Inventor

KAMIYAMA YOSHIYASU

JP6 patents

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

NITTO ELECTRIC IND CO

5 patents

US4619767AOct 28, 1986

NITTO DENKO CORP

1 patent

US5104544AApr 14, 1992

Refining of a rare earth including a process for separation by a reverse osmosis membrane

NITTO DENKO CORP14 citations73

KAMIYAMA YOSHIYASU

NITTO ELECTRIC IND CO

Composite semipermeable membrane

Membrane separation apparatus

Process for preparing a selective permeable membrane

Composite semipermeable membrane and process for preparation thereof

Composite semipermeable membrane of polyamine and trianzine

NITTO DENKO CORP

Refining of a rare earth including a process for separation by a reverse osmosis membrane