Inventor · disambiguated record
Shigehiro Ohtsuka
Also filed as: OHTSUKA SHIGEHIRO
5 granted patents·2 pending applications·16 citations·filing 2014–2024
72Inventor score
Top patents by PatentIndex Score
7 records- 0188US9476863B2Gas sensor with porous protection layersNGK SPARK PLUG CO·Filed 2014·Granted Oct 25, 2016·10 cites·8 claims
- 0282US10352893B2Gas sensor control apparatusNGK SPARK PLUG CO·Filed 2016·Granted Jul 16, 2019·3 cites·2 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
- 0470US10012612B2Gas sensor element and gas sensorNGK SPARK PLUG CO·Filed 2016·Granted Jul 3, 2018·1 cites·6 claims
- 0551US2025210944A1Spark plugNITERRA CO LTD·Filed 2024·Application pending·0 cites
- 0650US9753020B2Gas sensor element, gas sensor, and method of manufacturing gas sensor elementNGK SPARK PLUG CO·Filed 2014·Granted Sep 5, 2017·0 cites·10 claims
- 0743US2020363369A1Gas sensor element and gas sensorNGK SPARK PLUG CO·Filed 2018·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →