Inventor
NAKAO TOMOAKI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “NAKAO TOMOAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
13 patentsUS6437716B2Aug 20, 2002
Gray scale display reference voltage generating circuit capable of changing gamma correction characteristic and LCD drive unit employing the same
SHARP KK54 citations96
US6373419B1Apr 16, 2002
DA converter and liquid crystal driving device incorporating the same
SHARP KK67 citations96
US6331846B1Dec 18, 2001
Differential amplifier, operational amplifier employing the same, and liquid crystal driving circuit incorporating the operational amplifier
SHARP KK57 citations96
US6160533ADec 12, 2000
Method and apparatus for driving display panel
SHARP KK73 citations95
US6441763B1Aug 27, 2002
DA converter and liquid crystal driving device incorporating the same
SHARP KK48 citations92
US6310593B1Oct 30, 2001
Liquid crystal driving circuit
SHARP KK27 citations92
US5751186AMay 12, 1998
Operational amplifier circuit with an extended input voltage range
SHARP KK47 citations92
US5289518AFeb 22, 1994
Low power shift register circuit
SHARP KK54 citations92
US7459966B2Dec 2, 2008
Offset adjusting circuit and operational amplifier circuit
SHARP KK14 citations84
US7397278B2Jul 8, 2008
Level shifting circuit and display element driving circuit using same
SHARP KK8 citations73
US5332936AJul 26, 1994
Composite logic circuit
SHARP KK15 citations73
US7659777B2Feb 9, 2010
Offset adjustment device, semiconductor device, display device, offset adjustment method, noise detection device, and noise detection method
SHARP KK4 citations60
US7289092B2Oct 30, 2007
Liquid-crystal driver and liquid-crystal display
SHARP KK1 citations50
NEC CORP
5 patentsUS11062545B2Jul 13, 2021
Information processing apparatus, control program of communication terminal, and entrance and exit management method
NEC CORP3 citations71
US12333883B2Jun 17, 2025
Information processing apparatus, control program of communication terminal, and entrance and exit management method
NEC CORP0 citations60
US11928907B2Mar 12, 2024
Information processing apparatus, control program of communication terminal, and entrance and exit management method
NEC CORP0 citations60
US11605257B2Mar 14, 2023
Information processing apparatus, control program of communication terminal, and entrance and exit management method
NEC CORP0 citations60
US12230033B2Feb 18, 2025
Monitoring device, monitoring method, and program recording medium
NEC CORP0 citations45