Inventor · disambiguated record
Qihua Zhao
Also filed as: ZHAO QIHUA · ZHAO QIHUA Z
4 granted patents·123 citations·filing 2001–2007
80Inventor score
Files withHONEYWELL INT INC4
Top patents by PatentIndex Score
4 records- 0194US7408755B1Advanced inrush/transient current limit and overload/short circuit protection method and apparatus for DC voltage power supplyHONEYWELL INT INC·Filed 2007·Granted Aug 5, 2008·50 cites·15 claims
- 0284US7012392B2Multi-stage dynamic braking resistor networkHONEYWELL INT INC·Filed 2004·Granted Mar 14, 2006·36 cites·17 claims
- 0380US6861897B1Active filter for multi-phase AC power systemHONEYWELL INT INC·Filed 2003·Granted Mar 1, 2005·26 cites·34 claims
- 0454US6469485B2Active filter and method for suppressing current harmonicsHONEYWELL INT INC·Filed 2001·Granted Oct 22, 2002·11 cites·23 claims
Join the waitlist — get patent alerts
Get an alert when Qihua 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 →