Inventor · disambiguated record
Dar-Hsiang Cheng
Also filed as: CHENG DAR-HSIANG
2 granted patents·5 pending applications·123 citations·filing 2000–2003
69Inventor score
Files withHE CHENG FA ENTPR CO LTD1
Top patents by PatentIndex Score
7 records- 0186USD441323SElectric vehicleFiled 2000·Granted May 1, 2001·62 cites·1 claims
- 0286USD435874SSkatemobileHE CHENG FA ENTPR CO LTD·Filed 2000·Granted Jan 2, 2001·61 cites·1 claims
- 0338US2005040616A1Golf bag cartFiled 2003·Application pending·0 cites
- 0437US2004129471A1Height-adjusting device for a handle and a seat of an electric scooterFiled 2003·Application pending·0 cites
- 0537US2004129472A1Electric vehicle handle collapsing deviceFiled 2003·Application pending·0 cites
- 0637US2004124599A1Shock-absorbing device for a rear wheel of an electric scooterFiled 2002·Application pending·0 cites
- 0733US2005067208A1Vehicle differential gearFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →