WC

Wen-Chen Chang

IT ITRI: 11 patents #451 of 9,619Top 5%
TSMC: 2 patents #6,667 of 12,232Top 55%
📍 Changhua City, TW: #15 of 984 inventorsTop 2%
Overall (All Time): #131,891 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5875520 Extensible handle device — 1999-03-02
5655260 Adjustable handle device of a suitcase — 1997-08-12
D376097 Wheel holder of a trunk — 1996-12-03
5433461 Structure of hand truck — 1995-07-18