Sei-Hyung Ryu

Person

Farmington Hills, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
FinFET power semiconductor devices
- Patent number 12,176,423
- Issue date Dec 24, 2024
- Wolfspeed, Inc.
- Naeem Islam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sidewall dopant shielding methods and approaches for trenched semic...
- Patent number 12,094,926
- Issue date Sep 17, 2024
- Wolfspeed, Inc.
- Daniel J. Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical semiconductor device with improved ruggedness
- Patent number 12,087,854
- Issue date Sep 10, 2024
- Wolfspeed, Inc.
- Daniel Jenner Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power semiconductor devices including angled gate trenches
- Patent number 12,080,790
- Issue date Sep 3, 2024
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wide bandgap semiconductor device with sensor element
- Patent number 12,074,079
- Issue date Aug 27, 2024
- Wolfspeed, Inc.
- Joohyung Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Edge termination for power semiconductor devices and related fabric...
- Patent number 12,009,389
- Issue date Jun 11, 2024
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power transistor with soft recovery body diode
- Patent number 11,990,543
- Issue date May 21, 2024
- Wolfspeed, Inc.
- Kijeong Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical power devices fabricated using implanted methods
- Patent number 11,894,455
- Issue date Feb 6, 2024
- Wolfspeed, Inc.
- Daniel Jenner Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power silicon carbide based semiconductor devices with improved sho...
- Patent number 11,843,061
- Issue date Dec 12, 2023
- Wolfspeed, Inc.
- Kijeong Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate trench power semiconductor devices having improved deep shield...
- Patent number 11,837,657
- Issue date Dec 5, 2023
- Wolfspeed, Inc.
- Naeem Islam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate trench power semiconductor devices having improved deep shield...
- Patent number 11,769,828
- Issue date Sep 26, 2023
- Wolfspeed, Inc.
- Thomas E. Harrington
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power transistor with soft recovery body diode
- Patent number 11,769,827
- Issue date Sep 26, 2023
- Wolfspeed, Inc.
- Kijeong Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate trench power semiconductor devices having improved deep shield...
- Patent number 11,764,295
- Issue date Sep 19, 2023
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor devices having gate resistors with low variation in r...
- Patent number 11,664,436
- Issue date May 30, 2023
- Wolfspeed, Inc.
- Sei-Hyung Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor power devices having multiple gate trenches and metho...
- Patent number 11,664,434
- Issue date May 30, 2023
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power semiconductor devices including a trenched gate and methods o...
- Patent number 11,640,990
- Issue date May 2, 2023
- Wolfspeed, Inc.
- Daniel Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gate trench power semiconductor devices having improved deep shield...
- Patent number 11,610,991
- Issue date Mar 21, 2023
- Wolfspeed, Inc.
- Naeem Islam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical semiconductor device with improved ruggedness
- Patent number 11,489,069
- Issue date Nov 1, 2022
- Wolfspeed, Inc.
- Daniel Jenner Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Trench bottom shielding methods and approaches for trenched semicon...
- Patent number 11,355,630
- Issue date Jun 7, 2022
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with improved short circuit withstand time and...
- Patent number 11,309,413
- Issue date Apr 19, 2022
- Wolfspeed, Inc.
- Sei-Hyung Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power switching devices with high dV/dt capability and methods of m...
- Patent number 11,184,001
- Issue date Nov 23, 2021
- Cree, Inc.
- Qingchun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wide bandgap semiconductor device
- Patent number 11,075,295
- Issue date Jul 27, 2021
- Cree, Inc.
- Sei-Hyung Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hybrid power module
- Patent number 11,057,033
- Issue date Jul 6, 2021
- Cree, Inc.
- Edward Robert Van Brunt
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power module for supporting high current densities
- Patent number 11,024,731
- Issue date Jun 1, 2021
- Cree, Inc.
- Jason Patrick Henning
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power switching devices with DV/DT capability and methods of making...
- Patent number 10,601,413
- Issue date Mar 24, 2020
- Cree, Inc.
- Qingchun Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical FET structure
- Patent number 10,269,955
- Issue date Apr 23, 2019
- Cree, Inc.
- Sei-Hyung Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power module having a switch module for supporting high current den...
- Patent number 10,153,364
- Issue date Dec 11, 2018
- Cree, Inc.
- Jason Patrick Henning
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Forming SiC MOSFETs with high channel mobility by treating the oxid...
- Patent number 9,984,894
- Issue date May 29, 2018
- Cree, Inc.
- Sarit Dhar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Schottky diode
- Patent number 9,865,750
- Issue date Jan 9, 2018
- Cree, Inc.
- Jason Patrick Henning
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PECVD protective layers for semiconductor devices
- Patent number 9,761,439
- Issue date Sep 12, 2017
- Cree, Inc.
- Zoltan Ring
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
SIDEWALL DOPANT SHIELDING METHODS AND APPROACHES FOR TRENCHED SEMIC...
- Publication number 20240413197
- Publication date Dec 12, 2024
- Wolfspeed, Inc.
- Daniel J. Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SEMICONDUCTOR DEVICES INCLUDING ANGLED GATE TRENCHES
- Publication number 20240395927
- Publication date Nov 28, 2024
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MOSFETS WITH IMPLANTED CHARGE COMPENSATION REGIONS
- Publication number 20240387620
- Publication date Nov 21, 2024
- Wolfspeed, Inc.
- Kijeong Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIDE BANDGAP SEMICONDUCTOR DEVICE WITH SENSOR ELEMENT
- Publication number 20240379667
- Publication date Nov 14, 2024
- Wolfspeed, Inc.
- Joohyung Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EDGE TERMINATION FOR POWER SEMICONDUCTOR DEVICES AND RELATED FABRIC...
- Publication number 20240290832
- Publication date Aug 29, 2024
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER TRANSISTOR WITH SOFT RECOVERY BODY DIODE
- Publication number 20240266432
- Publication date Aug 8, 2024
- Wolfspeed, Inc.
- Kijeong Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BURIED SHIELD STRUCTURES FOR POWER SEMICONDUCTOR DEVICES INCLUDING...
- Publication number 20240234567
- Publication date Jul 11, 2024
- Wolfspeed, Inc.
- Madankumar Sampath
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BURIED SHIELD STRUCTURES FOR POWER SEMICONDUCTOR DEVICES AND RELATE...
- Publication number 20240234507
- Publication date Jul 11, 2024
- Wolfspeed, Inc.
- Madankumar Sampath
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING SELF-ALIGNED TRENCH...
- Publication number 20240234495
- Publication date Jul 11, 2024
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL POWER DEVICES FABRICATED USING IMPLANTED METHODS
- Publication number 20240178314
- Publication date May 30, 2024
- Wolfspeed, Inc.
- Daniel Jenner Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING IMPROVED BREAKDOWN P...
- Publication number 20230420527
- Publication date Dec 28, 2023
- Wolfspeed, Inc.
- Madankumar Sampath
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHODS OF FORMING OHMIC CONTACTS ON SEMICONDUCTOR DEVICES WITH TRE...
- Publication number 20230420536
- Publication date Dec 28, 2023
- Wolfspeed, Inc.
- Madankumar Sampath
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING TRENCH SHIELDING PAT...
- Publication number 20230411446
- Publication date Dec 21, 2023
- Wolfspeed, Inc.
- Madankumar Sampath
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL POWER DEVICES HAVING MESAS AND ETCHED TRENCHES THEREBETWEEN
- Publication number 20230369445
- Publication date Nov 16, 2023
- Wolfspeed, Inc.
- Daniel Jenner Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING IMPROVED DEEP SHIELD...
- Publication number 20230369486
- Publication date Nov 16, 2023
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DYNAMIC PERFORMANCE OF ON-CHIP CURRENT SENSORS
- Publication number 20230361212
- Publication date Nov 9, 2023
- Wolfspeed, Inc.
- Madankumar Sampath
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUPPORT SHIELD STRUCTURES FOR TRENCHED SEMICONDUCTOR DEVICES
- Publication number 20230307529
- Publication date Sep 28, 2023
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICES HAVING GATE RESISTORS WITH LOW VARIATION IN R...
- Publication number 20230268407
- Publication date Aug 24, 2023
- Wolfspeed, Inc.
- Sei-Hyung Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR POWER DEVICES HAVING MULTIPLE GATE TRENCHES AND METHO...
- Publication number 20230261073
- Publication date Aug 17, 2023
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SEMICONDUCTOR DEVICES INCLUDING A TRENCHED GATE AND METHODS O...
- Publication number 20230231047
- Publication date Jul 20, 2023
- Wolfspeed, Inc.
- Daniel Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING IMPROVED DEEP SHIELD...
- Publication number 20230207686
- Publication date Jun 29, 2023
- Wolfspeed, Inc.
- Naeem Islam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EDGE TERMINATION FOR POWER SEMICONDUCTOR DEVICES AND RELATED FABRIC...
- Publication number 20230170383
- Publication date Jun 1, 2023
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL POWER DEVICES FABRICATED USING IMPLANTED METHODS
- Publication number 20230087937
- Publication date Mar 23, 2023
- Wolfspeed, Inc.
- Daniel Jenner Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICES HAVING ASYMMETRIC INTEGRATED LUMPED GATE RESI...
- Publication number 20230023195
- Publication date Jan 26, 2023
- Wolfspeed, Inc.
- Enes Ugur
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL SEMICONDUCTOR DEVICE WITH IMPROVED RUGGEDNESS
- Publication number 20220416075
- Publication date Dec 29, 2022
- Wolfspeed, Inc.
- Daniel Jenner Lichtenwalner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRENCH BOTTOM SHIELDING METHODS AND APPROACHES FOR TRENCHED SEMICON...
- Publication number 20220293787
- Publication date Sep 15, 2022
- Wolfspeed, Inc.
- Woongsun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICES HAVING GATE RESISTORS WITH LOW VARIATION IN R...
- Publication number 20220278212
- Publication date Sep 1, 2022
- Cree, Inc.
- Sei-Hyung Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER TRANSISTOR WITH SOFT RECOVERY BODY DIODE
- Publication number 20220173238
- Publication date Jun 2, 2022
- Cree, Inc.
- Kijeong Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FINFET POWER SEMICONDUCTOR DEVICES
- Publication number 20220173227
- Publication date Jun 2, 2022
- Cree, Inc.
- Naeem Islam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER TRANSISTOR WITH SOFT RECOVERY BODY DIODE
- Publication number 20220173237
- Publication date Jun 2, 2022
- Cree, Inc.
- Kijeong Han
- H01 - BASIC ELECTRIC ELEMENTS

Sei-Hyung Ryu

Person

Patents Grantslast 30 patents

FinFET power semiconductor devices

Sidewall dopant shielding methods and approaches for trenched semic...

Vertical semiconductor device with improved ruggedness

Power semiconductor devices including angled gate trenches

Wide bandgap semiconductor device with sensor element

Edge termination for power semiconductor devices and related fabric...

Power transistor with soft recovery body diode

Vertical power devices fabricated using implanted methods

Power silicon carbide based semiconductor devices with improved sho...

Gate trench power semiconductor devices having improved deep shield...

Gate trench power semiconductor devices having improved deep shield...

Power transistor with soft recovery body diode

Gate trench power semiconductor devices having improved deep shield...

Semiconductor devices having gate resistors with low variation in r...

Semiconductor power devices having multiple gate trenches and metho...

Power semiconductor devices including a trenched gate and methods o...

Gate trench power semiconductor devices having improved deep shield...

Vertical semiconductor device with improved ruggedness

Trench bottom shielding methods and approaches for trenched semicon...

Semiconductor device with improved short circuit withstand time and...

Power switching devices with high dV/dt capability and methods of m...

Wide bandgap semiconductor device

Hybrid power module

Power module for supporting high current densities

Power switching devices with DV/DT capability and methods of making...

Vertical FET structure

Power module having a switch module for supporting high current den...

Forming SiC MOSFETs with high channel mobility by treating the oxid...

Schottky diode

PECVD protective layers for semiconductor devices

Patents Applicationslast 30 patents

SIDEWALL DOPANT SHIELDING METHODS AND APPROACHES FOR TRENCHED SEMIC...

POWER SEMICONDUCTOR DEVICES INCLUDING ANGLED GATE TRENCHES

MOSFETS WITH IMPLANTED CHARGE COMPENSATION REGIONS

WIDE BANDGAP SEMICONDUCTOR DEVICE WITH SENSOR ELEMENT

EDGE TERMINATION FOR POWER SEMICONDUCTOR DEVICES AND RELATED FABRIC...

POWER TRANSISTOR WITH SOFT RECOVERY BODY DIODE

BURIED SHIELD STRUCTURES FOR POWER SEMICONDUCTOR DEVICES INCLUDING...

BURIED SHIELD STRUCTURES FOR POWER SEMICONDUCTOR DEVICES AND RELATE...

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING SELF-ALIGNED TRENCH...

VERTICAL POWER DEVICES FABRICATED USING IMPLANTED METHODS

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING IMPROVED BREAKDOWN P...

METHODS OF FORMING OHMIC CONTACTS ON SEMICONDUCTOR DEVICES WITH TRE...

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING TRENCH SHIELDING PAT...

VERTICAL POWER DEVICES HAVING MESAS AND ETCHED TRENCHES THEREBETWEEN

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING IMPROVED DEEP SHIELD...

DYNAMIC PERFORMANCE OF ON-CHIP CURRENT SENSORS

SUPPORT SHIELD STRUCTURES FOR TRENCHED SEMICONDUCTOR DEVICES

SEMICONDUCTOR DEVICES HAVING GATE RESISTORS WITH LOW VARIATION IN R...

SEMICONDUCTOR POWER DEVICES HAVING MULTIPLE GATE TRENCHES AND METHO...

POWER SEMICONDUCTOR DEVICES INCLUDING A TRENCHED GATE AND METHODS O...

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING IMPROVED DEEP SHIELD...

EDGE TERMINATION FOR POWER SEMICONDUCTOR DEVICES AND RELATED FABRIC...

VERTICAL POWER DEVICES FABRICATED USING IMPLANTED METHODS

SEMICONDUCTOR DEVICES HAVING ASYMMETRIC INTEGRATED LUMPED GATE RESI...

VERTICAL SEMICONDUCTOR DEVICE WITH IMPROVED RUGGEDNESS

TRENCH BOTTOM SHIELDING METHODS AND APPROACHES FOR TRENCHED SEMICON...

SEMICONDUCTOR DEVICES HAVING GATE RESISTORS WITH LOW VARIATION IN R...

POWER TRANSISTOR WITH SOFT RECOVERY BODY DIODE

FINFET POWER SEMICONDUCTOR DEVICES

POWER TRANSISTOR WITH SOFT RECOVERY BODY DIODE