Inventor
IWAMA AKIO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “IWAMA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NITTO ELECTRIC IND CO
9 patentsUS4240914ADec 23, 1980
Selective permeable membrane and process for preparing the same
NITTO ELECTRIC IND CO59 citations95
US4414157ANov 8, 1983
Process for the purification of crude glyceride oil compositions
NITTO ELECTRIC IND CO38 citations91
US4358378ANov 9, 1982
Selective permeable membranes and process for preparing the same
NITTO ELECTRIC IND CO22 citations80
US4529793AJul 16, 1985
Selective permeable membranes comprising a polyquinazolone-based polymer
NITTO ELECTRIC IND CO7 citations73
US4590098AMay 20, 1986
Process for producing composite membrane
NITTO ELECTRIC IND CO14 citations72
US4385084AMay 24, 1983
Process for preparing a selective permeable membrane
NITTO ELECTRIC IND CO15 citations72
US4102807AJul 25, 1978
Hydrous gel and process for its preparation
NITTO ELECTRIC IND CO16 citations72
US4618534AOct 21, 1986
Composite membrane and process for producing the same
NITTO ELECTRIC IND CO13 citations71
US4410568AOct 18, 1983
Process for preparing selective permeable membrane
NITTO ELECTRIC IND CO6 citations62
NITTO DENKO CORP
3 patentsUS5078755AJan 7, 1992
Method of removing dissolved gas from liquid
NITTO DENKO CORP88 citations93
US6203900B1Mar 20, 2001
Pressure sensitive adhesive sheet for detection of microorganism and method for detection of microorganism
NITTO DENKO CORP24 citations88
US4964887AOct 23, 1990
Process for separating methane using permeable membrane
NITTO DENKO CORP13 citations73