Inventor · disambiguated record
Keizou Ikai
Also filed as: IKAI KEIZOU
5 granted patents·1 pending application·103 citations·filing 2005–2014
80Inventor score
Top patents by PatentIndex Score
6 records- 0196US7582902B2Raw material carbon composition for carbon material for electrode in electric double layer capacitorNIPPON OIL CORP·Filed 2005·Granted Sep 1, 2009·83 cites·22 claims
- 0284US8226921B2Raw coke for electricity storage carbon material and needle cokeOYAMA TAKASHI·Filed 2011·Granted Jul 24, 2012·4 cites·4 claims
- 0382US8197788B2Raw coke for electricity storage carbon material and needle cokeOYAMA TAKASHI·Filed 2011·Granted Jun 12, 2012·4 cites·7 claims
- 0479US7959888B2Raw coke for electricity storage carbon material and needle cokeNIPPON OIL CORP·Filed 2006·Granted Jun 14, 2011·8 cites·9 claims
- 0576US10008337B2Activated carbon for an electric double-layer capacitor electrode and manufacturing method for samePOWER CARBON TECH CO LTD·Filed 2014·Granted Jun 26, 2018·4 cites·2 claims
- 0637US2012050948A1Carbon material for electric double layer capacitor electrode and method for producing the carbon materialFUJII MASAKI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →