Inventor

NAITOU WATARU

JP2 patents

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

ISHIKAWAJIMA HARIMA HEAVY IND

1 patent

US7040712B2May 9, 2006

Shield tunneling method and shield tunneling machine

ISHIKAWAJIMA HARIMA HEAVY IND8 citations62

DAIDO STEEL CO LTD

1 patent

US7670444B2Mar 2, 2010

Non-heat treated steel for hot forging with easy fracture splitting

DAIDO STEEL CO LTD0 citations34