Inventor
IKUTA SHIGERU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “IKUTA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO JOZO KK
10 patentsUS4420562ADec 13, 1983
Method for producing creatinase
TOYO JOZO KK7 citations73
US4385112AMay 24, 1983
Nucleoside oxidase and process for making same, and process and kit for using same
TOYO JOZO KK10 citations73
US4216292AAug 5, 1980
Process for the production of sarcosine oxidase
TOYO JOZO KK9 citations73
US4135980AJan 23, 1979
Choline oxidase
TOYO JOZO KK14 citations73
US5075465ADec 24, 1991
25-hydroxy vitamin d3 derivatives, process for their production, and assay method using the same
TOYO JOZO KK6 citations71
US5214170AMay 25, 1993
Radioisotope iodine-labeled 1α (or 24R), 25-dihydroxy vitamin D3
TOYO JOZO KK12 citations70
US5116748AMay 26, 1992
Process for the production of l-alanine dehydrogenase from 78-3 ferm bp-2517
TOYO JOZO KK5 citations61
US5117018AMay 26, 1992
1α (or 24R), 25-dihydroxy vitamin D3 derivatives
TOYO JOZO KK2 citations59
US4346173AAug 24, 1982
Process for the production of acyl-Coenzyme A oxidase
TOYO JOZO KK1 citations51
US5043279AAug 27, 1991
DNA encoding a bacillus creatinase
TOYO JOZO KK1 citations49
ASAHI CHEMICAL IND
3 patentsUS5780256AJul 14, 1998
Method and composition for quantitative determination of ammonia, α-amino acid, or α-keto acid
ASAHI CHEMICAL IND11 citations74
US5633143AMay 27, 1997
Method for the quantitative determination of D-3-hydroxybutyric acid and acetoacetic acid, and analytical reagent therefor
ASAHI CHEMICAL IND15 citations74
US5202266AApr 13, 1993
25-hydroxy vitamin D3 derivatives, process for their production, and assay method using the same
ASAHI CHEMICAL IND6 citations60