Inventor · disambiguated record
Kouki Yotsuya
Also filed as: YOTSUYA KOUKI
2 granted patents·58 citations·filing 1991–1996
63Inventor score
Files withNIPPON STEEL CORP2
Top patents by PatentIndex Score
2 records- 0178US5304351ASemi-oval shaped carrier having excellent thermal stress resistance and thermal fatigue resistance for automobile exhaust gas-purifying catalystNIPPON STEEL CORP·Filed 1991·Granted Apr 19, 1994·50 cites·6 claims
- 0233US5902557ADevice for purifying exhaust gas of internal combustion engineNIPPON STEEL CORP·Filed 1996·Granted May 11, 1999·8 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →