Inventor · disambiguated record
Yoshiyuki Koizumi
Also filed as: KOIZUMI YOSHIYUKI
14 granted patents·8 pending applications·84 citations·filing 1999–2018
86Inventor score
Top patents by PatentIndex Score
22 records- 0187US10961186B2Method for producing methionineSUMITOMO CHEMICAL CO·Filed 2018·Granted Mar 30, 2021·2 cites·20 claims
- 0286US6435567B2Coupling structure for tubeTOTAKU IND·Filed 2001·Granted Aug 20, 2002·74 cites·20 claims
- 0368US8217197B2Process for producing methionineKOIZUMI YOSHIYUKI·Filed 2009·Granted Jul 10, 2012·2 cites·6 claims
- 0463US8101797B2Process for producing methionineKOIZUMI YOSHIYUKI·Filed 2009·Granted Jan 24, 2012·1 cites·4 claims
- 0558US10981735B2Pneumatic conveyance method for methionineSUMITOMO CHEMICAL CO·Filed 2018·Granted Apr 20, 2021·0 cites·4 claims
- 0656US10995065B2Method for producing purified methionine and method for preventing caking of methionineSUMITOMO CHEMICAL CO·Filed 2018·Granted May 4, 2021·0 cites·4 claims
- 0753US11192855B2Method for manufacturing methionineSUMITOMO CHEMICAL CO·Filed 2018·Granted Dec 7, 2021·0 cites·3 claims
- 0852US8106237B2Process for producing methionineKOIZUMI YOSHIYUKI·Filed 2009·Granted Jan 31, 2012·0 cites·5 claims
- 0951US9926101B2Laminated material for paper containers and paper containers using itNAKAMOTO PACKS CO LTD·Filed 2013·Granted Mar 27, 2018·0 cites·9 claims
- 1048US8119837B2Process for producing methionineAZEMI TAKUSHI·Filed 2009·Granted Feb 21, 2012·0 cites·2 claims
- 1145US2010094049A1Process for producing 2-hydroxy-4-methylthiobutanoic acidSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 1245US2010004486A1Process for producing methionineSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 1343US2015038739A1Method for manufacturing refined methionineSUMITOMO CHEMICAL CO·Filed 2013·Application pending·0 cites
- 1442US2014155652A1Method of producing methionineSUMITOMO CHEMICAL CO·Filed 2013·Application pending·0 cites
- 1541US10829447B2Methionine production method and production equipmentSUMITOMO CHEMICAL CO·Filed 2018·Granted Nov 10, 2020·0 cites·4 claims
- 1640US11577190B2Recovered-carbon-dioxide purifying method and methionine manufacturing method including recovered-carbon-dioxide purifying stepSUMITOMO CHEMICAL CO·Filed 2018·Granted Feb 14, 2023·0 cites·3 claims
- 1740US11111213B2Method for producing methionineSUMITOMO CHEMICAL CO·Filed 2018·Granted Sep 7, 2021·0 cites·4 claims
- 1840US2003029987A1Bell mouth and method for manufacturing box to be buried under groundTOTAKU IND·Filed 2002·Application pending·0 cites
- 1939US2012253068A1Process for producing methionineIMADA NAOKO·Filed 2012·Application pending·0 cites
- 2037US2011207962A1Production method of methionineSUMITOMO CHEMICAL CO·Filed 2011·Application pending·0 cites
- 2135US6561419B1Magnetic code reading device and magnetic code reading methodNCR CORP·Filed 1999·Granted May 13, 2003·5 cites·27 claims
- 2235US2020140379A1Methionine production method and production equipmentSUMITOMO CHEMICAL CO·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →