Inventor
ABUKAWA FUMITAKA
JP8 patents
⚠️ This page may combine multiple inventors who share the name “ABUKAWA FUMITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOWA MINING CO
6 patentsUS5868871AFeb 9, 1999
Method and apparatus for carburizing, quenching and tempering
DOWA MINING CO69 citations93
US7575643B2Aug 18, 2009
Carburization treatment method
DOWA MINING CO7 citations71
US7024916B2Apr 11, 2006
Vacuum heat treatment furnace and method of and apparatus for measuring carbon concentration in atmosphere having reduced pressure.
DOWA MINING CO8 citations71
US5795538AAug 18, 1998
Apparatus for steel hardening and process therefor
DOWA MINING CO10 citations68
US6709629B2Mar 23, 2004
Vacuum heat treatment furnace
DOWA MINING CO2 citations60
US5795406AAug 18, 1998
Cementation method of metals
DOWA MINING CO1 citations50