P

Inventor

PENG FANG ZHENG

US10 patents
⚠️ This page may combine multiple inventors who share the name “PENG FANG ZHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LOCKHEED MARTIN ENERGY SYS INC

3 patents
US5644483AJul 1, 1997

Voltage balanced multilevel voltage source converter system

LOCKHEED MARTIN ENERGY SYS INC137 citations97
USRE37126EApr 3, 2001

Multilevel cascade voltage source inverter with seperate DC sources

LOCKHEED MARTIN ENERGY SYS INC65 citations95
US5710698AJan 20, 1998

Delta connected resonant snubber circuit

LOCKHEED MARTIN ENERGY SYS INC41 citations89

UNIV MICHIGAN STATE

3 patents
US9438228B2Sep 6, 2016

High efficiency gate drive circuit for power transistors

UNIV MICHIGAN STATE7 citations83
US9294003B2Mar 22, 2016

Transformer-less unified power flow controller

UNIV MICHIGAN STATE6 citations72
US10033263B2Jul 24, 2018

System and method for optimizing fundamental frequency modulation for a cascaded multilevel inverter

UNIV MICHIGAN STATE0 citations41

LOCKHEED MARTIN ENERGY RES COR

1 patent
US6075350AJun 13, 2000

Power line conditioner using cascade multilevel inverters for voltage regulation, reactive power correction, and harmonic filtering

LOCKHEED MARTIN ENERGY RES COR269 citations98

LOCKHEED MARTIN ENERGY SYSTEM

1 patent
US5642275AJun 24, 1997

Multilevel cascade voltage source inverter with seperate DC sources

LOCKHEED MARTIN ENERGY SYSTEM414 citations96

UT BATELLE LLC

1 patent
US6370050B1Apr 9, 2002

Isolated and soft-switched power converter

UT BATELLE LLC202 citations94

BAKER HUGHES INC

1 patent
US7040391B2May 9, 2006

Low harmonic diode clamped converter/inverter

BAKER HUGHES INC37 citations90