Inventor · disambiguated record
Masashi Dasai
Also filed as: DASAI MASASHI
4 granted patents·160 citations·filing 1988–1997
80Inventor score
Technology areasC10M
Files withIDEMITSU KOSAN CO4
Top patents by PatentIndex Score
4 records- 0192US5064546ALubricating oil compositionIDEMITSU KOSAN CO·Filed 1988·Granted Nov 12, 1991·98 cites·32 claims
- 0264US5516440ALubricating oil compositionIDEMITSU KOSAN CO·Filed 1994·Granted May 14, 1996·24 cites·15 claims
- 0360US5273672ALubricating oil composition containing a partial ester of a polyhydric alcohol and a substituted succinic acid esterIDEMITSU KOSAN CO·Filed 1991·Granted Dec 28, 1993·20 cites·30 claims
- 0459US5858932AInternal combustion engine oil compositionIDEMITSU KOSAN CO·Filed 1997·Granted Jan 12, 1999·18 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →