Assignee
KOKUSHO CO LTD
JP·2 granted patents·0 citations·filing 2021–2022
Top patents by PatentIndex Score
2 records- 0135US11927122B2Exhaust promotion device, and exhaust system improvement method for internal combustion engineKOKUSHO CO LTD·Filed 2021·Granted Mar 12, 2024·0 cites·16 claims
- 0224USD996328SExhaust gas purifier with function to improve fuel consumptionKOKUSHO CO LTD·Filed 2022·Granted Aug 22, 2023·0 cites·1 claims
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