Inventor · disambiguated record

Hiromu Oka

Also filed as: OKA HIROMU

2 granted patents·17 citations·filing 1987–1994

57Inventor score

Technology areasB21B B22D

Files withKAWASAKI STEEL CO2

Top patents by PatentIndex Score

2 records

0163US5513511AMethod of producing seamless steel tube by using mandrel millKAWASAKI STEEL CO·Filed 1994·Granted May 7, 1996·13 cites·3 claims
0238US4806163AMold additives for use in continuous castingKAWASAKI STEEL CO·Filed 1987·Granted Feb 21, 1989·4 cites·3 claims

Join the waitlist — get patent alerts

Get an alert when Hiromu Oka files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →