Assignee
WOLFSPEED INC
US190 patents
Top patents by PatentIndex Score
USD954668SJun 14, 2022
Housing for a power module assembly
WOLFSPEED INC19 citations93
US11219966B1Jan 11, 2022
Laser-assisted method for parting crystalline material
WOLFSPEED INC19 citations93
USD969762SNov 15, 2022
Power semiconductor package
WOLFSPEED INC15 citations91
US12070875B2Aug 27, 2024
Silicon carbide wafers with relaxed positive bow and related methods
WOLFSPEED INC5 citations85
US11911842B2Feb 27, 2024
Laser-assisted method for parting crystalline material
WOLFSPEED INC7 citations85
US11901181B2Feb 13, 2024
Carrier-assisted method for parting crystalline material along laser damage region
WOLFSPEED INC7 citations85
US11826846B2Nov 28, 2023
Laser-assisted method for parting crystalline material
WOLFSPEED INC8 citations85
US11654596B2May 23, 2023
Silicon carbide wafers with relaxed positive bow and related methods
WOLFSPEED INC10 citations85
US11417746B2Aug 16, 2022
High power transistor with interior-fed fingers
WOLFSPEED INC7 citations85
USD985517SMay 9, 2023
Power module having pin fins
WOLFSPEED INC5 citations84
US11610991B2Mar 21, 2023
Gate trench power semiconductor devices having improved deep shield connection patterns
WOLFSPEED INC7 citations84
US11652461B2May 16, 2023
Transistor level input and output harmonic terminations
WOLFSPEED INC6 citations83
US12054850B2Aug 6, 2024
Large diameter silicon carbide wafers
WOLFSPEED INC5 citations81
US11519098B2Dec 6, 2022
Dislocation distribution for silicon carbide crystalline materials
WOLFSPEED INC9 citations80
US11696417B2Jul 4, 2023
High power multilayer module having low inductance and fast switching for paralleling power devices
WOLFSPEED INC4 citations74
USRE49913EApr 9, 2024
Vertical power transistor device
WOLFSPEED INC1 citations73
US11887945B2Jan 30, 2024
Semiconductor device with isolation and/or protection structures
WOLFSPEED INC2 citations73
US11791389B2Oct 17, 2023
Radio frequency transistor amplifiers having widened and/or asymmetric source/drain regions for improved on-resistance performance
WOLFSPEED INC2 citations73
US11769828B2Sep 26, 2023
Gate trench power semiconductor devices having improved deep shield connection patterns
WOLFSPEED INC2 citations73
US11664436B2May 30, 2023
Semiconductor devices having gate resistors with low variation in resistance values
WOLFSPEED INC2 citations73
US11476359B2Oct 18, 2022
Structures for reducing electron concentration and process for reducing electron concentration
WOLFSPEED INC2 citations73
US11309413B2Apr 19, 2022
Semiconductor device with improved short circuit withstand time and methods for manufacturing the same
WOLFSPEED INC2 citations73
US12224218B2Feb 11, 2025
Semiconductor packages with increased power handling
WOLFSPEED INC4 citations72
USD1041429SSep 10, 2024
Power module having pin fins
WOLFSPEED INC1 citations72
USD1036395SJul 23, 2024
Power module
WOLFSPEED INC2 citations72
US11936342B2Mar 19, 2024
Output-integrated transistor amplifier device packages incorporating internal connections
WOLFSPEED INC2 citations72
US11887953B2Jan 30, 2024
Package for power electronics
WOLFSPEED INC2 citations72
US11756910B2Sep 12, 2023
Package for power electronics
WOLFSPEED INC2 citations72
US11749726B2Sep 5, 2023
Field effect transistor with source-connected field plate
WOLFSPEED INC2 citations72
US11658234B2May 23, 2023
Field effect transistor with enhanced reliability
WOLFSPEED INC2 citations72
US11563080B2Jan 24, 2023
Trenched power device with segmented trench and shielding
WOLFSPEED INC2 citations72
US11533024B2Dec 20, 2022
Multi-zone radio frequency transistor amplifiers
WOLFSPEED INC5 citations72
US11424333B2Aug 23, 2022
Drain and/or gate interconnect and finger structure
WOLFSPEED INC4 citations72
US11367696B2Jun 21, 2022
Radio frequency amplifiers having improved shunt matching circuits
WOLFSPEED INC2 citations72
US11769827B2Sep 26, 2023
Power transistor with soft recovery body diode
WOLFSPEED INC3 citations71
US11361454B2Jun 14, 2022
Alignment for wafer images
WOLFSPEED INC2 citations71
US11721617B2Aug 8, 2023
Power module
WOLFSPEED INC2 citations69
US11810912B2Nov 7, 2023
Semiconductor devices having asymmetric integrated gate resistors for balanced turn-on/turn-off behavior
WOLFSPEED INC2 citations68
US11281245B1Mar 22, 2022
Bias circuits and improved linearity bias schemes for RF power devices
WOLFSPEED INC5 citations68
US12125701B2Oct 22, 2024
Large dimension silicon carbide single crystalline materials with reduced crystallographic stress
WOLFSPEED INC2 citations67
US11830810B2Nov 28, 2023
Packaged transistor having die attach materials with channels and process of implementing the same
WOLFSPEED INC2 citations67
US12324179B2Jun 3, 2025
Group III-nitride high-electron mobility transistors with a buried metallic conductive material layer and process for making the same
WOLFSPEED INC1 citations64
US12317559B2May 27, 2025
Wide bandgap unipolar/bipolar transistor
WOLFSPEED INC1 citations64
US12454768B1Oct 28, 2025
Hybrid seed structure for crystal growth system
WOLFSPEED INC0 citations63
US12594622B2Apr 7, 2026
Laser-assisted method for parting crystalline material
WOLFSPEED INC0 citations62
US12484244B2Nov 25, 2025
Group III-nitride high-electron mobility transistors with gate connected buried p-type layers and process for making the same
WOLFSPEED INC0 citations62
US12477770B2Nov 18, 2025
Group III-nitride high-electron mobility transistors with buried p-type layers and process for making the same
WOLFSPEED INC0 citations62
US12446180B2Oct 14, 2025
High power multilayer module having low inductance and fast switching for paralleling power devices
WOLFSPEED INC0 citations62
US12426341B2Sep 23, 2025
Semiconductor devices having gate resistors with low variation in resistance values
WOLFSPEED INC0 citations62
US12408360B2Sep 2, 2025
Vertical power devices having mesas and etched trenches therebetween
WOLFSPEED INC0 citations62
Showing the top 50 of 190 patents by PatentIndex Score.