Inventor · disambiguated record
Katuhiko Ishikawa
Also filed as: ISHIKAWA KATUHIKO
3 granted patents·1 pending application·41 citations·filing 1979–2001
71Inventor score
Top patents by PatentIndex Score
4 records- 0176US4247725AMethod of removing acetylenes from C4 -hydrocarbon mixture containing butadieneNIPPON OIL CO LTD·Filed 1979·Granted Jan 27, 1981·12 cites·10 claims
- 0254US5316658AProcess for the production of low-sulfur diesel gas oilNIPPON CO LTD·Filed 1992·Granted May 31, 1994·20 cites·6 claims
- 0338US6264827B1Manufacturing process of diesel gas oil with high cetane number and low sulfurNIPPON MITSUBISHI OIL CORP·Filed 1999·Granted Jul 24, 2001·9 cites·16 claims
- 0432US2001014645A1Catalyst for converting aromatic hydrocarbon and conversion method thereofFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →