Inventor · disambiguated record
Keiichi Tsuto
Also filed as: TSUTO KEIICHI
17 granted patents·1 pending application·505 citations·filing 1976–2019
95Inventor score
Top patents by PatentIndex Score
18 records- 0193US5902569AUltraviolet shielding composite fine particles, method for producing the same, and cosmeticsKAO CORP·Filed 1996·Granted May 11, 1999·118 cites·25 claims
- 0288US6960672B2Processes for producing alkyl ester of fatty acidREVO INTERNAT INC·Filed 2002·Granted Nov 1, 2005·50 cites·9 claims
- 0384US6288251B1Process for preparing alkyl esters of fatty acids from fats and oilsLONFORD DEV LTD·Filed 1999·Granted Sep 11, 2001·76 cites·4 claims
- 0484US6090959AMethod of producing fatty acid lower alkylester from fat and oilLONFORD DEV LIMITED·Filed 1998·Granted Jul 18, 2000·70 cites·6 claims
- 0582US7626047B2Method of producing fatty acid alkyl ester for diesel fuel oilREVO INTERNAT INC·Filed 2003·Granted Dec 1, 2009·22 cites·17 claims
- 0679US7488837B2Process for producing fatty acid alkyl esterREVO INTERNAT INC·Filed 2005·Granted Feb 10, 2009·8 cites·9 claims
- 0774US4072470AGas feeder for sulfonation apparatusKAO CORP·Filed 1977·Granted Feb 7, 1978·27 cites·7 claims
- 0873US5827507AUltraviolet shielding composite fine particles, method for producing the same, and cosmeticsKAO CORP·Filed 1994·Granted Oct 27, 1998·39 cites·22 claims
- 0970US5618580AMethod for producing ceramic fine particles and apparatus used thereforKAO CORP·Filed 1993·Granted Apr 8, 1997·22 cites·18 claims
- 1069US5274187AProcess for producing compound having carbonyl and/or carboxyl groupKAO CORP·Filed 1992·Granted Dec 28, 1993·26 cites·21 claims
- 1160US6197282B1Fine ultraviolet screening particles, process for preparing the same, and cosmetic preparationKAO CORP·Filed 1997·Granted Mar 6, 2001·24 cites·17 claims
- 1252US6090373AUltraviolet-screening composite particulate and process for the production thereofKAO CORP·Filed 1997·Granted Jul 18, 2000·16 cites·20 claims
- 1348US7857869B2Process for producing diesel fuel oil from fatREVO INTERNAT INC·Filed 2004·Granted Dec 28, 2010·1 cites·9 claims
- 1440US4086256AProcess for sulfonationKAO CORP·Filed 1976·Granted Apr 25, 1978·2 cites·5 claims
- 1533US10533140B2Method for producing hydrocarbon liquid fuelREVO INT INC·Filed 2017·Granted Jan 14, 2020·0 cites·6 claims
- 1633US2021179952A1Method for producing liquid hydrocarbon fuelREVO INT INC·Filed 2019·Application pending·0 cites
- 1730US4097242ASulfonation apparatusKAO CORP·Filed 1977·Granted Jun 27, 1978·3 cites·7 claims
- 1824US5321630AMethod of detecting a layer level conditionKAO CORP·Filed 1991·Granted Jun 14, 1994·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →