparatus and driving device for displaying
HITACHI LTD5 citations63
US7355596B2Apr 8, 2008
Liquid crystal drive circuit and liquid crystal display device
HITACHI LTD2 citations58
US7750882B2Jul 6, 2010
Display apparatus and driving device for displaying
HITACHI LTD1 citations52
HITACHI ASTEMO LTD
5 patentsUS11901837B2Feb 13, 2024
Power control unit
HITACHI ASTEMO LTD2 citations72
US12456925B2Oct 28, 2025
Voltage transformer
HITACHI ASTEMO LTD0 citations62
US12199497B2Jan 14, 2025
Gate driving power source for bidirectional step-up/down converter
HITACHI ASTEMO LTD0 citations45
US12249943B2Mar 11, 2025
Control device
HITACHI ASTEMO LTD0 citations44
US11936283B2Mar 19, 2024
Gate driving power source device including shared power source unit
HITACHI ASTEMO LTD0 citations44
KEIHIN CORP
5 patentsUS11187597B2Nov 30, 2021
Temperature detection device, abnormality detection device, and electric power conversion apparatus
KEIHIN CORP2 citations60
US11735995B2Aug 22, 2023
Multi-phase power converter with drift current
KEIHIN CORP0 citations51
US11456685B2Sep 27, 2022
Motor control device
KEIHIN CORP0 citations50
US11336197B2May 17, 2022
Power conversion device
KEIHIN CORP0 citations50
US10425010B2Sep 24, 2019
Power conversion device
KEIHIN CORP0 citations48