Inventor · disambiguated record
Chun Feng Chang
Also filed as: CHANG CHUN-FENG
6 granted patents·1 pending application·57 citations·filing 2005–2022
80Inventor score
Top patents by PatentIndex Score
7 records- 0184USD621782SElectrical plug devicePHIHONG USA CORP·Filed 2009·Granted Aug 17, 2010·37 cites·1 claims
- 0267US9673577B2Power plug device and the manufacturing method thereofPHIHONG TECH CO LTD·Filed 2016·Granted Jun 6, 2017·3 cites·18 claims
- 0366US11095067B2Electrical connector with waterproof structurePHIHONG TECH CO LTD·Filed 2019·Granted Aug 17, 2021·2 cites·10 claims
- 0461USD621781SElectrical plug adapterPHIHONG USA CORP·Filed 2009·Granted Aug 17, 2010·13 cites·1 claims
- 0552US11862908B2Power plug devicePHIHONG TECH CO LTD·Filed 2022·Granted Jan 2, 2024·0 cites·18 claims
- 0646US8277234B2Interface between connectable electrical devicesHOPWOOD KEITH·Filed 2011·Granted Oct 2, 2012·2 cites·18 claims
- 0744US2006117601A1Transparent heel and sole assemblyFENG HSU PLASTIC INDUSTRY CO L·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →