Inventor · name-matched record
NARITA KEIICHI
3 granted patents·1 pending application·25 citations·filing 1996–2023
59Inventor score
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
4 records- 0169US5965495ALubricating oil composition for internal combustion enginesIDEMITSU KOSAN CO·Filed 1996·Granted Oct 12, 1999·25 cites·15 claims
- 0259US12521699B2Exhaust purification catalystCATALER CORP·Filed 2020·Granted Jan 13, 2026·0 cites·3 claims
- 0356US12528074B2Catalyst materialCATALER CORP·Filed 2020·Granted Jan 20, 2026·0 cites·14 claims
- 0447US2026062639A1Lubricating oil compositionIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
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Identity basis: exact name match across USPTO filings. How scoring works →