Inventor · disambiguated record
Tomoyuki Igarashi
Also filed as: IGARASHI TOMOYUKI
7 granted patents·14 citations·filing 2012–2019
76Inventor score
Top patents by PatentIndex Score
7 records- 0184US8841828B2Spark plugIGARASHI TOMOYUKI·Filed 2012·Granted Sep 23, 2014·8 cites·7 claims
- 0274US9083155B2Spark plug with an improved separation resistance of a noble metal tipNGK SPARK PLUG CO·Filed 2013·Granted Jul 14, 2015·3 cites·9 claims
- 0373US9735552B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Aug 15, 2017·2 cites·14 claims
- 0470US10186844B2Spark plugNGK SPARK PLUG CO·Filed 2015·Granted Jan 22, 2019·1 cites·6 claims
- 0552US11434804B2Exhaust purification deviceMARELLI CORP·Filed 2019·Granted Sep 6, 2022·0 cites·12 claims
- 0646US10340666B2Spark plugNGK SPARK PLUG CO·Filed 2017·Granted Jul 2, 2019·0 cites·9 claims
- 0740US10283941B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted May 7, 2019·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →