Inventor · disambiguated record
Ching-Kai Chang
Also filed as: CHANG CHING-KAI
16 granted patents·8 pending applications·35 citations·filing 2017–2025
89Inventor score
Files withHANWIT PREC IND LTD24
Top patents by PatentIndex Score
24 records- 0194US11372459B2Fastener for securing interface cardHANWIT PREC IND LTD·Filed 2020·Granted Jun 28, 2022·6 cites·10 claims
- 0292US12173746B2Floating fastener with shock-absorbing structureHANWIT PREC IND LTD·Filed 2023·Granted Dec 24, 2024·3 cites·9 claims
- 0392US11441329B2Handle locking structureHANWIT PREC IND LTD·Filed 2020·Granted Sep 13, 2022·4 cites·12 claims
- 0488US12449864B2Two-stage fixing deviceHANWIT PREC IND LTD·Filed 2023·Granted Oct 21, 2025·1 cites·9 claims
- 0588US11018452B2Positioning fastenerHANWIT PREC IND LTD·Filed 2019·Granted May 25, 2021·6 cites·10 claims
- 0687US10487866B2Fastening deviceHANWIT PREC IND LTD·Filed 2017·Granted Nov 26, 2019·7 cites·8 claims
- 0783US12234849B2Pressable locating device and driving mechanismHANWIT PREC IND LTD·Filed 2021·Granted Feb 25, 2025·1 cites·9 claims
- 0883US10759039B2Handle mounting structureHANWIT PREC IND LTD·Filed 2018·Granted Sep 1, 2020·4 cites·11 claims
- 0974US10645822B2Locating deviceHANWIT PREC IND LTD·Filed 2019·Granted May 5, 2020·2 cites·9 claims
- 1073US12429078B2Fixing deviceHANWIT PREC IND LTD·Filed 2023·Granted Sep 30, 2025·0 cites·18 claims
- 1172US12404886B2Fixing deviceHANWIT PREC IND LTD·Filed 2023·Granted Sep 2, 2025·0 cites·8 claims
- 1268US12297853B2Push controlled positioning deviceHANWIT PREC IND LTD·Filed 2022·Granted May 13, 2025·0 cites·8 claims
- 1368US2025261316A1Fixing deviceHANWIT PREC IND LTD·Filed 2025·Application pending·0 cites
- 1460US11109505B2Locating deviceHANWIT PREC IND LTD·Filed 2019·Granted Aug 31, 2021·1 cites·10 claims
- 1560US2025382986A1Fixing deviceHANWIT PREC IND LTD·Filed 2024·Application pending·0 cites
- 1659US12326167B2Chassis quick release deviceHANWIT PREC IND LTD·Filed 2024·Granted Jun 10, 2025·0 cites·9 claims
- 1759US2025243887A1Directional fixing deviceHANWIT PREC IND LTD·Filed 2024·Application pending·0 cites
- 1859US2025273537A1Positioning device with heat dissipation effectHANWIT PREC IND LTD·Filed 2024·Application pending·0 cites
- 1958US12429931B2Two-stage fixing deviceHANWIT PREC IND LTD·Filed 2024·Granted Sep 30, 2025·0 cites·10 claims
- 2056US2025059991A1Board assembly deviceHANWIT PREC IND LTD·Filed 2023·Application pending·0 cites
- 2155US2025203810A1Blind-mating floating clamp deviceHANWIT PREC IND LTD·Filed 2023·Application pending·0 cites
- 2254US2023175542A1Rotary positioning deviceHANWIT PREC IND LTD·Filed 2023·Application pending·0 cites
- 2352US12058832B2Chassis quick release deviceHANWIT PREC IND LTD·Filed 2023·Granted Aug 6, 2024·0 cites·10 claims
- 2451US2023110234A1Board to board positioning deviceHANWIT PREC IND LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →