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Hee Hwan JI
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Cheongju-si, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Manufacturing method of semiconductor device using gate-through imp...
Patent number
12,224,211
Issue date
Feb 11, 2025
SK keyfoundry Inc.
Hee Hwan Ji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device with junction FET tr...
Patent number
12,159,806
Issue date
Dec 3, 2024
SK keyfoundry Inc.
Ji Man Kim
H01 - BASIC ELECTRIC ELEMENTS
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
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 low Rdson and manufacturing method thereof
Patent number
11,133,414
Issue date
Sep 28, 2021
MagnaChip Semiconductor, Ltd.
Jae Hyung Jang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display driver semiconductor device and manufacturing method thereof
Patent number
10,985,192
Issue date
Apr 20, 2021
KEY FOUNDRY., LTD.
Bo Seok Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method thereof
Patent number
10,763,800
Issue date
Sep 1, 2020
MagnaChip Semiconductor, Ltd.
Hee Hwan Ji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having low Rdson and manufacturing method thereof
Patent number
10,700,198
Issue date
Jun 30, 2020
MagnaChip Semiconductor, Ltd.
Jae Hyung Jang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device structure having low Rdson and manufacturing m...
Patent number
10,686,071
Issue date
Jun 16, 2020
MagnaChip Semiconductor, Ltd.
Jae Hyung Jang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device for display driver IC structure
Patent number
10,637,467
Issue date
Apr 28, 2020
MagnaChip Semiconductor, Ltd.
Jeong Hyeon Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Display driver semiconductor device and manufacturing method thereof
Patent number
10,504,932
Issue date
Dec 10, 2019
MagnaChip Semiconductor, Ltd.
Bo Seok Oh
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device and manufacturing method thereof
Patent number
10,290,501
Issue date
May 14, 2019
MagnaChip Semiconductor, Ltd.
Hee Hwan Ji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device for display driver IC structure
Patent number
10,116,305
Issue date
Oct 30, 2018
MagnaChip Semiconductor, Ltd.
Jeong Hyeon Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor device structure having low Rdson and manufacturing m...
Patent number
10,103,260
Issue date
Oct 16, 2018
MagnaChip Semiconductor, Ltd.
Jae Hyung Jang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display driver semiconductor device and manufacturing method thereof
Patent number
9,871,063
Issue date
Jan 16, 2018
MagnaChip Semiconductor, Ltd.
Bo Seok Oh
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 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
HIGH VOLTAGE SEMICONDUCTOR DEVICE WITH ESD SELF-PROTECTION CAPABILI...
Publication number
20230023179
Publication date
Jan 26, 2023
KEY FOUNDRY CO., LTD.
Hee Hwan JI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE WITH JUNCTION FET TRANSISTOR HAVING MULTI PINC...
Publication number
20220399332
Publication date
Dec 15, 2022
KEY FOUNDRY CO., LTD.
Ji Man KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE USING GATE-THROUGH IMP...
Publication number
20220277960
Publication date
Sep 1, 2022
KEY FOUNDRY CO., LTD.
Hee Hwan JI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE USING GATE-THROUGH IMP...
Publication number
20210272811
Publication date
Sep 2, 2021
KEY FOUNDRY CO., LTD.
Hee Hwan JI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING LOW RDSON AND MANUFACTURING METHOD THEREOF
Publication number
20200251592
Publication date
Aug 6, 2020
Magnachip Semiconductor, Ltd.
Jae Hyung JANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISPLAY DRIVER SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20200066759
Publication date
Feb 27, 2020
Magnachip Semiconductor, Ltd.
Bo Seok OH
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20190229685
Publication date
Jul 25, 2019
Magnachip Semiconductor, Ltd.
Hee Hwan JI
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING LOW RDSON AND MANUFACTURING METHOD THEREOF
Publication number
20190043986
Publication date
Feb 7, 2019
Magnachip Semiconductor, Ltd.
Jae Hyung JANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE FOR DISPLAY DRIVER IC STRUCTURE
Publication number
20190028098
Publication date
Jan 24, 2019
Magnachip Semiconductor, Ltd.
Jeong Hyeon PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE STRUCTURE HAVING LOW RDSON AND MANUFACTURING M...
Publication number
20190027600
Publication date
Jan 24, 2019
Magnachip Semiconductor, Ltd.
Jae Hyung JANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE STRUCTURE HAVING LOW RDSON AND MANUFACTURING M...
Publication number
20180286981
Publication date
Oct 4, 2018
Magnachip Semiconductor, Ltd.
Jae Hyung JANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISPLAY DRIVER SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20180083043
Publication date
Mar 22, 2018
Magnachip Semiconductor, Ltd.
Bo Seok OH
G11 - INFORMATION STORAGE
Information
Patent Application
DISPLAY DRIVER SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20180019262
Publication date
Jan 18, 2018
Magnachip Semiconductor, Ltd.
Bo Seok OH
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR DEVICE FOR DISPLAY DRIVER IC STRUCTURE
Publication number
20180013421
Publication date
Jan 11, 2018
Magnachip Semiconductor, Ltd.
Jeong Hyeon PARK
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20150129959
Publication date
May 14, 2015
Magnachip Semiconductor, Ltd.
Hee Hwan JI
H01 - BASIC ELECTRIC ELEMENTS