Inventor · disambiguated record
Atsushi Ichiyanagi
Also filed as: ICHIYANAGI ATSUSHI
22 granted patents·9 pending applications·37 citations·filing 2007–2023
92Inventor score
Top patents by PatentIndex Score
31 records- 0191US11111517B2HbA1c dehydrogenaseKIKKOMAN CORP·Filed 2017·Granted Sep 7, 2021·8 cites·2 claims
- 0285US8445246B2Flavin-binding glucose dehydrogenasesTAJIMA RYOKO·Filed 2010·Granted May 21, 2013·11 cites·20 claims
- 0378US9493814B2Flavin-binding glucose dehydrogenase having improved substrate specificityKIKKOMAN CORP·Filed 2012·Granted Nov 15, 2016·2 cites·9 claims
- 0478US9062286B2Amadoriase having altered substrate specificityICHIYANAGI ATSUSHI·Filed 2011·Granted Jun 23, 2015·6 cites·9 claims
- 0578US8003359B2Eukaryotic amadoriase having excellent thermal stability, gene and recombinant DNA for the eukaryotic amadoriase, and process for production of eukaryotic amadoriase having excellent thermal stabilityKIKKOMAN CORP·Filed 2007·Granted Aug 23, 2011·2 cites·4 claims
- 0676US9701949B2Amadoriase with improved thermostability, gene and recombinant DNA for the amadoriase, and method for production of amadoriase with improved thermostabilityKIKKOMAN CORP·Filed 2012·Granted Jul 11, 2017·2 cites·9 claims
- 0775US10767211B2Modified amadoriase reacting with fructosyl hexapeptideKIKKOMAN CORP·Filed 2013·Granted Sep 8, 2020·2 cites·4 claims
- 0872US11932880B2Enzyme and method for assaying pentosidine using sameKIKKOMAN CORP·Filed 2019·Granted Mar 19, 2024·1 cites·8 claims
- 0970US10619183B2Modified amadoriase and method for producing the same, agent for improving surfactant resistance of amadoriase and composition for measuring HbA1c using the sameKIKKOMAN CORP·Filed 2014·Granted Apr 14, 2020·1 cites·10 claims
- 1068US10934530B2Amadoriase having improved specific activityKIKKOMAN CORP·Filed 2016·Granted Mar 2, 2021·1 cites·14 claims
- 1168US9708586B2Amadoriase having altered substrate specificityKIKKOMAN CORP·Filed 2015·Granted Jul 18, 2017·1 cites·13 claims
- 1265US2025115883A1Recombinantly expressed glutamate oxidaseKIKKOMAN CORP·Filed 2023·Application pending·0 cites
- 1363US2024401002A1Novel flavin-dependent lactate dehydrogenase and method for improving stability of lactate dehydrogenaseKIKKOMAN CORP·Filed 2022·Application pending·0 cites
- 1463US2024102075A1Method for quantifying 25-hydroxyvitamin d, hydroxylase, quantification composition, quantification kit, electrode, sensor chip, and sensorKIKKOMAN CORP·Filed 2023·Application pending·0 cites
- 1562US11549134B2Modified amadoriase and method for producing the same, agent for improving surfactant resistance of amadoriase and composition for measuring HbA1c using the sameKIKKOMAN CORP·Filed 2020·Granted Jan 10, 2023·0 cites·6 claims
- 1659US12258589B2Glycated hemoglobin oxidase variant and method for measurementKIKKOMAN CORP·Filed 2018·Granted Mar 25, 2025·0 cites·3 claims
- 1759US11879149B2Quantification method of ethanolamine phosphate, oxidoreductase for quantification, composition for quantification, kit for quantification and sensor for quantificationKIKKOMAN CORP·Filed 2021·Granted Jan 23, 2024·0 cites·7 claims
- 1857US2022308074A1Quantification method of vitamin d derivative, enzyme for quantification, composition for quantification, kit for quantification, electrode, sensor chip, and sensorKIKKOMAN CORP·Filed 2022·Application pending·0 cites
- 1956US2022186284A1Method for quantifying citrulline, oxidoreductase for quantification, composition for quantification, kit for quantification, and method for evaluating activity of peptidylarginine deiminaseKIKKOMAN CORP·Filed 2022·Application pending·0 cites
- 2055US2023203559A1Method for quantifying ethanolamine phosphate, oxidoreductase for quantification, quantification composition, quantification kit, sensor chip, and sensorKIKKOMAN CORP·Filed 2022·Application pending·0 cites
- 2153US10697979B2Method for measurement of HbA1c using amadoriase that reacts with glycated peptideKIKKOMAN CORP·Filed 2014·Granted Jun 30, 2020·0 cites·9 claims
- 2253US2023213499A1Device for evaluating state of sample, system containing same, method for evaluating state of sample and lactate dehydrogenase used thereforKIKKOMAN CORP·Filed 2021·Application pending·0 cites
- 2351US11078517B2Hemoglobin A1c measurement method and measurement kitKIKKOMAN CORP·Filed 2014·Granted Aug 3, 2021·0 cites·4 claims
- 2450US8828699B2Eukaryotic amadoriase, gene and recombinant DNA for the eukaryotic amadoriase, and process for production of the eukaryotic amadoriaseHIROKAWA KOZO·Filed 2011·Granted Sep 9, 2014·0 cites·6 claims
- 2549US2022396822A1Method for Measuring Pentosidine and Measurement KitKIKKOMAN CORP·Filed 2020·Application pending·0 cites
- 2648US2022064606A9Luciferase variantKIKKOMAN CORP·Filed 2019·Application pending·0 cites
- 2747US9238802B2E. coli transformant, method for producing flavin-bound glucose dehydrogenase using the same, and mutant flavin-bound glucose dehydrogenasesTAJIMA RYOKO·Filed 2011·Granted Jan 19, 2016·0 cites·1 claims
- 2845US11208675B2Reaction accelerating agentKIKKOMAN CORP·Filed 2017·Granted Dec 28, 2021·0 cites·4 claims
- 2943US11499143B2Amadoriase having enhanced dehydrogenase activityKIKKOMAN CORP·Filed 2015·Granted Nov 15, 2022·0 cites·14 claims
- 3038US11384381B2Reaction accelerating agentKIKKOMAN CORP·Filed 2017·Granted Jul 12, 2022·0 cites·9 claims
- 3138US9469844B2Flavin-bound glucose dehydrogenases, a method for producing a flavin-bound glucose dehydrogenase, and yeast transformant used for the sameTAJIMA RYOKO·Filed 2011·Granted Oct 18, 2016·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →