Inventor
YOSHIOKA NORIAKI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIOKA NORIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NITTO ELECTRIC IND CO
4 patentsUS4619767AOct 28, 1986
Composite semipermeable membrane
NITTO ELECTRIC IND CO38 citations90
US4747946AMay 31, 1988
Tubular membrane ultrafiltration module
NITTO ELECTRIC IND CO14 citations71
US4737325AApr 12, 1988
Composite semipermeable membrane and process for preparation thereof
NITTO ELECTRIC IND CO11 citations71
US4707261ANov 17, 1987
Tubular membrane ultrafiltration module
NITTO ELECTRIC IND CO10 citations71