DH

Del Ray Hilburn

AT AT&T: 3 patents #5,550 of 18,772Top 30%
IT Innoveta Technologies: 1 patents #9 of 13Top 70%
Overall (All Time): #827,184 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10536087 Half-bridge power converter with pre-charging circuit Jin He 2020-01-14
D507247 Veta power converter Qing Chen, Randy Thomas Heinrich, Victor Ke-Ji Lee 2005-07-12
6618274 Synchronous rectifier controller to eliminate reverse current flow in a DC/DC converter output Jeffrey J. Boylan, Qing Chen, Jin He 2003-09-09
6134122 Integrated voltage and current mode controller for a power converter and method of operation thereof Qing Chen 2000-10-17
6130830 System and method for paralleling power converter systems and power supply employing the same Qing Chen 2000-10-10
5874826 Encapsulated modular boost converter and method of manufacture therefor Qing Chen, Ashraf W. Lotfi 1999-02-23