Beijing
China
7
2020-07-09
The entities that hold a legal rights for patent applications filed by inventor Wang Zhifeng:
Zhifeng Wang from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for Calibrating Positioning Fingerprint Database by Utilizing Signaling Monitoring Technology
#2 | 2020-07-092G3G4G Speech Quality Fault Four-Domain Six-Dimension Intelligent Delimitation Method
#3 | 2015-01-01WiFi proximity messaging
#4 | 2012-12-06PROBE RESPONSE SUPPORTED WIRELESS AUTOCONNECTION
#5 | 2011-12-29WiFi proximity messaging
#6 | 2010-12-16Catalytic cracking process for reducing sulfur content in gasoline and the device thereof
#7 | 2009-01-22Passive interface and software configuration for portable devices
1024487 ⎘