Inventor · disambiguated record
Chi-Chia Chang
Also filed as: CHANG CHI-CHIA
2 granted patents·1 pending application·111 citations·filing 2002–2002
68Inventor score
Files withOWNWAY BIOTRONICS INC3
Top patents by PatentIndex Score
3 records- 0184US6930590B2Modular electrotactile system and methodOWNWAY BIOTRONICS INC·Filed 2002·Granted Aug 16, 2005·86 cites·40 claims
- 0273US7190352B2Method and apparatus of electrotactile panel with pointing systemOWNWAY BIOTRONICS INC·Filed 2002·Granted Mar 13, 2007·25 cites·11 claims
- 0345US2004041743A1Display apparatus and method for distributed modules of light-emitting elementsOWNWAY BIOTRONICS INC·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →