KEY FOUNDRY CO., LTD

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CHEONGJU-SI, KR

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device with junction FET transistors having multi pin...
- Patent number 11,923,368
- Issue date Mar 5, 2024
- KEY FOUNDRY CO., LTD.
- Ji Man Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Negative voltage switching device and non-volatile memory device us...
- Patent number 11,915,767
- Issue date Feb 27, 2024
- KEY FOUNDRY CO., LTD.
- Jin Hyung Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Split gate power MOSFET and split gate power MOSFET manufacturing m...
- Patent number 11,862,695
- Issue date Jan 2, 2024
- KEY FOUNDRY CO., LTD.
- Hyunkwang Shin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method for deep trench capacitor with scalloped profile
- Patent number 11,854,817
- Issue date Dec 26, 2023
- KEY FOUNDRY CO., LTD.
- Seung Mo Jo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with single poly non-volatile memory device an...
- Patent number 11,856,769
- Issue date Dec 26, 2023
- KEY FOUNDRY CO., LTD.
- Su Jin Kim
Information Patent Grant
Electrical fuse one time programmable (OTP) memory
- Patent number 11,854,622
- Issue date Dec 26, 2023
- KEY FOUNDRY CO., LTD.
- Seong Jun Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-volatile memory device including sense amplifier and method for...
- Patent number 11,848,061
- Issue date Dec 19, 2023
- KEY FOUNDRY CO., LTD.
- Seong Jun Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Single poly non-volatile memory device and manufacturing method the...
- Patent number 11,825,650
- Issue date Nov 21, 2023
- KEY FOUNDRY CO., LTD.
- Su Jin Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Analog-to-digital converter and operation method thereof
- Patent number 11,799,493
- Issue date Oct 24, 2023
- KEY FOUNDRY CO., LTD.
- Hun-Bae Choi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High voltage semiconductor device and manufacturing method of high...
- Patent number 11,791,409
- Issue date Oct 17, 2023
- KEY FOUNDRY CO., LTD.
- Jin Seong Chung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with controllable channel length and manufactu...
- Patent number 11,764,216
- Issue date Sep 19, 2023
- KEY FOUNDRY CO., LTD.
- Hyun Kwang Shin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with non-volatile memory cell and manufacturin...
- Patent number 11,757,011
- Issue date Sep 12, 2023
- KEY FOUNDRY CO., LTD.
- Min Kuck Cho
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with increased isolation breakdown voltage
- Patent number 11,756,992
- Issue date Sep 12, 2023
- KEY FOUNDRY CO., LTD.
- Yon Sup Pang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile memory device
- Patent number 11,696,440
- Issue date Jul 4, 2023
- KEY FOUNDRY CO., LTD.
- Min Kuck Cho
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device with controllable channel length and manufactu...
- Patent number 11,688,795
- Issue date Jun 27, 2023
- KEY FOUNDRY CO., LTD.
- Hyun Kwang Shin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device including nonvolatile memory device and logic...
- Patent number 11,665,896
- Issue date May 30, 2023
- KEY FOUNDRY CO., LTD.
- Kwang Il Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor and method of fabricating the same
- Patent number 11,631,616
- Issue date Apr 18, 2023
- KEY FOUNDRY CO., LTD.
- Young Bae Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having deep trench structure and method of man...
- Patent number 11,615,989
- Issue date Mar 28, 2023
- KEY FOUNDRY CO., LTD.
- Yang Beom Kang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage semiconductor device and manufacturing method of high...
- Patent number 11,581,434
- Issue date Feb 14, 2023
- KEY FOUNDRY CO., LTD.
- Jin Seong Chung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having a diode type electrical fuse (e-fuse) c...
- Patent number 11,538,541
- Issue date Dec 27, 2022
- KEY FOUNDRY CO., LTD.
- Jong Min Cho
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device having vertical DMOS and manufacturing method...
- Patent number 11,532,741
- Issue date Dec 20, 2022
- KEY FOUNDRY CO., LTD.
- Hyun Kwang Shin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage semiconductor device having bootstrap diode
- Patent number 11,469,320
- Issue date Oct 11, 2022
- KEY FOUNDRY CO., LTD.
- Young Bae Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of semiconductor device using gate-through imp...
- Patent number 11,373,872
- Issue date Jun 28, 2022
- KEY FOUNDRY CO., LTD.
- Hee Hwan Ji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having deep trench structure and method of man...
- Patent number 11,367,661
- Issue date Jun 21, 2022
- KEY FOUNDRY CO., LTD.
- Yang Beom Kang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with controllable channel length and manufactu...
- Patent number 11,362,197
- Issue date Jun 14, 2022
- KEY FOUNDRY CO., LTD.
- Hyun Kwang Shin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile memory device
- Patent number 11,348,931
- Issue date May 31, 2022
- KEY FOUNDRY CO., LTD.
- Min Kuck Cho
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device having a diode type electrical fuse (e-fuse) c...
- Patent number 11,328,783
- Issue date May 10, 2022
- KEY FOUNDRY CO., LTD.
- Jong Min Cho
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with controllable channel length and manufactu...
- Patent number 11,322,492
- Issue date May 3, 2022
- KEY FOUNDRY CO., LTD.
- Hyun Kwang Shin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device including nonvolatile memory device and logic...
- Patent number 11,289,498
- Issue date Mar 29, 2022
- KEY FOUNDRY CO., LTD.
- Kwang Il Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic fuse cell array structure
- Patent number 11,145,379
- Issue date Oct 12, 2021
- KEY FOUNDRY CO., LTD.
- Jong Min Cho
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE WITH JUNCTION FET TRANSISTOR HAVING MULTI PINC...
- Publication number 20240243132
- Publication date Jul 18, 2024
- KEY FOUNDRY CO., LTD.
- Ji Man KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE HAVING HIGH BREAKDOWN VOLTAGE CAPACITOR
- Publication number 20240234296
- Publication date Jul 11, 2024
- KEY FOUNDRY CO., LTD.
- Jong Yeul JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20240234522
- Publication date Jul 11, 2024
- KEY FOUNDRY CO., LTD.
- Hyunkwang SHIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BIDIRECTIONAL I/O CIRCUIT AND INTEGRATED CIRCUIT INCLUDING BIDIRECT...
- Publication number 20240178839
- Publication date May 30, 2024
- KEY FOUNDRY CO., LTD.
- Wanchul KONG
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Non-Volatile Semiconductor Memory Device and Method of Manufacturin...
- Publication number 20240170547
- Publication date May 23, 2024
- KEY FOUNDRY CO., LTD.
- Minkuck CHO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MANUFACTURING METHOD OF A SEMICONDUCTOR DEVICE HAVING HIGH-VOLTAGE...
- Publication number 20240162282
- Publication date May 16, 2024
- KEY FOUNDRY CO., LTD.
- Jong Yeul JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE HAVING HIGH BREAKDOWN VOLTAGE CAPACITOR
- Publication number 20240136276
- Publication date Apr 25, 2024
- KEY FOUNDRY CO., LTD.
- Jong Yeul JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD HAVING DEEP TRENCH ISOLATION
- Publication number 20240112948
- Publication date Apr 4, 2024
- KEY FOUNDRY CO., LTD.
- Kwang Il KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH VOLTAGE SEMICONDUCTOR DEVICE HAVING SCHOTTKY BARRIER DIODE
- Publication number 20240105838
- Publication date Mar 28, 2024
- KEY FOUNDRY CO., LTD.
- Tae Hoon LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPLIT GATE POWER MOSFET AND SPLIT GATE POWER MOSFET MANUFACTURING M...
- Publication number 20240088247
- Publication date Mar 14, 2024
- KEY FOUNDRY CO., LTD.
- Hyunkwang SHIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANALOG TO DIGITAL CONVERTER AND OPERATION METHOD THEREOF
- Publication number 20240080036
- Publication date Mar 7, 2024
- KEY FOUNDRY CO., LTD.
- Hunbae CHOI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
NON-VOLATILE MEMORY DEVICE INCLUDING SENSE AMPLIFIER AND METHOD FOR...
- Publication number 20240071540
- Publication date Feb 29, 2024
- KEY FOUNDRY CO., LTD.
- Seong Jun PARK
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD...
- Publication number 20240063111
- Publication date Feb 22, 2024
- KEY FOUNDRY CO., LTD.
- Jong Yeul JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE HAVING HIGH-VOLTAGE ISOLATION CAPACITOR
- Publication number 20240063112
- Publication date Feb 22, 2024
- KEY FOUNDRY CO., LTD.
- Jong Yeul JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICAL FUSE ONE TIME PROGRAMMABLE (OTP) MEMORY
- Publication number 20240046992
- Publication date Feb 8, 2024
- KEY FOUNDRY CO., LTD.
- Seong Jun PARK
- G11 - INFORMATION STORAGE
Information Patent Application
SINGLE POLY NON-VOLATILE MEMORY DEVICE AND MANUFACTURING METHOD THE...
- Publication number 20240049463
- Publication date Feb 8, 2024
- KEY FOUNDRY CO., LTD.
- Su Jin KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH VOLTAGE SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF HIGH...
- Publication number 20230411519
- Publication date Dec 21, 2023
- KEY FOUNDRY CO., LTD.
- Jin Seong CHUNG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-VOLATILE MEMORY DEVICE HAVING A FUSE TYPE MEMORY CELL ARRAY
- Publication number 20230402116
- Publication date Dec 14, 2023
- KEY FOUNDRY CO., LTD.
- Seongjun PARK
- G11 - INFORMATION STORAGE
Information Patent Application
ANALOG-TO-DIGITAL CONVERTER AND OPERATION METHOD THEREOF
- Publication number 20230396267
- Publication date Dec 7, 2023
- KEY FOUNDRY CO., LTD.
- Hun-Bae CHOI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BIPOLAR-CMOS-DMOS SEMICONDUCTOR DEVICE HAVING A DEEP TRENCH ISOLATI...
- Publication number 20230387104
- Publication date Nov 30, 2023
- KEY FOUNDRY CO., LTD.
- Yon Sup PANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE WITH NON-VOLATILE MEMORY CELL AND MANUFACTURIN...
- Publication number 20230378284
- Publication date Nov 23, 2023
- KEY FOUNDRY CO., LTD.
- Min Kuck CHO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE WITH CONTROLLABLE CHANNEL LENGTH AND MANUFACTU...
- Publication number 20230378172
- Publication date Nov 23, 2023
- KEY FOUNDRY CO., LTD.
- Hyun Kwang SHIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE WITH INCREASED ISOLATION BREAKDOWN VOLTAGE
- Publication number 20230369391
- Publication date Nov 16, 2023
- KEY FOUNDRY CO., LTD.
- Yon Sup PANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE WITH DEEP TRENCH ISOLATION
- Publication number 20230317777
- Publication date Oct 5, 2023
- KEY FOUNDRY CO., LTD.
- Kwang Il KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
eFUSE OTP MEMORY DEVICE INCLUDING SERIAL INTERFACE LOGIC AND OPERAT...
- Publication number 20230307075
- Publication date Sep 28, 2023
- KEY FOUNDRY CO., LTD.
- Wan-Chul KONG
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE INCLUDING NONVOLATILE MEMORY DEVICE AND LOGIC...
- Publication number 20230247830
- Publication date Aug 3, 2023
- KEY FOUNDRY CO., LTD.
- Kwang Il KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-VOLATILE MEMORY DEVICE INCLUDING SENSE AMPLIFIER AND METHOD FOR...
- Publication number 20230238069
- Publication date Jul 27, 2023
- KEY FOUNDRY CO., LTD.
- Seong Jun PARK
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE HAVING DEEP TRENCH STRUCTURE AND METHOD OF MAN...
- Publication number 20230207394
- Publication date Jun 29, 2023
- KEY FOUNDRY CO., LTD.
- Yang Beom KANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH VOLTAGE SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF HIGH...
- Publication number 20230145810
- Publication date May 11, 2023
- KEY FOUNDRY CO., LTD.
- Jin Seong CHUNG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE WITH BOOTSTRAP DIODE
- Publication number 20230126337
- Publication date Apr 27, 2023
- KEY FOUNDRY CO., LTD.
- Youngbae KIM
- H01 - BASIC ELECTRIC ELEMENTS

Trademarklast 30 trademarks

Information Trademark
97171027 - GCELL
- Serial number 97171027
- Filing date Dec 14, 2021
- Key Foundry Co., Ltd.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
90278119 - K' KEY FOUNDRY
- Serial number 90278119
- Registration number 6897904
- Filing date Oct 26, 2020
- Key Foundry Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

KEY FOUNDRY CO., LTD

Organization

Patents Grantslast 30 patents

Semiconductor device with junction FET transistors having multi pin...

Negative voltage switching device and non-volatile memory device us...

Split gate power MOSFET and split gate power MOSFET manufacturing m...

Manufacturing method for deep trench capacitor with scalloped profile

Semiconductor device with single poly non-volatile memory device an...

Electrical fuse one time programmable (OTP) memory

Non-volatile memory device including sense amplifier and method for...

Single poly non-volatile memory device and manufacturing method the...

Analog-to-digital converter and operation method thereof

High voltage semiconductor device and manufacturing method of high...

Semiconductor device with controllable channel length and manufactu...

Semiconductor device with non-volatile memory cell and manufacturin...

Semiconductor device with increased isolation breakdown voltage

Nonvolatile memory device

Semiconductor device with controllable channel length and manufactu...

Semiconductor device including nonvolatile memory device and logic...

Semiconductor and method of fabricating the same

Semiconductor device having deep trench structure and method of man...

High voltage semiconductor device and manufacturing method of high...

Semiconductor device having a diode type electrical fuse (e-fuse) c...

Semiconductor device having vertical DMOS and manufacturing method...

High voltage semiconductor device having bootstrap diode

Manufacturing method of semiconductor device using gate-through imp...

Semiconductor device having deep trench structure and method of man...

Semiconductor device with controllable channel length and manufactu...

Nonvolatile memory device

Semiconductor device having a diode type electrical fuse (e-fuse) c...

Semiconductor device with controllable channel length and manufactu...

Semiconductor device including nonvolatile memory device and logic...

Electronic fuse cell array structure

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE WITH JUNCTION FET TRANSISTOR HAVING MULTI PINC...

SEMICONDUCTOR DEVICE HAVING HIGH BREAKDOWN VOLTAGE CAPACITOR

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

BIDIRECTIONAL I/O CIRCUIT AND INTEGRATED CIRCUIT INCLUDING BIDIRECT...

Non-Volatile Semiconductor Memory Device and Method of Manufacturin...

MANUFACTURING METHOD OF A SEMICONDUCTOR DEVICE HAVING HIGH-VOLTAGE...

SEMICONDUCTOR DEVICE HAVING HIGH BREAKDOWN VOLTAGE CAPACITOR

SEMICONDUCTOR DEVICE AND METHOD HAVING DEEP TRENCH ISOLATION

HIGH VOLTAGE SEMICONDUCTOR DEVICE HAVING SCHOTTKY BARRIER DIODE

SPLIT GATE POWER MOSFET AND SPLIT GATE POWER MOSFET MANUFACTURING M...

ANALOG TO DIGITAL CONVERTER AND OPERATION METHOD THEREOF

NON-VOLATILE MEMORY DEVICE INCLUDING SENSE AMPLIFIER AND METHOD FOR...

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD...

SEMICONDUCTOR DEVICE HAVING HIGH-VOLTAGE ISOLATION CAPACITOR

ELECTRICAL FUSE ONE TIME PROGRAMMABLE (OTP) MEMORY

SINGLE POLY NON-VOLATILE MEMORY DEVICE AND MANUFACTURING METHOD THE...

HIGH VOLTAGE SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF HIGH...

NON-VOLATILE MEMORY DEVICE HAVING A FUSE TYPE MEMORY CELL ARRAY

ANALOG-TO-DIGITAL CONVERTER AND OPERATION METHOD THEREOF

BIPOLAR-CMOS-DMOS SEMICONDUCTOR DEVICE HAVING A DEEP TRENCH ISOLATI...

SEMICONDUCTOR DEVICE WITH NON-VOLATILE MEMORY CELL AND MANUFACTURIN...

SEMICONDUCTOR DEVICE WITH CONTROLLABLE CHANNEL LENGTH AND MANUFACTU...

SEMICONDUCTOR DEVICE WITH INCREASED ISOLATION BREAKDOWN VOLTAGE

SEMICONDUCTOR DEVICE WITH DEEP TRENCH ISOLATION

eFUSE OTP MEMORY DEVICE INCLUDING SERIAL INTERFACE LOGIC AND OPERAT...

SEMICONDUCTOR DEVICE INCLUDING NONVOLATILE MEMORY DEVICE AND LOGIC...

NON-VOLATILE MEMORY DEVICE INCLUDING SENSE AMPLIFIER AND METHOD FOR...

SEMICONDUCTOR DEVICE HAVING DEEP TRENCH STRUCTURE AND METHOD OF MAN...

HIGH VOLTAGE SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF HIGH...

SEMICONDUCTOR DEVICE WITH BOOTSTRAP DIODE

Trademarklast 30 trademarks

97171027 - GCELL

90278119 - K' KEY FOUNDRY