Inventor · disambiguated record
Rufa Zhao
Also filed as: ZHAO RUFA
3 granted patents·66 citations·filing 1987–1990
73Inventor score
Technology areasC22C
Top patents by PatentIndex Score
3 records- 0178US4812182AAir-cooling low-carbon bainitic steelFANG HONGSHENG·Filed 1987·Granted Mar 14, 1989·42 cites·11 claims
- 0267US4957702AAir-cooling duplex bainite-martensite steelsUNIV QINGHUA·Filed 1988·Granted Sep 18, 1990·17 cites·31 claims
- 0342US5123970AMethod of producing an air-hardenable bainite-martensite steelUNIV QINGHUA·Filed 1990·Granted Jun 23, 1992·7 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Rufa Zhao 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 →