Inventor
AKAI AKIHITO
JP41 patents
⚠️ This page may combine multiple inventors who share the name “AKAI AKIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 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
US6762565B2Jul 13, 2004
Display apparatus and power supply device for displaying
HITACHI LTD35 citations92
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
US7898555B2Mar 1, 2011
Display apparatus and driving device for displaying
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
US10896241B2Jan 19, 2021
Information processing device and control method therefor
HITACHI LTD1 citations61
US7750882B2Jul 6, 2010
Display apparatus and driving device for displaying
HITACHI LTD1 citations52
US11340273B2May 24, 2022
Presence-in-house determination system and presence-in-house determination method
HITACHI LTD0 citations47
US11994404B2May 28, 2024
Computational system and computational method
HITACHI LTD0 citations45
RENESAS TECH CORP
7 patentsUS7760178B2Jul 20, 2010
Display driver
RENESAS TECH CORP23 citations92
US7511693B2Mar 31, 2009
Display apparatus and driving device for displaying
RENESAS TECH CORP14 citations92
US7038702B2May 2, 2006
Display device and driving circuit for displaying
RENESAS TECH CORP9 citations73
US7692641B2Apr 6, 2010
Display driver and display driving method
RENESAS TECH CORP4 citations63
US7643042B2Jan 5, 2010
Display device and driving circuit for displaying
RENESAS TECH CORP4 citations62
US7616221B2Nov 10, 2009
Driving circuits for display device
RENESAS TECH CORP2 citations62
US7486303B2Feb 3, 2009
Circuit for adjusting gray-scale voltages of a self-emitting display device
RENESAS TECH CORP4 citations62
SYNAPTICS JAPAN GK
4 patentsUS9557853B2Jan 31, 2017
Touch detecting circuit and semiconductor integrated circuit using the same
SYNAPTICS JAPAN GK2 citations73
US10209835B2Feb 19, 2019
Touch detecting device and semiconductor device
SYNAPTICS JAPAN GK1 citations62
US9568976B2Feb 14, 2017
Semiconductor device and electronic device
SYNAPTICS JAPAN GK1 citations51
US9760222B2Sep 12, 2017
Semiconductor device and error canceling method
SYNAPTICS JAPAN GK0 citations41
SYNAPTICS DISPLAY DEVICES GK
4 patentsUS9250740B2Feb 2, 2016
Capacitive touch panel device with differing drive pulse widths
SYNAPTICS DISPLAY DEVICES GK4 citations73
US9354741B2May 31, 2016
Touch panel controller and semiconductor device
SYNAPTICS DISPLAY DEVICES GK1 citations51
US9437169B2Sep 6, 2016
Touch panel control circuit and semiconductor integrated circuit using the same
SYNAPTICS DISPLAY DEVICES GK0 citations41
US9519385B2Dec 13, 2016
Semiconductor device and electronic device
SYNAPTICS DISPLAY DEVICES GK0 citations39