Inventor · disambiguated record
Masaki Onkawa
Also filed as: ONKAWA MASAKI
9 granted patents·19 citations·filing 2012–2015
80Inventor score
Technology areasG01N
Top patents by PatentIndex Score
9 records- 0188US9476863B2Gas sensor with porous protection layersNGK SPARK PLUG CO·Filed 2014·Granted Oct 25, 2016·10 cites·8 claims
- 0283US9080964B2Gas sensor element and gas sensorNGK SPARK PLUG CO·Filed 2012·Granted Jul 14, 2015·6 cites·10 claims
- 0372US9694387B2Gas sensor element, gas sensor, and method of manufacturing gas sensor elementNGK SPARK PLUG CO·Filed 2014·Granted Jul 4, 2017·2 cites·9 claims
- 0461US8992752B2Gas sensor element and gas sensorONKAWA MASAKI·Filed 2012·Granted Mar 31, 2015·1 cites·7 claims
- 0550US9753020B2Gas sensor element, gas sensor, and method of manufacturing gas sensor elementNGK SPARK PLUG CO·Filed 2014·Granted Sep 5, 2017·0 cites·10 claims
- 0649US9291525B2Gas sensor element and gas sensorNGK SPARK PLUG CO·Filed 2013·Granted Mar 22, 2016·0 cites·2 claims
- 0747US9234870B2Gas sensor element, and gas sensorNGK SPARK PLUG CO·Filed 2012·Granted Jan 12, 2016·0 cites·3 claims
- 0839US9829462B2Gas sensor element and gas sensorNGK SPARK PLUG CO·Filed 2015·Granted Nov 28, 2017·0 cites·6 claims
- 0938US9989487B2Gas sensorNGK SPARK PLUG CO·Filed 2015·Granted Jun 5, 2018·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →