Inventor · disambiguated record
Pen Yen Chang
Also filed as: CHANG PEN-YEN
1 granted patent·2 pending applications·26 citations·filing 2005–2006
43Inventor score
Top patents by PatentIndex Score
3 records- 0174US7186146B1Electric appliance/extension cord assembly with electromagnetic radiation-shielding functionCHANG PEN YEN·Filed 2006·Granted Mar 6, 2007·26 cites·3 claims
- 0230US2006216139A1Advanced ventilator vane structureCHANG PEN-YEN·Filed 2005·Application pending·0 cites
- 0329US2007181325A1Extension Cord with Electromagnetic Radiation-Shielding FunctionLIAO KUO HUNG·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →