Inventor · disambiguated record
Keigo Yorioka
Also filed as: YORIOKA KEIGO
4 granted patents·24 citations·filing 1978–2012
71Inventor score
Top patents by PatentIndex Score
4 records- 0174US8114209B2Oil type release agent for die casting method for setting solvent mixing ratio, casting method, and spray unitAOKI HISAHARU·Filed 2007·Granted Feb 14, 2012·3 cites·7 claims
- 0271US4233946AExhaust gas recirculation systemAISAN IND·Filed 1979·Granted Nov 18, 1980·14 cites·1 claims
- 0355US8764897B2Oil type release agent for die casting method for getting solvent mixing ratio, casting method, and spray unitAOKI HISAHARU·Filed 2012·Granted Jul 1, 2014·0 cites·15 claims
- 0447US4203400AExhaust gas recirculation system for an internal combustion engineAISAN IND·Filed 1978·Granted May 20, 1980·7 cites·10 claims
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