Inventor · disambiguated record
Hyogoro Aoyama
Also filed as: AOYAMA HYOGORO
3 granted patents·138 citations·filing 1988–1991
76Inventor score
Files withRIKEN KK3
Top patents by PatentIndex Score
3 records- 0187US5141714AExhaust gas cleanerRIKEN KK·Filed 1990·Granted Aug 25, 1992·78 cites·11 claims
- 0270US5154901AMethod of cleaning an exhaust gas containing nitrogen oxides and fine carbon-containing particulatesRIKEN KK·Filed 1991·Granted Oct 13, 1992·31 cites·2 claims
- 0367US5108977ACatalyst for cleaning exhaust gasRIKEN KK·Filed 1988·Granted Apr 28, 1992·29 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →