Inventor · disambiguated record
Risto J. Honkala
Also filed as: HONKALA RISTO J · HONKALA RISTO JOHANNES
4 granted patents·35 citations·filing 1974–1986
75Inventor score
Files withOUTOKUMPU OY4
Top patents by PatentIndex Score
4 records- 0171US4029494AProcess for smelting and recovery of a material containing noble metalsOUTOKUMPU OY·Filed 1974·Granted Jun 14, 1977·15 cites·4 claims
- 0255US4355005AProcess for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmiumOUTOKUMPU OY·Filed 1981·Granted Oct 19, 1982·8 cites·3 claims
- 0346US4740239AProcess for exploitation of low grade oxidic and iron-bearing complex ores or concentratesOUTOKUMPU OY·Filed 1986·Granted Apr 26, 1988·6 cites·3 claims
- 0445US4313849AProcess for the production of activated carbon from a moist organic substanceOUTOKUMPU OY·Filed 1979·Granted Feb 2, 1982·6 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Risto J. Honkala 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 →