Inventor · disambiguated record
Keizo Nishiyama
Also filed as: NISHIYAMA KEIZO
5 granted patents·48 citations·filing 1974–2004
79Inventor score
Top patents by PatentIndex Score
5 records- 0162US4427295AMeasuring apparatusCANON KK·Filed 1982·Granted Jan 24, 1984·18 cites·5 claims
- 0252US7784524B2Apparatus and method for producing casting moldLIGNYTE CO LTD·Filed 2004·Granted Aug 31, 2010·2 cites·10 claims
- 0350US3944514AProcess for the manufacture of resin-coated refractory particles, preferably sandJIDOSHOKKI SEISAKUSHO KK·Filed 1974·Granted Mar 16, 1976·14 cites·8 claims
- 0441US4425041AMeasuring apparatusCANON KK·Filed 1981·Granted Jan 10, 1984·8 cites·1 claims
- 0535US4059710AProcess for plating shaped articles made of synthetic resinsTOYODA AUTOMATIC LOOM WORKS·Filed 1976·Granted Nov 22, 1977·6 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Keizo Nishiyama 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 →