Inventor · disambiguated record
Yoshimasa Seo
Also filed as: SEO YOSHIMASA
10 granted patents·3 pending applications·246 citations·filing 1985–2009
90Inventor score
Top patents by PatentIndex Score
13 records- 0185US4925980AProcess for producing methacrylic acid and a catalystNIPPON KAYAKU KK·Filed 1985·Granted May 15, 1990·23 cites·5 claims
- 0284US6028220AProducing acrolein and acrylic acid using a supported dual activity molybdenum, iron, and bismuth based catalyst in a fixed bed multitubular reactorNIPPON KAYAKU KK·Filed 1997·Granted Feb 22, 2000·69 cites·14 claims
- 0384US5929275ACatalyst and process for producing unsaturated aldehyde and unsaturated acidNIPPON KAYAKU KK·Filed 1997·Granted Jul 27, 1999·35 cites·4 claims
- 0482US5959143ACatalysts and process for the preparation thereofNIPPON KAYAKU KK·Filed 1996·Granted Sep 28, 1999·70 cites·6 claims
- 0576US6762148B2Catalyst process of makingNIPPON KAYAKU KK·Filed 2002·Granted Jul 13, 2004·25 cites·19 claims
- 0675US8088947B2Method for producing methacrolein and/or methacrylic acidKURAKAMI TATSUHIKO·Filed 2007·Granted Jan 3, 2012·3 cites·5 claims
- 0773US7642214B2Catalyst for oxidation of alkane, process for preparing thereof and process for producing unsaturated oxygen-containing compoundNIPPON KAYAKU KK·Filed 2006·Granted Jan 5, 2010·3 cites·6 claims
- 0867US7825061B2Catalyst for producing methacrylic acid and preparation method thereofNIPPON KAYAKU KK·Filed 2004·Granted Nov 2, 2010·8 cites·10 claims
- 0961US6812188B2Catalyst for methacrylic acid production, coated catalyst, and process for producing the sameNIPPON KAYAKU KK·Filed 2001·Granted Nov 2, 2004·5 cites·11 claims
- 1048US7849992B2Bill deposit machineGlory Kogyo Kabushiki Kaisya·Filed 2002·Granted Dec 14, 2010·5 cites·7 claims
- 1148US2011137078A1Catalyst And Method For Producing Unsaturated Aldehyde And Unsaturated Carboxylic AcidNIPPON KAYAKU KK·Filed 2009·Application pending·0 cites
- 1242US2007010394A1Process for producing catalyst for methacrylic acid productionATSUSHI SUDO·Filed 2004·Application pending·0 cites
- 1339US2004054221A1Alkane oxidation catalyst, process for producing the same, and process for producing oxygen-containing unsaturated compoundFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →