Assignee
SK KEYFOUNDRY INC
KR·50 granted patents·31 pending applications·4 citations·filing 2021–2025
Top patents by PatentIndex Score
81 records- 0184US12288648B2Method of manufacturing a trench capacitor with wafer bowSK KEYFOUNDRY INC·Filed 2024·Granted Apr 29, 2025·1 cites·11 claims
- 0284US2026026055A1Semiconductor device with deep trench isolationSK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 0382US12317534B2High voltage semiconductor device and manufacturing method of high voltage semiconductor deviceSK KEYFOUNDRY INC·Filed 2023·Granted May 27, 2025·0 cites·12 claims
- 0480US11990909B2Low power retention flip-flopSK KEYFOUNDRY INC·Filed 2022·Granted May 21, 2024·2 cites·18 claims
- 0579US12183639B2Semiconductor device having deep trench structure and method of manufacturing thereofSK KEYFOUNDRY INC·Filed 2023·Granted Dec 31, 2024·0 cites·16 claims
- 0679US12033806B2Method of manufacturing a trench capacitor with wafer bowSK KEYFOUNDRY INC·Filed 2022·Granted Jul 9, 2024·1 cites·18 claims
- 0779US2025056863A1Semiconductor device with non-volatile memory cell and manufacturing method thereofSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
- 0878US12176402B2Semiconductor device with non-volatile memory cell and manufacturing method thereofSK KEYFOUNDRY INC·Filed 2023·Granted Dec 24, 2024·0 cites·17 claims
- 0976US12132048B2Semiconductor device with controllable channel length and manufacturing method thereofSK KEYFOUNDRY INC·Filed 2023·Granted Oct 29, 2024·0 cites·15 claims
- 1076US11991878B2Semiconductor device including nonvolatile memory device and logic device and manufacturing method of semiconductor device including nonvolatile memory device and logic deviceSK KEYFOUNDRY INC·Filed 2023·Granted May 21, 2024·0 cites·15 claims
- 1176US2025364398A1Semiconductor device having high breakdown voltage capacitorSK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 1275US2025048712A1Semiconductor device with deep trench isolation mask layoutSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
- 1374US12046629B2Semiconductor device with increased isolation breakdown voltageSK KEYFOUNDRY INC·Filed 2023·Granted Jul 23, 2024·0 cites·15 claims
- 1474US2025275258A1High voltage semiconductor device with esd self-protection capability and manufacturing method thereofSK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 1573US12457777B2Semiconductor device with deep trench isolationSK KEYFOUNDRY INC·Filed 2023·Granted Oct 28, 2025·0 cites·18 claims
- 1672US12159806B2Method of manufacturing a semiconductor device with junction FET transistors having multi pinch-off voltagesSK KEYFOUNDRY INC·Filed 2024·Granted Dec 3, 2024·0 cites·13 claims
- 1772US2025323142A1Semiconductor device and semiconductor device manufacturing method with high-voltage isolation capacitorSK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 1870US12230337B2Non-volatile memory device having a fuse type memory cell arraySK KEYFOUNDRY INC·Filed 2023·Granted Feb 18, 2025·0 cites·20 claims
- 1968US12424284B2Electrical fuse one time programmable (OTP) memorySK KEYFOUNDRY INC·Filed 2023·Granted Sep 23, 2025·0 cites·16 claims
- 2068US2025246373A1Method of manufacturing a trench capacitor with wafer bowSK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 2168US2024421183A1Semiconductor device with guard ring isolating power deviceSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
- 2267US12489050B2Semiconductor device having high breakdown voltage capacitorSK KEYFOUNDRY INC·Filed 2023·Granted Dec 2, 2025·0 cites·17 claims
- 2367US12231144B2Analog-to-digital converter and operation method thereofSK KEYFOUNDRY INC·Filed 2023·Granted Feb 18, 2025·0 cites·14 claims
- 2467US12224025B2Non-volatile memory device including sense amplifier and method for operating the sameSK KEYFOUNDRY INC·Filed 2023·Granted Feb 11, 2025·0 cites·19 claims
- 2567US2025140328A1Non-volatile memory device having a fuse type memory cell arraySK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 2666US12374614B2Semiconductor device and semiconductor device manufacturing method with high-voltage isolation capacitorSK KEYFOUNDRY INC·Filed 2023·Granted Jul 29, 2025·0 cites·11 claims
- 2766US2025266212A1Semiconductor device having a high breakdown voltage capacitor and method for forming the sameSK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 2865US12224211B2Manufacturing method of semiconductor device using gate-through implantationSK KEYFOUNDRY INC·Filed 2022·Granted Feb 11, 2025·0 cites·18 claims
- 2965US2025150090A1Analog-to-digital converter and operation method thereofSK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 3065US2026047109A1Semiconductor device including deep trench capacitor and manufacturing method thereofSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
- 3163US12317546B2Split gate power MOSFET and split gate power MOSFET manufacturing methodSK KEYFOUNDRY INC·Filed 2023·Granted May 27, 2025·0 cites·18 claims
- 3262US12356727B2High voltage semiconductor device with ESD self-protection capability and manufacturing method thereofSK KEYFOUNDRY INC·Filed 2021·Granted Jul 8, 2025·0 cites·16 claims
- 3362US12349452B2Bipolar-CMOS-DMOS semiconductor device having a deep trench isolation structure for high isolation breakdown voltageSK KEYFOUNDRY INC·Filed 2022·Granted Jul 1, 2025·0 cites·17 claims
- 3462US12206002B2Semiconductor device with deep trench isolation mask layoutSK KEYFOUNDRY INC·Filed 2021·Granted Jan 21, 2025·0 cites·10 claims
- 3561US2025318161A1High voltage semiconductor device including bootstrap schottky diodeSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
- 3661US2025311398A1High voltage semiconductor device including bootstrap schottky diodeSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
- 3760US12327692B2Semiconductor device having a high breakdown voltage capacitor and method for forming the sameSK KEYFOUNDRY INC·Filed 2021·Granted Jun 10, 2025·0 cites·24 claims
- 3860US2026045313A1Non-volatile memory device having a fuse type memory cell arraySK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 3960US2025275163A1Manufacturing method of high power semiconductor deviceSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
- 4060US2025311364A1High electron mobility semiconductor deviceSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
- 4159US12034084B2Semiconductor device including poly-silicon junction field-effect transistor and manufacturing method thereofSK KEYFOUNDRY INC·Filed 2021·Granted Jul 9, 2024·0 cites·17 claims
- 4259US2024429271A1Semiconductor device having a low resistivity trench capacitorSK KEYFOUNDRY INC·Filed 2023·Application pending·0 cites
- 4358US12113102B2Semiconductor device with guard ring isolating power deviceSK KEYFOUNDRY INC·Filed 2022·Granted Oct 8, 2024·0 cites·15 claims
- 4458US2024355631A1Method for manufacturing semiconductor dieSK KEYFOUNDRY INC·Filed 2023·Application pending·0 cites
- 4558US2025301748A1Semiconductor device having low on-resistance and low parasitic capacitanceSK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 4657US12062717B2Structure and method for manufacturing a trench power MOSFETSK KEYFOUNDRY INC·Filed 2021·Granted Aug 13, 2024·0 cites·21 claims
- 4756US2025031406A1High voltage semiconductor device and manufacturing method thereofSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
- 4856US2026075959A1Semiconductor device for esd protection and can protection circuit including the sameSK KEYFOUNDRY INC·Filed 2025·Application pending·0 cites
- 4955US12532464B2Semiconductor device including single poly non-volatile memory device and method of manufacturing sameSK KEYFOUNDRY INC·Filed 2022·Granted Jan 20, 2026·0 cites·5 claims
- 5055US2025124993A1Non-volatile memory device including sense amplifier and method for operating the sameSK KEYFOUNDRY INC·Filed 2024·Application pending·0 cites
Showing the top 50 of 81 patent records by PatentIndex Score.
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