Inventor · disambiguated record
Woo Sok Chang
Also filed as: CHANG WOO SOK
3 granted patents·2 pending applications·107 citations·filing 1995–2023
75Inventor score
Files withMASSACHUSETTS INST TECHNOLOGY2DAEWOO ELECTRONICS CO LTD1HYUNDAI ELEVATOR CO LTD1LEVITRONIX LLC1
Top patents by PatentIndex Score
5 records- 0194US6755166B2Electromechanical valve drive incorporating a nonlinear mechanical transformerMASSACHUSETTS INST TECHNOLOGY·Filed 2002·Granted Jun 29, 2004·70 cites·20 claims
- 0264US2025270070A1Device for reducing bouncing of elevator carHYUNDAI ELEVATOR CO LTD·Filed 2023·Application pending·0 cites
- 0356US5598304AFuzzy controller for an actuator and the controlling method thereofDAEWOO ELECTRONICS CO LTD·Filed 1995·Granted Jan 28, 1997·17 cites·10 claims
- 0455US6457864B1Omni-directional high precision friction drive positioning stageMASSACHUSETTS INST TECHNOLOGY·Filed 1999·Granted Oct 1, 2002·20 cites·15 claims
- 0543US2008286441A1Apparatus and method for rotational coatingLEVITRONIX LLC·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →