TC

Ting Hu Chang

LO Logitech: 1 patents #48 of 121Top 40%
LS Logitech Europe S.A.: 1 patents #644 of 1,028Top 65%
Overall (All Time): #2,216,816 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6429848 Optical-mechanical roller with ratchet Antoine Merminod, Marc Bidiville 2002-08-06
6157369 Optical-mechanical roller with ratchet Antoine Merminod, Marc Bidiville 2000-12-05