Inventor · disambiguated record
Ryoichi Naka
Also filed as: NAKA RYOICHI
4 granted patents·44 citations·filing 1984–2002
76Inventor score
Top patents by PatentIndex Score
4 records- 0174US4877494ACorrosion resistant plated steel strip and method for producing sameNIPPON STEEL CORP·Filed 1989·Granted Oct 31, 1989·18 cites·13 claims
- 0264US4897317ACorrosion resistant Zn-Cr plated steel stripNIPPON STEEL CORP·Filed 1988·Granted Jan 30, 1990·12 cites·8 claims
- 0349US7004679B2Easily-cuttable tunnel segment structureGEOSTR CORP·Filed 2002·Granted Feb 28, 2006·11 cites·9 claims
- 0435US4548685AProcess for electrolytically removing metal deposit from a non-plated surface of a single surface-plated metal stripNIPPON STEEL CORP·Filed 1984·Granted Oct 22, 1985·3 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Ryoichi Naka 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 →