Inventor · disambiguated record
Gregory Kiyoshi Koyanagi
Also filed as: KOYANAGI GREGORY KIYOSHI
7 granted patents·2 pending applications·21 citations·filing 2009–2016
80Inventor score
Top patents by PatentIndex Score
9 records- 0185US8309032B2Catalytic converter apparatusPLATI STEFANO·Filed 2009·Granted Nov 13, 2012·16 cites·16 claims
- 0272US9108156B2Catalytic converter apparatusVIDA HOLDINGS LTD·Filed 2013·Granted Aug 18, 2015·2 cites·18 claims
- 0371US9260999B2Apparatus and method for engine backpressure reductionVIDA HOLDINGS CORP LTD·Filed 2013·Granted Feb 16, 2016·3 cites·22 claims
- 0459US9101878B2Catalytic converter apparatusVIDA HOLDINGS LTD·Filed 2014·Granted Aug 11, 2015·0 cites·8 claims
- 0556US9926824B2Catalytic converter apparatusVIDA HOLDINGS LTD·Filed 2015·Granted Mar 27, 2018·0 cites·10 claims
- 0656US9101881B2Catalytic converter apparatusVIDA HOLDINGS LTD·Filed 2013·Granted Aug 11, 2015·0 cites·7 claims
- 0754US2013028819A1Catalytic converter apparatusVIDA HOLDINGS LTD·Filed 2012·Application pending·0 cites
- 0851US2016158698A1Apparatus and method for engine backpressure reductionVIDA FRESH AIR CORP·Filed 2016·Application pending·0 cites
- 0942US9964012B2Method for sizing and positioning catalytic converter insulationVIDA HOLDINGS CORP LTD·Filed 2014·Granted May 8, 2018·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →