Inventor
HARAKAWA YOSHIO
US6 patents
⚠️ This page may combine multiple inventors who share the name “HARAKAWA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEIKOKU PISTON RING CO LTD
3 patentsUS4891068AJan 2, 1990
Additive powders for coating materials or plastics
TEIKOKU PISTON RING CO LTD20 citations81
US5013346AMay 7, 1991
Method of making additive powders for coating materials or plastics
TEIKOKU PISTON RING CO LTD10 citations73
US5840095ANov 24, 1998
Method and apparatus for producing flat metal powder directly from melt
TEIKOKU PISTON RING CO LTD1 citations47