Inventor
ITO IKUO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “ITO IKUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMIKIN CHEMICAL
6 patentsUS6054609AApr 25, 2000
Method of separating isomers of nitrotoluic acid
SUMIKIN CHEMICAL2 citations62
US5550284AAug 27, 1996
Production method for alkoxynaphthalenecarboxylic acid
SUMIKIN CHEMICAL4 citations60
US5414174AMay 9, 1995
Side-chain alkylation method
SUMIKIN CHEMICAL3 citations59
US5463156AOct 31, 1995
Method and apparatus for dehydrogenation
SUMIKIN CHEMICAL5 citations57
US5416256AMay 16, 1995
Process for manufacturing 5-hydroxyisophthalic acid
SUMIKIN CHEMICAL0 citations51
US5354899AOct 11, 1994
Production process of 1,4,5,8-naphthalene tetracarboxylic acid
SUMIKIN CHEMICAL1 citations51
SEIKO EPSON CORP
5 patentsUS5707162AJan 13, 1998
Modular information processing apparatus
SEIKO EPSON CORP64 citations95
US5028934AJul 2, 1991
Hand-held portable printing system
SEIKO EPSON CORP117 citations95
US5927878AJul 27, 1999
Modular information processing apparatus
SEIKO EPSON CORP25 citations92
US5794214AAug 11, 1998
Point-of-sale terminal
SEIKO EPSON CORP25 citations91
US5594920AJan 14, 1997
Point-of-sale terminal and printing apparatus therefor
SEIKO EPSON CORP29 citations91