Inventor · disambiguated record
Hiroaki Oi
Also filed as: OI HIROAKI
4 granted patents·4 pending applications·3 citations·filing 2009–2012
58Inventor score
Top patents by PatentIndex Score
8 records- 0176US9587618B2Spark ignition internal combustion engineIKEDA YUJI·Filed 2012·Granted Mar 7, 2017·3 cites·8 claims
- 0247US9523342B2Ignition device for spark-ignition internal combustion engineIKEDA YUJI·Filed 2012·Granted Dec 20, 2016·0 cites·2 claims
- 0345US9347420B2Barrier discharge deviceKIM YOONHO·Filed 2011·Granted May 24, 2016·0 cites·6 claims
- 0434US9989032B2Control device for spark ignition type internal combustion engineDAIHATSU MOTOR CO LTD·Filed 2012·Granted Jun 5, 2018·0 cites·2 claims
- 0534US2014352662A1Combustion state determination device for internal combustion engineDAIHATSU MOTOR CO LTD·Filed 2012·Application pending·0 cites
- 0633US2012097140A1Control method and spark plug for spark -ignited internal combustion engineKUSUNOKI RYOUHEI·Filed 2009·Application pending·0 cites
- 0731US2012173117A1Combustion state determination method for spark-ignited internal combustion engineSERIZAWA TAKESHI·Filed 2010·Application pending·0 cites
- 0830US2013298886A1Method for control of spark ignition in spark-ignited internal combustion engineSERIZAWA TAKESHI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →