Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Yu-Hsi Yang — 6 Patents

QUQuarton: 5 patents #5 of 34Top 15%
Douliu, TW: #36 of 282 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Yu-Hsi Yang has been granted 6 US patents while listed as an inventor at Quarton. The first was granted in 1999 and the most recent in June 2006. Yu-Hsi Yang ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Yu-Hsi Yang in Douliu, TW.

Patents per Year

Patents granted per year, 1999 to 2006Bar chart with a peak of 1 patents in 1999.peak 11999: 1 patents19992002: 1 patents20022003: 1 patents20032004: 1 patents20042005: 1 patents20052006: 1 patents2006

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D523576 Combination of camera and flashlight Tony K. T. Chen, Li-Wen Wang, Yi-Lung Weng, Chaochi Huang 2006-06-20
6940890 Position and adjustment device using laser module Chao-Chi Huang 2005-09-06
6698130 Holding device for trigger's protection bow Chao-Chi Huang 2004-03-02
6513251 Illuminable laser sight Chao-Chi Huang, Wan-Rone Liou, Chih-Feng Lin 2003-02-04
6438888 Fixture for quickly clipping accessory on pistol Paul Lin 2002-08-27
5905751 Laser modules and methods of manufacturing same Chao-Chi Huang, Tony K. T. Chen, Der-Shyang Jan, Ming-Chung Chiu, Teng-Yuan Chien 1999-05-18