Assignee
KEY FOUNDRY CO LTD
KR·42 granted patents·6 pending applications·49 citations·filing 2018–2023
Top patents by PatentIndex Score
48 records- 0196US11757011B2Semiconductor device with non-volatile memory cell and manufacturing method thereofKEY FOUNDRY CO LTD·Filed 2021·Granted Sep 12, 2023·3 cites·17 claims
- 0296US11121253B2High voltage semiconductor device and manufacturing method of high voltage semiconductor deviceKEY FOUNDRY CO LTD·Filed 2020·Granted Sep 14, 2021·6 cites·18 claims
- 0394US11665896B2Semiconductor device including nonvolatile memory device and logic device and manufacturing method of semiconductor device including nonvolatile memory device and logic deviceKEY FOUNDRY CO LTD·Filed 2022·Granted May 30, 2023·2 cites·13 claims
- 0494US11615989B2Semiconductor device having deep trench structure and method of manufacturing thereofKEY FOUNDRY CO LTD·Filed 2022·Granted Mar 28, 2023·2 cites·15 claims
- 0594US11581434B2High voltage semiconductor device and manufacturing method of high voltage semiconductor deviceKEY FOUNDRY CO LTD·Filed 2021·Granted Feb 14, 2023·2 cites·14 claims
- 0693US11362197B2Semiconductor device with controllable channel length and manufacturing method of semiconductor device with controllable channel lengthKEY FOUNDRY CO LTD·Filed 2020·Granted Jun 14, 2022·3 cites·19 claims
- 0793US11145379B2Electronic fuse cell array structureKEY FOUNDRY CO LTD·Filed 2020·Granted Oct 12, 2021·3 cites·30 claims
- 0892US11469320B2High voltage semiconductor device having bootstrap diodeKEY FOUNDRY CO LTD·Filed 2020·Granted Oct 11, 2022·2 cites·27 claims
- 0991US11854622B2Electrical fuse one time programmable (OTP) memoryKEY FOUNDRY CO LTD·Filed 2021·Granted Dec 26, 2023·2 cites·14 claims
- 1091US11848061B2Non-volatile memory device including sense amplifier and method for operating the sameKEY FOUNDRY CO LTD·Filed 2022·Granted Dec 19, 2023·2 cites·18 claims
- 1190US11018060B2Semiconductor device having deep trench structure and method of manufacturing thereofKEY FOUNDRY CO LTD·Filed 2019·Granted May 25, 2021·5 cites·7 claims
- 1289US11532741B2Semiconductor device having vertical DMOS and manufacturing method thereofKEY FOUNDRY CO LTD·Filed 2021·Granted Dec 20, 2022·2 cites·28 claims
- 1388US11373872B2Manufacturing method of semiconductor device using gate-through implantationKEY FOUNDRY CO LTD·Filed 2020·Granted Jun 28, 2022·2 cites·10 claims
- 1486US10978587B2Semiconductor deviceKEY FOUNDRY CO LTD·Filed 2019·Granted Apr 13, 2021·3 cites·20 claims
- 1584US10923603B2Semiconductor device comprising Schottky barrier diodesKEY FOUNDRY CO LTD·Filed 2019·Granted Feb 16, 2021·3 cites·17 claims
- 1682US11862695B2Split gate power MOSFET and split gate power MOSFET manufacturing methodKEY FOUNDRY CO LTD·Filed 2021·Granted Jan 2, 2024·2 cites·13 claims
- 1780US11791409B2High voltage semiconductor device and manufacturing method of high voltage semiconductor deviceKEY FOUNDRY CO LTD·Filed 2023·Granted Oct 17, 2023·0 cites·17 claims
- 1876US11799493B2Analog-to-digital converter and operation method thereofKEY FOUNDRY CO LTD·Filed 2021·Granted Oct 24, 2023·1 cites·17 claims
- 1974US10916419B2Insulator, capacitor with the same and fabrication method thereof, and method for fabricating semiconductor deviceKEY FOUNDRY CO LTD·Filed 2018·Granted Feb 9, 2021·1 cites·28 claims
- 2072US11322492B2Semiconductor device with controllable channel length and manufacturing method thereofKEY FOUNDRY CO LTD·Filed 2019·Granted May 3, 2022·1 cites·15 claims
- 2171US11764216B2Semiconductor device with controllable channel length and manufacturing method thereofKEY FOUNDRY CO LTD·Filed 2022·Granted Sep 19, 2023·0 cites·18 claims
- 2271US11756992B1Semiconductor device with increased isolation breakdown voltageKEY FOUNDRY CO LTD·Filed 2022·Granted Sep 12, 2023·0 cites·15 claims
- 2371US11367661B2Semiconductor device having deep trench structure and method of manufacturing thereofKEY FOUNDRY CO LTD·Filed 2020·Granted Jun 21, 2022·0 cites·17 claims
- 2471US11328783B2Semiconductor device having a diode type electrical fuse (e-fuse) cell arrayKEY FOUNDRY CO LTD·Filed 2021·Granted May 10, 2022·0 cites·10 claims
- 2570US11538541B2Semiconductor device having a diode type electrical fuse (e-fuse) cell arrayKEY FOUNDRY CO LTD·Filed 2022·Granted Dec 27, 2022·0 cites·15 claims
- 2670US11127749B2Single poly non-volatile memory device, method of manufacturing the same and single poly non-volatile memory device arrayKEY FOUNDRY CO LTD·Filed 2020·Granted Sep 21, 2021·0 cites·18 claims
- 2770US10950614B2Single poly non-volatile memory device, method of manufacturing the same and single poly non-volatile memory device arrayKEY FOUNDRY CO LTD·Filed 2020·Granted Mar 16, 2021·0 cites·20 claims
- 2870US2024049463A1Single poly non-volatile memory device and manufacturing method thereofKEY FOUNDRY CO LTD·Filed 2023·Application pending·0 cites
- 2969US11631616B2Semiconductor and method of fabricating the sameKEY FOUNDRY CO LTD·Filed 2021·Granted Apr 18, 2023·0 cites·18 claims
- 3069US10867677B2Single poly multi time program cell and method of operating the sameKEY FOUNDRY CO LTD·Filed 2018·Granted Dec 15, 2020·1 cites·29 claims
- 3168US11024398B2Semiconductor device having a diode type electrical fuse (e-fuse) cell arrayKEY FOUNDRY CO LTD·Filed 2020·Granted Jun 1, 2021·0 cites·8 claims
- 3267US11696440B2Nonvolatile memory deviceKEY FOUNDRY CO LTD·Filed 2022·Granted Jul 4, 2023·0 cites·15 claims
- 3365US11688795B2Semiconductor device with controllable channel length and manufacturing method of semiconductor device with controllable channel lengthKEY FOUNDRY CO LTD·Filed 2022·Granted Jun 27, 2023·0 cites·19 claims
- 3465US11289498B2Semiconductor device including nonvolatile memory device and logic device and manufacturing method of semiconductor device including nonvolatile memory device and logic deviceKEY FOUNDRY CO LTD·Filed 2020·Granted Mar 29, 2022·0 cites·16 claims
- 3563US11825650B2Single poly non-volatile memory device and manufacturing method thereofKEY FOUNDRY CO LTD·Filed 2021·Granted Nov 21, 2023·0 cites·12 claims
- 3663US11056482B2Semiconductor device with electrostatic discharge protectionKEY FOUNDRY CO LTD·Filed 2019·Granted Jul 6, 2021·1 cites·22 claims
- 3761US11923368B2Semiconductor device with junction FET transistors having multi pinch-off voltagesKEY FOUNDRY CO LTD·Filed 2021·Granted Mar 5, 2024·0 cites·10 claims
- 3861US10985074B2Method of manufacturing a CMOS transistorKEY FOUNDRY CO LTD·Filed 2019·Granted Apr 20, 2021·0 cites·17 claims
- 3960US11348931B2Nonvolatile memory deviceKEY FOUNDRY CO LTD·Filed 2020·Granted May 31, 2022·0 cites·20 claims
- 4059US11088031B2Semiconductor and method of fabricating the sameKEY FOUNDRY CO LTD·Filed 2019·Granted Aug 10, 2021·0 cites·17 claims
- 4156US11856769B2Semiconductor device with single poly non-volatile memory device and manufacturing methodKEY FOUNDRY CO LTD·Filed 2021·Granted Dec 26, 2023·0 cites·16 claims
- 4256US2024105838A1High voltage semiconductor device having schottky barrier diodeKEY FOUNDRY CO LTD·Filed 2023·Application pending·0 cites
- 4355US11915767B2Negative voltage switching device and non-volatile memory device using the sameKEY FOUNDRY CO LTD·Filed 2022·Granted Feb 27, 2024·0 cites·27 claims
- 4452US2024063112A1Semiconductor device having high-voltage isolation capacitorKEY FOUNDRY CO LTD·Filed 2023·Application pending·0 cites
- 4550US2024162282A1Manufacturing method of a semiconductor device having high-voltage isolation capacitorKEY FOUNDRY CO LTD·Filed 2023·Application pending·0 cites
- 4647US11854817B2Manufacturing method for deep trench capacitor with scalloped profileKEY FOUNDRY CO LTD·Filed 2022·Granted Dec 26, 2023·0 cites·15 claims
- 4744US2024234522A1Semiconductor device and method of manufacturing the sameKEY FOUNDRY CO LTD·Filed 2023·Application pending·0 cites
- 4839US2023020162A1Semiconductor device with metal-insulator-metal (mim) capacitor and mim manufacturing method thereofKEY FOUNDRY CO LTD·Filed 2021·Application pending·0 cites
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