Inventor

KUMAI KO

3 patents

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

NIPPON KINZOKU CO LTD

2 patents

US4647305AMar 3, 1987

Process for manufacturing amorphous alloy powders

NIPPON KINZOKU CO LTD15 citations68

US4236200ANov 25, 1980

Semiconductor circuit having a series-connected reactor

NIPPON KINZOKU CO LTD1 citations51

NIPPON STEEL CORP

1 patent

US4073643AFeb 14, 1978

Continuously cast steel slabs for steel sheets having excellent workabilities and method for production thereof

NIPPON STEEL CORP33 citations88