Inventor · disambiguated record
Daisuke Akihisa
Also filed as: AKIHISA DAISUKE
36 granted patents·4 pending applications·171 citations·filing 2004–2024
96Inventor score
Top patents by PatentIndex Score
40 records- 0194US7278383B2Internal combustion engine with variable compression ratio and valve characteristicsTOYOTA MOTOR CO LTD·Filed 2006·Granted Oct 9, 2007·30 cites·19 claims
- 0288US7997241B2Spark ignition type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2007·Granted Aug 16, 2011·11 cites·19 claims
- 0386US7917279B2Method of controlling a mechanical compression ratio, a closing timing of an intake valve and air streamTOYOTA MOTOR CO LTD·Filed 2007·Granted Mar 29, 2011·16 cites·15 claims
- 0486US7840335B2Internal combustion engine with variable compression ratioTOYOTA MOTOR CO LTD·Filed 2008·Granted Nov 23, 2010·13 cites·7 claims
- 0579US7802543B2Spark ignition type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2007·Granted Sep 28, 2010·13 cites·30 claims
- 0678US7882821B2Spark ignition type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2007·Granted Feb 8, 2011·9 cites·19 claims
- 0768US7422004B2Internal combustion engine with variable compression ratioTOYOTA MOTOR CO LTD·Filed 2005·Granted Sep 9, 2008·5 cites·14 claims
- 0867US7627417B2Variable compression ratio internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Dec 1, 2009·6 cites·9 claims
- 0966US8234054B2Method of operating a spark ignition type internal combustion engineNAKASAKA YUKIHIRO·Filed 2007·Granted Jul 31, 2012·5 cites·7 claims
- 1066US7047917B2Variable compression ratio mechanismTOYOTA MOTOR CO LTD·Filed 2004·Granted May 23, 2006·13 cites·25 claims
- 1164US8229649B2Spark ignition type internal combustion engineAKIHISA DAISUKE·Filed 2009·Granted Jul 24, 2012·6 cites·4 claims
- 1262US8413618B2Spark ignition type internal combustion engineKAMIYAMA EIICHI·Filed 2008·Granted Apr 9, 2013·5 cites·4 claims
- 1362US8347834B2Spark-ignited internal combustion engine and method of controlling the sameTOYOTA MOTOR CO LTD·Filed 2008·Granted Jan 8, 2013·4 cites·18 claims
- 1462US2024412518A1Information processing apparatus, information processing method, and storage mediumTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1561US8109243B2Spark ignition type internal combustion engineAKIHISA DAISUKE·Filed 2007·Granted Feb 7, 2012·4 cites·20 claims
- 1660US7487747B2Mount apparatus for variable compression ratio internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Feb 10, 2009·5 cites·6 claims
- 1759US8136489B2Variable compression ratio internal combustion engineKAMIYAMA EIICHI·Filed 2007·Granted Mar 20, 2012·3 cites·35 claims
- 1858US8646419B2Control apparatus for internal combustion engineKAMIYAMA EIICHI·Filed 2008·Granted Feb 11, 2014·3 cites·32 claims
- 1958US8322315B2Spark ignition type internal combustion engineAKIHISA DAISUKE·Filed 2008·Granted Dec 4, 2012·3 cites·12 claims
- 2057US12315169B2Information processing device, analysis method, and non-transitory computer-readable recording mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted May 27, 2025·0 cites·9 claims
- 2157US8352157B2Spark ignition type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2008·Granted Jan 8, 2013·3 cites·5 claims
- 2257US8342143B2Spark ignition type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2009·Granted Jan 1, 2013·3 cites·13 claims
- 2355US12469306B2Management system, map generation system, and non-transitory computer-readable recording mediumTOYOTA MOTOR CO LTD·Filed 2023·Granted Nov 11, 2025·0 cites·12 claims
- 2455US8695544B2High expansion ratio internal combustion engineSAWADA DAISAKU·Filed 2009·Granted Apr 15, 2014·3 cites·10 claims
- 2554US8011332B2Spark ignition type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2008·Granted Sep 6, 2011·2 cites·9 claims
- 2652US8656701B2Control deviceAKIHISA DAISUKE·Filed 2008·Granted Feb 25, 2014·2 cites·12 claims
- 2751US8555832B2Spark-ignited internal combustion engine and method of controlling the sameAKIHISA DAISUKE·Filed 2008·Granted Oct 15, 2013·2 cites·28 claims
- 2849US9151231B2Variable compression ratio type engine with fuel containing alcoholAKIHISA DAISUKE·Filed 2009·Granted Oct 6, 2015·0 cites·10 claims
- 2948US8511279B2Spark ignition type internal combustion engineAKIHISA DAISUKE·Filed 2009·Granted Aug 20, 2013·1 cites·18 claims
- 3047US11024895B2Charging apparatus for lithium-ion secondary battery and method for charging and discharging lithium-ion secondary batteryTOYOTA MOTOR CO LTD·Filed 2018·Granted Jun 1, 2021·0 cites·8 claims
- 3147US8276554B2Spark ignition type internal combustion engineAKIHISA DAISUKE·Filed 2008·Granted Oct 2, 2012·1 cites·5 claims
- 3245US8938959B2Spark ignition-type internal combustion engineAKIHISA DAISUKE·Filed 2011·Granted Jan 27, 2015·0 cites·3 claims
- 3345US8356582B2Spark ignition type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2008·Granted Jan 22, 2013·0 cites·6 claims
- 3440US8161940B2Spark ignition type internal combustion engineHISAMINATO NAOTO·Filed 2008·Granted Apr 24, 2012·0 cites·10 claims
- 3540US2012059543A1Engine control systemNAKAZONO HIDEKI·Filed 2009·Application pending·0 cites
- 3638US8596233B2Spark ignition type internal combustion engineAKIHISA DAISUKE·Filed 2008·Granted Dec 3, 2013·0 cites·2 claims
- 3738US8302569B2Spark-ignited internal combustion engine and method of controlling the sameAKIHISA DAISUKE·Filed 2008·Granted Nov 6, 2012·0 cites·12 claims
- 3837US2009187329A1Method of Controlling a Mechanical Compression Ratio and a Start Timing of an Actual Compression ActionTOYOTA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 3937US2009178632A1Spark Ignition Type Internal Combustion EngineTOYOTA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 4036US8826887B2Spark ignition type internal combustion engineKODAMA KOHEI·Filed 2009·Granted Sep 9, 2014·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →