Inventor · disambiguated record
Cheng-Hsien Chang
Also filed as: CHANG CHENG-HSIEN
4 granted patents·8 pending applications·1 citations·filing 2002–2025
55Inventor score
Top patents by PatentIndex Score
12 records- 0151US2024351215A1Automatic car wash system and method thereofSUNNDER TECH CO LTD·Filed 2024·Application pending·0 cites
- 0250US2025308508A1Data transmission method and apparatus thereofMEDIATEK INC·Filed 2025·Application pending·0 cites
- 0349US8283805B2Scanner with batteryTAN HIN LEONG·Filed 2008·Granted Oct 9, 2012·0 cites·15 claims
- 0449US2024406807A1Method of Redialing under Handover LimitationMEDIATEK INC·Filed 2024·Application pending·0 cites
- 0548US10802070B2Testing device and testing method with spike protectionCHROMA ATE INC·Filed 2018·Granted Oct 13, 2020·0 cites·20 claims
- 0648US8213282B1Method for identifying optical disk typeCHANG CHENG-HSIEN·Filed 2007·Granted Jul 3, 2012·1 cites·16 claims
- 0741US2022001049A1Vehicle door epidemic prevention device applied to public transportation vehicleSUNNDER TECH CO LTD·Filed 2020·Application pending·0 cites
- 0835US9647650B2Clock generating deviceCHROMA ATE INC·Filed 2015·Granted May 9, 2017·0 cites·7 claims
- 0933US2017168100A1Pulse generating apparatus and calibrating method thereofCHROMA ATE INC·Filed 2016·Application pending·0 cites
- 1032US2003225480A1Electric fan operable in a breeze-simulating modeFiled 2002·Application pending·0 cites
- 1132US2003225542A1Electronic fan capable of automatic fan speed adjustment according to ambient temperature conditionsFiled 2002·Application pending·0 cites
- 1230US2017105193A1Method and apparatus for dual-sim call managementMEDIATEK INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →