Inventor · disambiguated record
Chieh-Cheng Yen
Also filed as: YEN CHIEH-CHENG
1 granted patent·2 pending applications·34 citations·filing 1994–2005
44Inventor score
Files withYEN CHIEH-CHENG1
Top patents by PatentIndex Score
3 records- 0150US5495733ALock for a safe-deposit boxFiled 1994·Granted Mar 5, 1996·34 cites·20 claims
- 0230US2007132574A1Pre-braking warning device for vehiclesYEN CHIEH-CHENG·Filed 2005·Application pending·0 cites
- 0320US2005040702A1Early warning braking system for automobilesFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →