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Fabian Radulescu
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Chapel Hill, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device with isolation and/or protection structures
Patent number
11,887,945
Issue date
Jan 30, 2024
Wolfspeed, Inc.
Lei Zhao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistors with modified access regions
Patent number
11,869,964
Issue date
Jan 9, 2024
Wolfspeed, Inc.
Kyoung-Keun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods for pillar connection on frontside and passive device integ...
Patent number
11,842,997
Issue date
Dec 12, 2023
Wolfspeed, Inc.
Terry Alcorn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods for pillar connection on frontside and passive device integ...
Patent number
11,769,768
Issue date
Sep 26, 2023
Wolfspeed, Inc.
Terry Alcorn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor having a backside wafer cavity for radio frequency (R...
Patent number
11,735,538
Issue date
Aug 22, 2023
Wolfspeed, Inc.
Fabian Radulescu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Packaged electronic circuits having moisture protection encapsulati...
Patent number
11,682,634
Issue date
Jun 20, 2023
Wolfspeed, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistor with enhanced reliability
Patent number
11,658,234
Issue date
May 23, 2023
Wolfspeed, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods for pillar connection on frontside and passive device integ...
Patent number
11,646,310
Issue date
May 9, 2023
Wolfspeed, Inc.
Terry Alcorn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Die-to-die isolation structures for packaged transistor devices
Patent number
11,621,322
Issue date
Apr 4, 2023
Wolfspeed, Inc.
Lei Zhao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High electron mobility transistors and power amplifiers including s...
Patent number
11,616,136
Issue date
Mar 28, 2023
Wolfspeed, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor die with improved ruggedness
Patent number
11,587,842
Issue date
Feb 21, 2023
Wolfspeed, Inc.
Chris Hardiman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated doherty amplifier with added isolation between the carri...
Patent number
11,533,025
Issue date
Dec 20, 2022
Wolfspeed, Inc.
Lei Zhao
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Field effect transistor with at least partially recessed field plate
Patent number
11,502,178
Issue date
Nov 15, 2022
Wolfspeed, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High electron mobility transistors having improved drain current dr...
Patent number
11,355,600
Issue date
Jun 7, 2022
Wolfspeed, Inc.
Kyoung-Keun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Stepped field plates with proximity to conduction channel and relat...
Patent number
11,075,271
Issue date
Jul 27, 2021
Cree, Inc.
Evan Jones
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High electron mobility transistors and power amplifiers including s...
Patent number
10,971,612
Issue date
Apr 6, 2021
Cree, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High electron mobility transistors having improved drain current dr...
Patent number
10,937,873
Issue date
Mar 2, 2021
Cree, Inc.
Kyoung-Keun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High electron mobility transistors having improved contact spacing...
Patent number
10,923,585
Issue date
Feb 16, 2021
Cree, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor die with improved ruggedness
Patent number
10,886,189
Issue date
Jan 5, 2021
Cree, Inc.
Chris Hardiman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor die with improved ruggedness
Patent number
10,840,162
Issue date
Nov 17, 2020
Cree, Inc.
Chris Hardiman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Packaged electronic circuits having moisture protection encapsulati...
Patent number
10,811,370
Issue date
Oct 20, 2020
Cree, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor die with improved ruggedness
Patent number
10,332,817
Issue date
Jun 25, 2019
Cree, Inc.
Chris Hardiman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Recessed field plate transistor structures
Patent number
9,847,411
Issue date
Dec 19, 2017
Cree, Inc.
Saptharishi Sriram
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cascode structures for GaN HEMTs
Patent number
9,679,981
Issue date
Jun 13, 2017
Cree, Inc.
Saptharishi Sriram
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with improved field plate
Patent number
9,608,078
Issue date
Mar 28, 2017
Cree, Inc.
Helmut Hagleitner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wafer-level die attach metallization
Patent number
9,536,783
Issue date
Jan 3, 2017
Cree, Inc.
Fabian Radulescu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tunnel junction field effect transistors having self-aligned source...
Patent number
9,356,129
Issue date
May 31, 2016
Cree, Inc.
Fabian Radulescu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gate contact for a semiconductor device and methods of fabrication...
Patent number
9,343,543
Issue date
May 17, 2016
Cree, Inc.
Fabian Radulescu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with self-aligned ohmic contacts
Patent number
9,343,561
Issue date
May 17, 2016
Cree, Inc.
Fabian Radulescu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Using stress reduction barrier sub-layers in a semiconductor die
Patent number
9,269,662
Issue date
Feb 23, 2016
Cree, Inc.
Zoltan Ring
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Topside Cooling for Semiconductor Device
Publication number
20240429120
Publication date
Dec 26, 2024
Wolfspeed, Inc.
Michael Lee Schuette
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
THERMALLY CONDUCTIVE INTERPOSER, A DEVICE IMPLEMENTING A THERMALLY...
Publication number
20240429122
Publication date
Dec 26, 2024
Kyle BOTHE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FLIP-CHIP FIELD EFFECT TRANSISTOR LAYOUTS AND STRUCTURES
Publication number
20240266348
Publication date
Aug 8, 2024
Wolfspeed, Inc.
Fabian Radulescu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FIELD EFFECT TRANSISTOR INCLUDING FIELD PLATES
Publication number
20240162304
Publication date
May 16, 2024
MACOM Technology Solutions Holdings, Inc.
Jeremy Fisher
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH ELECTRON MOBILITY TRANSISTORS HAVING REDUCED DRAIN CURRENT DRI...
Publication number
20240063300
Publication date
Feb 22, 2024
Wolfspeed, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PLASMA-BASED BARRIER LAYER REMOVAL METHOD FOR INCREASING PEAK TRANS...
Publication number
20230395670
Publication date
Dec 7, 2023
Wolfspeed, Inc.
Chris Hardiman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METAL PILLAR CONNECTION TOPOLOGIES FOR HETEROGENEOUS PACKAGING
Publication number
20230075505
Publication date
Mar 9, 2023
Wolfspeed, Inc.
Fabian Radulescu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MULTILAYER ENCAPSULATION FOR HUMIDITY ROBUSTNESS AND RELATED FABRIC...
Publication number
20220384366
Publication date
Dec 1, 2022
Cree, Inc.
Kyoung-Keun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MULTILAYER ENCAPSULATION FOR HUMIDITY ROBUSTNESS AND HIGHLY ACCELER...
Publication number
20220384290
Publication date
Dec 1, 2022
Wolfspeed, Inc.
Kyoung-Keun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FIELD EFFECT TRANSISTOR WITH SELECTIVE MODIFIED ACCESS REGIONS
Publication number
20220376098
Publication date
Nov 24, 2022
Wolfspeed, Inc.
Kyoung-Keun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FIELD EFFECT TRANSISTORS WITH MODIFIED ACCESS REGIONS
Publication number
20220376106
Publication date
Nov 24, 2022
Wolfspeed, Inc.
Kyoung-Keun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS FOR PILLAR CONNECTION ON FRONTSIDE AND PASSIVE DEVICE INTEG...
Publication number
20220208758
Publication date
Jun 30, 2022
Wolfspeed, Inc.
Terry Alcorn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FIELD EFFECT TRANSISTOR WITH AT LEAST PARTIALLY RECESSED FIELD PLATE
Publication number
20220130966
Publication date
Apr 28, 2022
Wolfspeed, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FIELD EFFECT TRANSISTOR WITH ENHANCED RELIABILITY
Publication number
20220130985
Publication date
Apr 28, 2022
Cree, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor Device With Isolation And/Or Protection Structures
Publication number
20220102294
Publication date
Mar 31, 2022
Cree, Inc.
Lei Zhao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DIE-TO-DIE ISOLATION STRUCTURES FOR PACKAGED TRANSISTOR DEVICES
Publication number
20220037464
Publication date
Feb 3, 2022
Cree, Inc.
Lei Zhao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Integrated Doherty Amplifier with Added Isolation Between the Carri...
Publication number
20210399694
Publication date
Dec 23, 2021
Cree, Inc.
Lei Zhao
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHODS FOR PILLAR CONNECTION ON FRONTSIDE AND PASSIVE DEVICE INTEG...
Publication number
20210375856
Publication date
Dec 2, 2021
Cree, Inc.
Terry Alcorn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Group III-Nitride High-Electron Mobility Transistors Configured wit...
Publication number
20210359118
Publication date
Nov 18, 2021
Cree, Inc.
Fabian Radulescu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor Having a Backside Wafer Cavity for Radio Frequency (R...
Publication number
20210257320
Publication date
Aug 19, 2021
Cree, Inc.
Fabian Radulescu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH ELECTRON MOBILITY TRANSISTORS AND POWER AMPLIFIERS INCLUDING S...
Publication number
20210175351
Publication date
Jun 10, 2021
Cree, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH ELECTRON MOBILITY TRANSISTORS HAVING IMPROVED DRAIN CURRENT DR...
Publication number
20210134966
Publication date
May 6, 2021
Cree, Inc.
Kyoung-Keun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STEPPED FIELD PLATES WITH PROXIMITY TO CONDUCTION CHANNEL AND RELAT...
Publication number
20210111254
Publication date
Apr 15, 2021
Cree, Inc.
Evan Jones
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DIE WITH IMPROVED RUGGEDNESS
Publication number
20210043530
Publication date
Feb 11, 2021
Cree, Inc.
Chris Hardiman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PACKAGED ELECTRONIC CIRCUITS HAVING MOISTURE PROTECTION ENCAPSULATI...
Publication number
20210028127
Publication date
Jan 28, 2021
Cree, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH ELECTRON MOBILITY TRANSISTORS AND POWER AMPLIFIERS INCLUDING S...
Publication number
20200395475
Publication date
Dec 17, 2020
Cree, Inc.
Kyle Bothe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
HIGH ELECTRON MOBILITY TRANSISTORS HAVING IMPROVED CONTACT SPACING...
Publication number
20200395474
Publication date
Dec 17, 2020
Cree, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH ELECTRON MOBILITY TRANSISTORS HAVING IMPROVED DRAIN CURRENT DR...
Publication number
20200219987
Publication date
Jul 9, 2020
Cree, Inc.
Kyoung-Keun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PACKAGED ELECTRONIC CIRCUITS HAVING MOISTURE PROTECTION ENCAPSULATI...
Publication number
20190326230
Publication date
Oct 24, 2019
Cree, Inc.
Kyle Bothe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DIE WITH IMPROVED RUGGEDNESS
Publication number
20190259682
Publication date
Aug 22, 2019
Cree, Inc.
Chris Hardiman
H01 - BASIC ELECTRIC ELEMENTS