Inventor · disambiguated record
Yasutaka Sumida
Also filed as: SUMIDA YASUTAKA
11 granted patents·1 pending application·81 citations·filing 1995–2013
88Inventor score
Top patents by PatentIndex Score
12 records- 0182US6743748B2Catalyst for producing epoxy compounds and method of producing epoxy compounds using the sameNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Jun 1, 2004·18 cites·12 claims
- 0269US6294693B1Production process for ether carboxylate saltNIPPON CATALYTIC CHEM IND·Filed 1999·Granted Sep 25, 2001·13 cites·11 claims
- 0362US8173588B2Iminocarboxylic acid salt-containing solid composition and production method thereofINA TOMOMI·Filed 2006·Granted May 8, 2012·2 cites·10 claims
- 0462US6506932B2Method for production of oxygen-containing aromatic compoundNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Jan 14, 2003·3 cites·12 claims
- 0559US6103686AChelating compositionNIPPON CATALYTIC CHEM IND·Filed 1998·Granted Aug 15, 2000·27 cites·8 claims
- 0658US6504054B1Amino acid derivative and producing method thereofNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Jan 7, 2003·3 cites·5 claims
- 0758US6063302AMethod for handling iminocarboxylic acid saltNIPPON CATALYTIC CHEM IND·Filed 1995·Granted May 16, 2000·7 cites·8 claims
- 0851US7425519B2Liquid phase oxygenation reaction using tungsten speciesNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Sep 16, 2008·2 cites·10 claims
- 0949US10566618B2CellUNIV TOKYO·Filed 2013·Granted Feb 18, 2020·0 cites·14 claims
- 1045US2009022645A1Bleaching activator and detergent composition comprising the sameNIPPON CATALYTIC CHEM IND·Filed 2006·Application pending·0 cites
- 1137US7319165B2Aminopolycarboxylic acid aqueous solution composition and stabilization method of aminopolycarboxlic acidNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Jan 15, 2008·0 cites·10 claims
- 1235US5801277ASolid catalyst for etherification reaction and production process for ether compound using this catalystNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Sep 1, 1998·6 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →