Inventor
MA YANPING
US15 patents
⚠️ This page may combine multiple inventors who share the name “MA YANPING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EFFICIENT POWER CONVERSION CORP
7 patentsUS9837438B2Dec 5, 2017
GaN transistors with polysilicon layers used for creating additional components
EFFICIENT POWER CONVERSION CORP6 citations83
US9214461B2Dec 15, 2015
GaN transistors with polysilicon layers for creating additional components
EFFICIENT POWER CONVERSION CORP9 citations82
US10312260B2Jun 4, 2019
GaN transistors with polysilicon layers used for creating additional components
EFFICIENT POWER CONVERSION CORP3 citations72
US9171911B2Oct 27, 2015
Isolation structure in gallium nitride devices and integrated circuits
EFFICIENT POWER CONVERSION CORP6 citations72
US9214399B2Dec 15, 2015
Integrated circuit with matching threshold voltages and method for making same
EFFICIENT POWER CONVERSION CORP1 citations51
US9331191B2May 3, 2016
GaN device with reduced output capacitance and process for making same
EFFICIENT POWER CONVERSION CORP1 citations50
US9214528B2Dec 15, 2015
Method to fabricate self-aligned isolation in gallium nitride devices and integrated circuits
EFFICIENT POWER CONVERSION CORP0 citations40
UNIV CALIFORNIA
3 patentsUS5558961ASep 24, 1996
Secondary cell with orthorhombic alkali metal/manganese oxide phase active cathode material
UNIV CALIFORNIA126 citations95
US5443601AAug 22, 1995
Method for intercalating alkali metal ions into carbon electrodes
UNIV CALIFORNIA62 citations94
US5916710AJun 29, 1999
Sodium cobalt bronze batteries and a method for making same
UNIV CALIFORNIA4 citations60