Inventor
NAKATSU HIDESHI
JP4 patents
⚠️ This page may combine multiple inventors who share the name “NAKATSU HIDESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
3 patentsUS6763593B2Jul 20, 2004
Razor blade material and a razor blade
HITACHI METALS LTD19 citations89
US6663726B2Dec 16, 2003
High-hardness prehardened steel for cold working with excellent machinability, die made of the same for cold working, and method of working the same
HITACHI METALS LTD4 citations57
US6413329B1Jul 2, 2002
High strength steel for dies with excellent machinability
HITACHI METALS LTD6 citations55