Inventor · disambiguated record
Hanako Oyamada
Also filed as: OYAMADA HANAKO
5 granted patents·114 citations·filing 2012–2019
83Inventor score
Top patents by PatentIndex Score
5 records- 0197US10376867B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY PLC·Filed 2017·Granted Aug 13, 2019·9 cites·18 claims
- 0297US9868115B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY PLC·Filed 2015·Granted Jan 16, 2018·13 cites·21 claims
- 0396US9005559B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY JAPAN G K·Filed 2014·Granted Apr 14, 2015·37 cites·21 claims
- 0495US10773251B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY PLC·Filed 2019·Granted Sep 15, 2020·4 cites·20 claims
- 0595US8652429B2Oxidation catalyst for internal combustion engine exhaust gas treatmentJOHNSON MATTHEY JAPAN G K GODO KAISHA·Filed 2012·Granted Feb 18, 2014·51 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →