Inventor · disambiguated record
Chung-Yu Tsai
Also filed as: TSAI CHUNG · TSAI CHUNG-YU
20 granted patents·6 pending applications·141 citations·filing 2003–2023
93Inventor score
Files withTSAI CHUNG YU16HONG JIN IND CO LTD4TSAI CHIUNG-CHANG3CHUNGHWA TELECOM CO LTD1HONG JIN HARDWARE CORP1
Top patents by PatentIndex Score
26 records- 0198US10434638B1Tool box assemblyTSAI CHUNG YU·Filed 2018·Granted Oct 8, 2019·70 cites·13 claims
- 0298US9406423B1Magnetic sleeve assemblyTSAI CHUNG-YU·Filed 2015·Granted Aug 2, 2016·22 cites·9 claims
- 0391US9718174B2Hand tool assembly with magnetic securing deviceTSAI CHUNG-YU·Filed 2015·Granted Aug 1, 2017·7 cites·6 claims
- 0490US10022847B2Magnetic sleeve for positioning screwdriver bitTSAI CHUNG YU·Filed 2016·Granted Jul 17, 2018·6 cites·8 claims
- 0589US11103985B2Grip device for hexagonal wrenchesTSAI CHUNG YU·Filed 2019·Granted Aug 31, 2021·5 cites·8 claims
- 0686US11072056B2Grip bar for hexagonal wrenchTSAI CHUNG YU·Filed 2019·Granted Jul 27, 2021·4 cites·11 claims
- 0786US9969076B2Connection device for hexagonal wrenchTSAI CHUNG YU·Filed 2015·Granted May 15, 2018·5 cites·14 claims
- 0883US9696224B1Torque detection deviceTSAI CHUNG-YU·Filed 2015·Granted Jul 4, 2017·4 cites·14 claims
- 0981US9789615B2CutterHONG JIN IND CO LTD·Filed 2015·Granted Oct 17, 2017·5 cites·10 claims
- 1078US11203108B2Grip device for hexagonal wrenchesTSAI CHUNG YU·Filed 2019·Granted Dec 21, 2021·2 cites·7 claims
- 1177US10545013B2Measuring tape assemblyTSAI CHIUNG CHANG·Filed 2018·Granted Jan 28, 2020·2 cites·8 claims
- 1274US9902050B2Magnetic positioning device for hand toolTSAI CHUNG YU·Filed 2016·Granted Feb 27, 2018·2 cites·4 claims
- 1369US10384334B2Ratchet screwdriverTSAI CHIUNG CHANG·Filed 2017·Granted Aug 20, 2019·1 cites·11 claims
- 1468US10766125B2Ratchet screwdriverTSAI CHIUNG CHANG·Filed 2017·Granted Sep 8, 2020·1 cites·10 claims
- 1565US9908230B2Tool assemblyTSAI CHUNG YU·Filed 2015·Granted Mar 6, 2018·1 cites·8 claims
- 1660US8134836B2Packaged heat dissipating assembly for an intermediate bus converterTSAI CHUNG-YU·Filed 2009·Granted Mar 13, 2012·4 cites·14 claims
- 1754US11370042B1CutterHONG JIN IND CO LTD·Filed 2020·Granted Jun 28, 2022·0 cites·9 claims
- 1850US2010290613A1Generalized Code Communication SystemCHUNGHWA TELECOM CO LTD·Filed 2009·Application pending·0 cites
- 1949US10596692B2Tool combinationTSAI CHUNG YU·Filed 2018·Granted Mar 24, 2020·0 cites·9 claims
- 2049US2025083345A1Adjustable cutterHONG JIN HARDWARE CORP·Filed 2023·Application pending·0 cites
- 2148US2019299389A1Hand tool adapterTSAI CHUNG YU·Filed 2018·Application pending·0 cites
- 2247US2019176317A1Hand tool assemblyTSAI CHUNG YU·Filed 2017·Application pending·0 cites
- 2344US11173619B1Effort-saving cutterHONG JIN IND CO LTD·Filed 2020·Granted Nov 16, 2021·0 cites·7 claims
- 2443US2017120434A1Folding tool assemblyTSAI CHUNG-YU·Filed 2015·Application pending·0 cites
- 2542US2019375119A1Index assemblyHONG JIN IND CO LTD·Filed 2018·Application pending·0 cites
- 2629US7066074B2Fluid motorTAIWAN SEMICONDUCTOR MFG·Filed 2003·Granted Jun 27, 2006·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →