Inventor

YAMANO KIYOICHI

3 patents

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

DAIDO STEEL CO LTD

2 patents

US3973950AAug 10, 1976

Low carbon calcium-sulfur containing free-cutting steel

DAIDO STEEL CO LTD37 citations90

US4308415ADec 29, 1981

Process for refining a molten metal and an apparatus therefor

DAIDO STEEL CO LTD8 citations69

DAIDO TOKISHUKO KABUSHIKI KAIS

1 patent

US4371392AFeb 1, 1983

Process for refining a molten metal

DAIDO TOKISHUKO KABUSHIKI KAIS7 citations64