Inventor · disambiguated record
Hsi-Chih Chang
Also filed as: CHANG HSI-CHIH
4 granted patents·2 citations·filing 2013–2023
57Inventor score
Files withIND TECH RES INST4
Top patents by PatentIndex Score
4 records- 0162US9240738B2Interlocking device and three-phase interlocking device for DC to AC converterIND TECH RES INST·Filed 2013·Granted Jan 19, 2016·2 cites·22 claims
- 0258US11381157B1Motor drive and method for reducing dead band of motor driveIND TECH RES INST·Filed 2020·Granted Jul 5, 2022·0 cites·20 claims
- 0354US12500407B2Clamping circuitIND TECH RES INST·Filed 2023·Granted Dec 16, 2025·0 cites·8 claims
- 0449US10581359B1Output torque calculation device and calculation method thereofIND TECH RES INST·Filed 2018·Granted Mar 3, 2020·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →