Inventor · disambiguated record
Tzu Sang Chan
Also filed as: CHAN TZU SANG
5 granted patents·13 citations·filing 2018–2018
73Inventor score
Files withHS MACHINERY CO LTD5
Top patents by PatentIndex Score
5 records- 0178US10731281B2Heat dissipation apparatus for sewing machinesHS MACHINERY CO LTD·Filed 2018·Granted Aug 4, 2020·2 cites·15 claims
- 0271US11050311B2Drive apparatus for sewing machinesHS MACHINERY CO LTD·Filed 2018·Granted Jun 29, 2021·1 cites·18 claims
- 0350USD923459SMotor bracket of sewing machineHS MACHINERY CO LTD·Filed 2018·Granted Jun 29, 2021·6 cites·1 claims
- 0435USD891474SMotor housingHS MACHINERY CO LTD·Filed 2018·Granted Jul 28, 2020·2 cites·1 claims
- 0534USD881951SMotor of sewing machineHS MACHINERY CO LTD·Filed 2018·Granted Apr 21, 2020·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →