Inventor · disambiguated record
Feng-Chu Chang
Also filed as: CHANG FENG-CHU
5 granted patents·3 pending applications·72 citations·filing 2004–2019
80Inventor score
Top patents by PatentIndex Score
8 records- 0186US10730579B2Automatically foldable electric vehicleCHIENTI ENTPR CO LTD·Filed 2019·Granted Aug 4, 2020·8 cites·5 claims
- 0284US7401675B2Detachable vehicle body that is assembled and disassembled easily and rapidlyCHIENTI ENTEPRISE CO LTD·Filed 2005·Granted Jul 22, 2008·28 cites·16 claims
- 0379US7025597B1Battery conducting device for motorized scooterCHIENTI ENTPR CO LTD·Filed 2005·Granted Apr 11, 2006·22 cites·17 claims
- 0460US6973853B2Infinitely variable angle adjusting device for a handlebar of a motorized vehicleCHIENTI ENTPR CO LTD·Filed 2004·Granted Dec 13, 2005·13 cites·16 claims
- 0550US7661492B1Motorized wheeled vehicle having a multi-stage speed reduction function when turningCHIENTI ENTPR CO LTD·Filed 2008·Granted Feb 16, 2010·1 cites·17 claims
- 0642US2007221423A1Motorized wheel chair whose battery is mounted easily and quicklyCHIENTI ENTPR CO LTD·Filed 2006·Application pending·0 cites
- 0740US2008277214A1Electromagnetic brake deviceCHANG FENG-CHU·Filed 2007·Application pending·0 cites
- 0835US2007072441A1Vehicle having rapid electric power connectionCHIENTI ENTPR CO LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →