Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YT

Yong Te Tsao

BCBehavior Tech Computer: 3 patents #7 of 96Top 8%
Overall (All Time): #1,610,355 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6572289 Pushbutton structure of keyboard Chih Lung Lo, Ching-Chiang Yu 2003-06-03
6570113 Key switch Ching-Chiang Yu 2003-05-27
6489579 Key switch Chih Lung Lo, Ching-Chiang Yu 2002-12-03