Inventor profile of:

Sei-Hyung Ryu

City:

Cary, North Carolina

Country:

United States

Published Applications:

148

Last publication date:

2026-06-04

Top Assignees for applications by Sei-Hyung Ryu

The entities that hold a legal rights for patent applications filed by inventor Ryu Sei-Hyung:

Recent patent applications by Ryu Sei-Hyung

Sei-Hyung Ryu from Cary, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2026-06-04
US20260156887A1
Electricity

Silicon Carbide Based Structures and Devices with Heterodoped Layer(s)

#2 | 2026-06-04
US20260156885A1
Electricity

Silicon Carbide Based Structures and Devices with Heterodoped Layer(s)

#3 | 2026-04-16
US20260107535A1
Electricity

METHODS OF FORMING OHMIC CONTACTS ON SEMICONDUCTOR DEVICES WITH TRENCH/MESA STRUCTURES

#4 | 2026-04-16
US20260107522A1
Electricity

POWER SEMICONDUCTOR DEVICES HAVING ORTHOGONAL GATE ELECTRODES AND OHMIC LINES FOR IMPROVED ON-STATE RESISTANCE PERFORMANCE

#5 | 2026-04-16
US20260107501A1
Electricity

POWER SEMICONDUCTOR DEVICES HAVING ORTHOGONAL GATE ELECTRODES AND OHMIC LINES FOR IMPROVED ON-STATE RESISTANCE PERFORMANCE

#6 | 2026-04-09
US20260101553A1
Electricity

SEMICONDUCTOR DEVICES WITH LENGTH-GRADED CHANNEL

#7 | 2026-03-12
US20260075904A1
Electricity

POWER SEMICONDUCTOR DEVICES INCLUDING DEEP SHIELDING REGIONS

#8 | 2026-03-12
US20260075901A1
Electricity

SEMICONDUCTOR DEVICES WITH DRAIN-SOURCE CONNECTION FOR AVALANCHE BREAKDOWN

#9 | 2026-02-26
US20260059812A1
Electricity

TRENCH BASED SEMICONDUCTOR DEVICES WITH EPITAXIALLY REGROWN LAYERS

#10 | 2026-02-19
US20260052738A1
Electricity

POWER SEMICONDUCTOR DEVICES AND METHODS OF FORMING THE SAME

#11 | 2026-02-05
US20260040613A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING DEEP CHANNEL REGIONS AND RELATED METHODS OF FABRICATING SAME

#12 | 2026-01-29
US20260032973A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING SHALLOW TRENCH SHIELDS AND DEEP SUPPORT SHIELDS

#13 | 2026-01-29
US20260032951A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING SHALLOW TRENCH SHIELDS AND DEEP SUPPORT SHIELDS

#14 | 2025-12-11
US20250380467A1
Electricity

TRENCH BASED SEMICONDUCTOR DEVICES WITH HETEROJUNCTION GATE

#15 | 2025-11-20
US20250359274A1
Electricity

SEMICONDUCTOR DEVICES WITH GATE BUS LAYOUTS FOR HANDLING UNCLAMPED INDUCTIVE SWITCHING CURRENT

#16 | 2025-10-30
US20250338571A1
Electricity

TRENCH GATE WIDE BANDGAP JUNCTION FIELD EFFECT TRANSISTORS WITH TERMINATION REGIONS HAVING PLANAR UPPER SURFACES

#17 | 2025-10-16
US20250324679A1
Electricity

VERTICAL JFET SEMICONDUCTOR DEVICES WITH LOCALIZED AVALANCHE BREAKDOWN

#18 | 2025-10-02
US20250311318A1
Electricity

POWER SILICON CARBIDE BASED SEMICONDUCTOR DEVICES HAVING SUPER JUNCTION DRIFT REGIONS AND METHODS OF FORMING SUCH DEVICES

#19 | 2025-09-25
US20250301699A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING TRENCH SHIELDING REGIONS AND METHODS OF FORMING THE SAME

#20 | 2025-08-07
US20250254909A1
Electricity

POWER SEMICONDUCTOR DEVICES INCLUDING INTEGRATED POLYSILICON DEVICES

#21 | 2025-07-24
US20250241040A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING DEEP TRENCH SHIELD CONNECTION PATTERNS

#22 | 2025-05-22
US20250169166A1
Electricity

ENHANCED ISOLATION FOR ON-CHIP CURRENT SENSORS

#23 | 2025-05-22
US20250169128A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES WITH DEEP JFET PATTERNS

#24 | 2025-05-22
US20250169105A1
Electricity

MASK INTEGRATION FOR TRENCHED SEMICONDUCTOR DEVICE STRUCTURES

#25 | 2025-05-15
US20250159948A1
Electricity

SPLIT SUPPORT SHIELD STRUCTURES FOR TRENCHED SEMICONDUCTOR DEVICES WITH INTEGRATED SCHOTTKY DIODES

#26 | 2025-05-01
US20250142877A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING TRENCH SHIELDING REGIONS AND SUPPORT SHIELDS THAT EXTEND TO DIFFERENT DEPTHS

#27 | 2025-05-01
US20250142868A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING CHANNELS WITH HORIZONTAL AND VERTICAL SEGMENTS

#28 | 2025-04-10
US20250120133A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING DEEP SUPPORT SHIELDS AND METHODS OF FABRICATING SUCH DEVICE

#29 | 2025-04-10
US20250120119A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING SHAPED DEEP SUPPORT SHIELDS THAT REDUCE CELL PITCH AND ON-STATE RESISTANCE

#30 | 2025-03-27
US20250107124A1
Electricity

Power Semiconductor Device Having Shaped Trench Ends

#31 | 2025-03-13
US20250089316A1
Electricity

Power Semiconductor Device with Balancing Shunt Structure

#32 | 2025-02-27
US20250072044A1
Electricity

POWER SEMICONDUCTOR DEVICES HAVING GATE TRENCHES WITH ASYMMETRICALLY ROUNDED UPPER AND LOWER TRENCH CORNERS AND/OR RECESSED GATE ELECTRODES AND METHODS OF FABRICATING SUCH DEVICES

#33 | 2024-12-12
US20240413197A1
Electricity

SIDEWALL DOPANT SHIELDING METHODS AND APPROACHES FOR TRENCHED SEMICONDUCTOR DEVICE STRUCTURES

#34 | 2024-11-28
US20240395927A1
Electricity

POWER SEMICONDUCTOR DEVICES INCLUDING ANGLED GATE TRENCHES

#35 | 2024-11-21
US20240387620A1
Electricity

MOSFETS WITH IMPLANTED CHARGE COMPENSATION REGIONS

#36 | 2024-11-14
US20240379667A1
Electricity

WIDE BANDGAP SEMICONDUCTOR DEVICE WITH SENSOR ELEMENT

#37 | 2024-08-29
US20240290832A1
Electricity

EDGE TERMINATION FOR POWER SEMICONDUCTOR DEVICES AND RELATED FABRICATION METHODS

#38 | 2024-08-08
US20240266432A1
Electricity

POWER TRANSISTOR WITH SOFT RECOVERY BODY DIODE

#39 | 2024-07-11
US20240234567A1
Electricity

BURIED SHIELD STRUCTURES FOR POWER SEMICONDUCTOR DEVICES INCLUDING SEGMENTED SUPPORT SHIELD STRUCTURES FOR REDUCED ON-RESISTANCE AND RELATED FABRICATION METHODS

#40 | 2024-07-11
US20240234507A1
Electricity

BURIED SHIELD STRUCTURES FOR POWER SEMICONDUCTOR DEVICES AND RELATED FABRICATION METHODS

#41 | 2024-07-11
US20240234495A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING SELF-ALIGNED TRENCH SHIELDING REGIONS AND RELATED METHODS

#42 | 2024-05-30
US20240178314A1
Electricity

Vertical power devices fabricated using implanted methods

#43 | 2023-12-28
US20230420536A1
Electricity

METHODS OF FORMING OHMIC CONTACTS ON SEMICONDUCTOR DEVICES WITH TRENCH/MESA STRUCTURES

#44 | 2023-12-28
US20230420527A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING IMPROVED BREAKDOWN PERFORMANCE AND METHODS OF FORMING SUCH DEVICES

#45 | 2023-12-21
US20230411446A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING TRENCH SHIELDING PATTERNS FORMED DURING THE WELL IMPLANT AND RELATED METHODS

#46 | 2023-11-16
US20230369486A1
Electricity

GATE TRENCH POWER SEMICONDUCTOR DEVICES HAVING IMPROVED DEEP SHIELD CONNECTION PATTERNS

#47 | 2023-11-16
US20230369445A1
Electricity

VERTICAL POWER DEVICES HAVING MESAS AND ETCHED TRENCHES THEREBETWEEN

#48 | 2023-11-09
US20230361212A1
Electricity

DYNAMIC PERFORMANCE OF ON-CHIP CURRENT SENSORS

#49 | 2023-09-28
US20230307529A1
Electricity

SUPPORT SHIELD STRUCTURES FOR TRENCHED SEMICONDUCTOR DEVICES

#50 | 2023-08-24
US20230268407A1
Electricity

SEMICONDUCTOR DEVICES HAVING GATE RESISTORS WITH LOW VARIATION IN RESISTANCE VALUES

#51 | 2023-08-17
US20230261073A1
Electricity

SEMICONDUCTOR POWER DEVICES HAVING MULTIPLE GATE TRENCHES AND METHODS OF FORMING SUCH DEVICES

#52 | 2023-07-20
US20230231047A1
Electricity

Power semiconductor devices including a trenched gate and methods of forming such devices

#53 | 2023-06-29
US20230207686A1
Electricity

Gate trench power semiconductor devices having improved deep shield connection patterns

#54 | 2023-06-01
US20230170383A1
Electricity

Edge termination for power semiconductor devices and related fabrication methods

#55 | 2023-03-23
US20230087937A1
Electricity

Vertical power devices fabricated using implanted methods

#56 | 2023-01-26
US20230023195A1
Electricity

SEMICONDUCTOR DEVICES HAVING ASYMMETRIC INTEGRATED LUMPED GATE RESISTORS FOR BALANCED TURN-ON/TURN-OFF BEHAVIOR AND/OR MULTIPLE SPACED-APART LUMPED GATE RESISTORS FOR IMPROVED POWER HANDLING

#57 | 2022-12-29
US20220416075A1
Electricity

Vertical semiconductor device with improved ruggedness

#58 | 2022-09-15
US20220293787A1
Electricity

Trench bottom shielding methods and approaches for trenched semiconductor device structures

#59 | 2022-09-01
US20220278212A1
Electricity

Semiconductor devices having gate resistors with low variation in resistance values

#60 | 2022-06-02
US20220173238A1
Electricity

Power transistor with soft recovery body diode

#61 | 2022-06-02
US20220173237A1
Electricity

Power transistor with soft recovery body diode

#62 | 2022-06-02
US20220173227A1
Electricity

FinFET power semiconductor devices

#63 | 2022-05-19
US20220157959A1
Electricity

Semiconductor power devices having multiple gate trenches and methods of forming such devices

#64 | 2022-05-12
US20220149196A1
Electricity

Gate trench power semiconductor devices having improved deep shield connection patterns

#65 | 2022-05-12
US20220149165A1
Electricity

SEMICONDUCTOR DEVICES INCLUDING AN OFFSET METAL TO POLYSILICON GATE CONTACT

#66 | 2022-05-05
US20220140138A1
Electricity

Protection structures for semiconductor devices with sensor arrangements

#67 | 2022-05-05
US20220140132A1
Electricity

PASSIVATION STRUCTURES FOR SEMICONDUCTOR DEVICES

#68 | 2022-04-28
US20220130998A1
Electricity

Power semiconductor devices including angled gate trenches

#69 | 2022-04-28
US20220130997A1
Electricity

Gate trench power semiconductor devices having improved deep shield connection patterns

#70 | 2022-04-28
US20220130996A1
Electricity

Gate trench power semiconductor devices having improved deep shield connection patterns

#71 | 2022-04-28
US20220130995A1
Electricity

Power semiconductor devices including a trenched gate and methods of forming such devices

#72 | 2022-03-17
US20220085205A1
Electricity

Trench bottom shielding methods and approaches for trenched semiconductor device structures

#73 | 2022-03-03
US20220069138A1
Electricity

Power silicon carbide based semiconductor devices with improved short circuit capabilities and methods of making such devices

#74 | 2022-02-17
US20220052152A1
Electricity

Sidewall dopant shielding methods and approaches for trenched semiconductor device structures

#75 | 2021-09-02
US20210273090A1
Electricity

SEMICONDUCTOR DIE WITH IMPROVED EDGE TERMINATION

#76 | 2021-07-01
US20210202341A1
Electricity

Wide bandgap semiconductor device with sensor element

#77 | 2021-04-15
US20210111279A1
Electricity

Semiconductor device with improved short circuit withstand time and methods for manufacturing the same

#78 | 2020-12-31
US20200412359A1
Electricity

Hybrid power module

#79 | 2020-11-19
US20200365721A1
Electricity

Vertical semiconductor device with improved ruggedness

#80 | 2020-07-02
US20200212908A1
Electricity

Power switching devices with high dV/dt capability and methods of making such devices

#81 | 2020-01-16
US20200020793A1
Electricity

Wide bandgap semiconductor device

#82 | 2019-03-14
US20190081624A1
Electricity

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

#83 | 2019-02-28
US20190067468A1
Electricity

Power module for supporting high current densities

#84 | 2018-07-19
US20180204945A1
Electricity

Vertical FET structure

#85 | 2017-09-14
US20170263713A1
Electricity

Power module having a switch module for supporting high current densities

#86 | 2016-06-16
US20160172315A1
Electricity

PECVD protective layers for semiconductor devices

#87 | 2015-12-17
US20150364584A1
Electricity

IGBT with bidirectional conduction

#88 | 2015-11-19
US20150333191A1
Electricity

Schottky diode

#89 | 2015-11-12
US20150325655A1
Electricity

Transistors with a gate insulation layer having a channel depleting interfacial charge

#90 | 2015-10-08
US20150287805A1
Electricity

High power insulated gate bipolar transistors

#91 | 2015-03-12
US20150069417A1
Electricity

Monolithic bidirectional silicon carbide switching devices

#92 | 2014-12-25
US20140374773A1
Electricity

Vertical power transistor with built-in gate buffer

#93 | 2014-10-30
US20140319646A1
Electricity

Junction termination structures including guard ring extensions and methods of fabricating electronic devices incorporating same

#94 | 2014-05-29
US20140145213A1
Electricity

Schottky diode

#95 | 2014-03-20
US20140077228A1
Electricity

JUNCTION BARRIER SCHOTTKY DIODES WITH CURRENT SURGE CAPABILITY

#96 | 2014-01-30
US20140027781A1
Electricity

Monolithic bidirectional silicon carbide switching devices

#97 | 2013-09-19
US20130240908A1
Electricity

Bidirectional silicon carbide transient voltage supression devices

#98 | 2013-08-15
US20130207123A1
Electricity

Power module for supporting high current densities

#99 | 2013-06-13
US20130146894A1
Electricity

Bipolar junction transistor structure for reduced current crowding

#100 | 2013-03-14
US20130062723A1
Electricity

Schottky diode

InventorID:

79040 ⎘