Inventor
IIZUKA SADAO
7 patents
⚠️ This page may combine multiple inventors who share the name “IIZUKA SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KANTO DENKA KOGYO KK
5 patentsUS4274865AJun 23, 1981
Production of magnetic powder
KANTO DENKA KOGYO KK19 citations79
US4447264AMay 8, 1984
Production of magnetic powder
KANTO DENKA KOGYO KK7 citations73
US4306921ADec 22, 1981
Production of magnetic powder
KANTO DENKA KOGYO KK12 citations73
US4404024ASep 13, 1983
Production of magnetic powder
KANTO DENKA KOGYO KK3 citations62
US4384892AMay 24, 1983
Production of magnetic powder
KANTO DENKA KOGYO KK4 citations60