Inventor

MASAKARI YOSUKE

JP15 patents

⚠️ This page may combine multiple inventors who share the name “MASAKARI YOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KIKKOMAN CORP

14 patents

US11111517B2Sep 7, 2021

HbA1c dehydrogenase

KIKKOMAN CORP8 citations82

US10767211B2Sep 8, 2020

Modified amadoriase reacting with fructosyl hexapeptide

KIKKOMAN CORP2 citations71

US9701949B2Jul 11, 2017

Amadoriase with improved thermostability, gene and recombinant DNA for the amadoriase, and method for production of amadoriase with improved thermostability

KIKKOMAN CORP2 citations71

US11549134B2Jan 10, 2023

Modified amadoriase and method for producing the same, agent for improving surfactant resistance of amadoriase and composition for measuring HbA1c using the same

KIKKOMAN CORP0 citations61

US11078517B2Aug 3, 2021

Hemoglobin A1c measurement method and measurement kit

KIKKOMAN CORP0 citations61

US10619183B2Apr 14, 2020

Modified amadoriase and method for producing the same, agent for improving surfactant resistance of amadoriase and composition for measuring HbA1c using the same

KIKKOMAN CORP1 citations61

US11879149B2Jan 23, 2024

Quantification method of ethanolamine phosphate, oxidoreductase for quantification, composition for quantification, kit for quantification and sensor for quantification

KIKKOMAN CORP0 citations55

US11208466B2Dec 28, 2021

Cytochrome-fused glucose dehydrogenase and glucose measurement method

KIKKOMAN CORP0 citations51

US11046993B2Jun 29, 2021

Glucose dehydrogenase having modified electron transfer properties, and glucose measurement method

KIKKOMAN CORP0 citations51

US12571758B2Mar 10, 2026

Glucose redox reaction and composition for glucose measurement using flavin compound

KIKKOMAN CORP0 citations50

US11781167B2Oct 10, 2023

ICHIYANAGI ATSUSHI

1 patent

US9062286B2Jun 23, 2015

Amadoriase having altered substrate specificity

ICHIYANAGI ATSUSHI6 citations65

MASAKARI YOSUKE

KIKKOMAN CORP

HbA1c dehydrogenase

Modified amadoriase reacting with fructosyl hexapeptide

Amadoriase with improved thermostability, gene and recombinant DNA for the amadoriase, and method for production of amadoriase with improved thermostability

Modified amadoriase and method for producing the same, agent for improving surfactant resistance of amadoriase and composition for measuring HbA1c using the same

Hemoglobin A1c measurement method and measurement kit

Modified amadoriase and method for producing the same, agent for improving surfactant resistance of amadoriase and composition for measuring HbA1c using the same

Quantification method of ethanolamine phosphate, oxidoreductase for quantification, composition for quantification, kit for quantification and sensor for quantification

Cytochrome-fused glucose dehydrogenase and glucose measurement method

Glucose dehydrogenase having modified electron transfer properties, and glucose measurement method

Glucose redox reaction and composition for glucose measurement using flavin compound

Continuous glucose monitoring using an FAD-dependent glucose dehydrogenase

Amadoriase having altered substrate specificity

Amadoriase having enhanced dehydrogenase activity

Amadoriase having enhanced anionic surfactant tolerance

ICHIYANAGI ATSUSHI

Amadoriase having altered substrate specificity