Inventor · disambiguated record
Akihito Akai
Also filed as: AKAI AKIHITO
41 granted patents·19 pending applications·311 citations·filing 2002–2022
97Inventor score
Files withHITACHI LTD13RENESAS TECH CORP13KUDO YASUYUKI5HITACHI ASTEMO LTD4RENESAS ELECTRONICS CORP4
Top patents by PatentIndex Score
60 records- 0197US7193637B2Display apparatus and driving device for displayingHITACHI LTD·Filed 2005·Granted Mar 20, 2007·33 cites·22 claims
- 0295US7760178B2Display driverRENESAS TECH CORP·Filed 2005·Granted Jul 20, 2010·23 cites·25 claims
- 0395US7023458B2Display apparatus and driving device for displayingHITACHI LTD·Filed 2002·Granted Apr 4, 2006·63 cites·10 claims
- 0494US7511693B2Display apparatus and driving device for displayingRENESAS TECH CORP·Filed 2005·Granted Mar 31, 2009·14 cites·14 claims
- 0593US6781605B2Display apparatus and driving device for displayingHITACHI LTD·Filed 2002·Granted Aug 24, 2004·40 cites·24 claims
- 0691US8120561B2Display apparatus and driving device for displayingKUDO YASUYUKI·Filed 2009·Granted Feb 21, 2012·8 cites·17 claims
- 0791US7227560B2Display apparatus and driving device for displayingHITACHI LTD·Filed 2005·Granted Jun 5, 2007·8 cites·32 claims
- 0888US6762565B2Display apparatus and power supply device for displayingHITACHI LTD·Filed 2002·Granted Jul 13, 2004·35 cites·20 claims
- 0987US8633881B2Display apparatus and driving device for displayingKUDO YASUYUKI·Filed 2012·Granted Jan 21, 2014·4 cites·6 claims
- 1086US9336733B2Display apparatus and driving device for displayingRENESAS ELECTRONICS CORP·Filed 2014·Granted May 10, 2016·3 cites·5 claims
- 1182US8699803B2Display driving circuitKATAYAMA YUKARI·Filed 2011·Granted Apr 15, 2014·6 cites·10 claims
- 1282US7692641B2Display driver and display driving methodRENESAS TECH CORP·Filed 2005·Granted Apr 6, 2010·4 cites·4 claims
- 1381US7643042B2Display device and driving circuit for displayingRENESAS TECH CORP·Filed 2005·Granted Jan 5, 2010·4 cites·19 claims
- 1479US9557853B2Touch detecting circuit and semiconductor integrated circuit using the sameSYNAPTICS JAPAN GK·Filed 2015·Granted Jan 31, 2017·2 cites·20 claims
- 1579US9195352B2Touch sensor panel controller and semiconductor deviceAKAI AKIHITO·Filed 2012·Granted Nov 24, 2015·9 cites·12 claims
- 1679US8552946B2Display device, display driver and image display methodKUROKAWA YOSHIKI·Filed 2008·Granted Oct 8, 2013·4 cites·28 claims
- 1778US8325128B2Display device and driving circuit thereofKATAYAMA YUKARI·Filed 2008·Granted Dec 4, 2012·4 cites·10 claims
- 1878US7898555B2Display apparatus and driving device for displayingHITACHI LTD·Filed 2007·Granted Mar 1, 2011·2 cites·26 claims
- 1976US9250740B2Capacitive touch panel device with differing drive pulse widthsSYNAPTICS DISPLAY DEVICES GK·Filed 2013·Granted Feb 2, 2016·4 cites·13 claims
- 2072US7078864B2Display apparatus and power supply device for displayingHITACHI LTD·Filed 2004·Granted Jul 18, 2006·10 cites·22 claims
- 2169US7038702B2Display device and driving circuit for displayingRENESAS TECH CORP·Filed 2003·Granted May 2, 2006·9 cites·9 claims
- 2268US8059141B2Display brightness control circuitAWAKURA HIROKI·Filed 2007·Granted Nov 15, 2011·2 cites·8 claims
- 2368US7750882B2Display apparatus and driving device for displayingHITACHI LTD·Filed 2006·Granted Jul 6, 2010·1 cites·21 claims
- 2465US7924252B2Display driverRENESAS ELECTRONICS CORP·Filed 2006·Granted Apr 12, 2011·1 cites·11 claims
- 2564US10209835B2Touch detecting device and semiconductor deviceSYNAPTICS JAPAN GK·Filed 2014·Granted Feb 19, 2019·1 cites·20 claims
- 2662US9354741B2Touch panel controller and semiconductor deviceSYNAPTICS DISPLAY DEVICES GK·Filed 2014·Granted May 31, 2016·1 cites·22 claims
- 2761US9568976B2Semiconductor device and electronic deviceSYNAPTICS JAPAN GK·Filed 2013·Granted Feb 14, 2017·1 cites·21 claims
- 2861US7006082B2Display apparatus and driving device for displayingHITACHI LTD·Filed 2002·Granted Feb 28, 2006·5 cites·23 claims
- 2959US11994404B2Computational system and computational methodHITACHI LTD·Filed 2022·Granted May 28, 2024·0 cites·8 claims
- 3059US7450099B2Display apparatus and driving device for displayingHITACHI LTD·Filed 2004·Granted Nov 11, 2008·3 cites·30 claims
- 3157US10896241B2Information processing device and control method thereforHITACHI LTD·Filed 2015·Granted Jan 19, 2021·1 cites·8 claims
- 3257US2024253412A1Suspension control device, suspension control method, and suspension control systemHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 3356US12240285B2Sensory evaluation system, suspension device, and suspension control systemHITACHI ASTEMO LTD·Filed 2020·Granted Mar 4, 2025·0 cites·8 claims
- 3455US12138980B2Sensory evaluation prediction system, suspension device, and suspension control systemHITACHI ASTEMO LTD·Filed 2020·Granted Nov 12, 2024·0 cites·12 claims
- 3555US9437169B2Touch panel control circuit and semiconductor integrated circuit using the sameSYNAPTICS DISPLAY DEVICES GK·Filed 2014·Granted Sep 6, 2016·0 cites·19 claims
- 3655US7486303B2Circuit for adjusting gray-scale voltages of a self-emitting display deviceRENESAS TECH CORP·Filed 2004·Granted Feb 3, 2009·4 cites·4 claims
- 3755US2011148953A1Display apparatus and driving device for displayingKUDO YASUYUKI·Filed 2011·Application pending·0 cites
- 3855US2010013818A1Electronic paper display, semiconductor integrated circuit and operating method for semiconductor integrated circuitRENESAS TECH CORP·Filed 2009·Application pending·0 cites
- 3954US2009289965A1Liquid crystal driving deviceRENESAS TECH CORP·Filed 2009·Application pending·0 cites
- 4054US2013044146A1Display device, display driver and image display methodKUROKAWA YOSHIKI·Filed 2012·Application pending·0 cites
- 4153US11340273B2Presence-in-house determination system and presence-in-house determination methodHITACHI LTD·Filed 2018·Granted May 24, 2022·0 cites·14 claims
- 4253US2009303264A1Liquid crystal driving deviceRENESAS TECH CORP·Filed 2009·Application pending·0 cites
- 4352US8477126B2Display driver and display driving methodKUDO YASUYUKI·Filed 2010·Granted Jul 2, 2013·0 cites·3 claims
- 4451US9760222B2Semiconductor device and error canceling methodSYNAPTICS JAPAN GK·Filed 2014·Granted Sep 12, 2017·0 cites·18 claims
- 4551US2008316167A1Display driverKUROKAWA YOSHIKI·Filed 2008·Application pending·0 cites
- 4649US12179537B2Information processing device, vehicle control method, and information processing systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Dec 31, 2024·0 cites·17 claims
- 4748US7616221B2Driving circuits for display deviceRENESAS TECH CORP·Filed 2004·Granted Nov 10, 2009·2 cites·21 claims
- 4847US2006007095A1Display apparatus and power supply device for displayingKUDO YASUYUKI·Filed 2005·Application pending·0 cites
- 4947US2008218500A1Display driverAKAI AKIHITO·Filed 2008·Application pending·0 cites
- 5046US9519385B2Semiconductor device and electronic deviceSYNAPTICS DISPLAY DEVICES GK·Filed 2013·Granted Dec 13, 2016·0 cites·26 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →