Inventor · disambiguated record

Nobuchika Kawagoishi

Also filed as: KAWAGOISHI NOBUCHIKA

2 granted patents·33 citations·filing 1999–2003

59Inventor score

Technology areasC10M

Files withTONENGENERAL SEKIYU K K2

Top patents by PatentIndex Score

2 records

0171US6638897B2Lubricant oil composition for internal combustion engines (law859)TONENGENERAL SEKIYU K K·Filed 1999·Granted Oct 28, 2003·30 cites·7 claims
0252US7148186B2Lubricant oil composition for diesel engines (LAW964)TONENGENERAL SEKIYU K K·Filed 2003·Granted Dec 12, 2006·3 cites·2 claims

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Nobuchika Kawagoishi — Patent Inventor | PatentIndex