Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WC

Wallace Y. W. Cheng — 4 Patents

LTLightuning Tech.: 4 patents #2 of 16Top 15%
Hsinchu, TW: #4,592 of 13,380 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Wallace Y. W. Cheng has been granted 4 US patents while listed as an inventor at Lightuning Tech.. The first was granted in 2004 and the most recent in August 2006. Wallace Y. W. Cheng ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Wallace Y. W. Cheng in Hsinchu, TW.

Patents per Year

Patents granted per year, 2004 to 2006Bar chart with a peak of 2 patents in 2006.peak 22004: 1 patents20042005: 1 patents20052006: 2 patents2006

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7099497 Capacitive fingerprint sensor Bruce C. S. Chou, Ben Chang 2006-08-29
7071708 Chip-type sensor against ESD and stress damages and contamination interference Bruce C. S. Chou, Chen-Chih Fan 2006-07-04
6900644 Capacitive fingerprint sensor against ESD damage and contamination interference Bruce C. S. Chou, Chen-Chih Fan 2005-05-31
6759264 Pressure type fingerprint sensor fabrication method Bruce C. S. Chou, Ben Chang 2004-07-06