Assignee
LITTELFUSE SEMICONDUCTOR WUXI CO LTD
CN·15 granted patents·26 pending applications·8 citations·filing 2015–2025
Top patents by PatentIndex Score
41 records- 0183US11545827B2Surge protection apparatus having embedded fuseLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2016·Granted Jan 3, 2023·4 cites·10 claims
- 0277US10998719B2Overvoltage protection and linear regulator device moduleLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2019·Granted May 4, 2021·2 cites·16 claims
- 0365US10714241B2Overvoltage protection deviceLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2019·Granted Jul 14, 2020·1 cites·17 claims
- 0464US11652015B2Semiconductor package with improved clampLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2021·Granted May 16, 2023·1 cites·19 claims
- 0561US2024297148A1Power module with improved semiconductor die arrangement for active clampingLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2024·Application pending·0 cites
- 0656US12598813B2TVS with enhanced repetitive surge performanceLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Granted Apr 7, 2026·0 cites·8 claims
- 0755US12581963B2Small outline TVS package compromising lead clip coin structure to support a semiconductor deviceLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Granted Mar 17, 2026·0 cites·19 claims
- 0855US12512667B2Asymmetric bidirectional surge protection deviceLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Granted Dec 30, 2025·0 cites·15 claims
- 0954US2024145348A1Current sensor with inverted shielding elementLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 1053US12557395B2High power TVS with enhanced repetitive surge performanceLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Granted Feb 17, 2026·0 cites·15 claims
- 1153US12532750B2Clip for a discrete power semiconductor packageLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Granted Jan 20, 2026·0 cites·20 claims
- 1253US2024112994A1Semiconductor packageLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 1353US2024096763A1Package structure for asymmetric transient voltage suppressorLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 1452US2024071878A1Two-In-One Lead Frame PackageLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 1551US12068307B2TVS diode and assembly having asymmetric breakdown voltageLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Granted Aug 20, 2024·0 cites·18 claims
- 1651US2026096222A1Unidirectional low voltage sidactorLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2025·Application pending·0 cites
- 1750US2024258099A1Method of glass deposition for semiconductor device fabricationLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2024·Application pending·0 cites
- 1850US2019140444A1Overvoltage Protection and Linear Regulator Device ModuleLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2016·Application pending·0 cites
- 1949US2024395758A1Structure to reduce chip shift during assemblyLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2024·Application pending·0 cites
- 2049US2024128167A1Monolithic multiple-channel protection deviceLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 2148US2024186316A1Scr structure with high noise immunityLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 2248US2024222481A1High noise immunity triac structureLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 2348US2024186423A1High power density rectifier deviceLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 2448US2024204088A1Triac device with high commutating capabilityLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 2547US2024234406A9Unidirectional high voltage punch through tvs diode and method of fabricationLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 2646US2024055312A1Mesa device with stack thin film passivationLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 2745US11552071B2Semiconductor discharge protection device with diode and silicon controlled rectifier arrangementsLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2020·Granted Jan 10, 2023·0 cites·10 claims
- 2845US2024047317A1Package structure assembly for tvs devicesLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 2943US2024096527A1Bidirectional asymmetric transient voltage suppressor deviceLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2023·Application pending·0 cites
- 3043US2026011676A1Corner stress reduction in semiconductor assembliesLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2025·Application pending·0 cites
- 3143US2024290828A1Method of peak on-state voltage reduction for semiconductor device fabricationLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2024·Application pending·0 cites
- 3242US12224279B2Integrated mult-device chip and packageLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2019·Granted Feb 11, 2025·0 cites·17 claims
- 3340US10714240B2Overvoltage protection deviceLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2015·Granted Jul 14, 2020·0 cites·17 claims
- 3440US2021175224A1TVS Diode and Assembly Having Asymmetric Breakdown VoltageLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2020·Application pending·0 cites
- 3540US2025385236A1Discrete semiconductor device package with integrated temperature sensorLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2025·Application pending·0 cites
- 3639US2025301795A1Unidirectional transient voltage suppressor device with low clamping voltageLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2025·Application pending·0 cites
- 3737US2025311442A1Unidirectional transient voltage suppressor device with low clamping voltageLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2025·Application pending·0 cites
- 3836US11362513B2Hybrid overvoltage protection device and assemblyLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2017·Granted Jun 14, 2022·0 cites·8 claims
- 3934US11139287B2Transient voltage suppression device with thermal cutoffLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2016·Granted Oct 5, 2021·0 cites·12 claims
- 4034US2022310821A1Semiconductor mesa device formation methodLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2022·Application pending·0 cites
- 4132US2020119173A1Advanced field stop thyristor structure and manufacture methodsLITTELFUSE SEMICONDUCTOR WUXI CO LTD·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when LITTELFUSE SEMICONDUCTOR WUXI CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →