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

Yi-Chen Chang — 9 Patents

AGAgs: 4 patents #29 of 122Top 25%
AOAu Optronics: 3 patents #977 of 2,945Top 35%
FLFlex: 1 patents #79 of 184Top 45%
Mississauga, CA: #392 of 3,799 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Yi-Chen Chang has been granted 9 US patents while listed as an inventor at Ags. The first was granted in 2005 and the most recent in March 2023. Yi-Chen Chang ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Yi-Chen Chang in Mississauga, ON, CA.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11617260 Multi-board mid-plane providing superior thermal performance, enhanced connector placement, and enhanced electrical signal trace routing channels Ketan K. Patel, Sashi J. Vijayan, Jeffrey H. Gruger, Wen Tien Wang, Po-Jen Huang +2 more 2023-03-28 $30,616,000
10176668 Games and gaming machines having game symbol replacement feature Emilio Galasso 2019-01-08
9275521 Method of adapting a class II game to provide the play characteristics of a class III game Inna Lifchits, Olaf Vancura 2016-03-01
9275522 Method of adapting a class II game to provide the play characteristics of a class III game Inna Lifchits, Olaf Vancura 2016-03-01
8439742 Method of adapting a class II game to provide the play characteristics of a class III game Inna Lifchits, Olaf Vancura 2013-05-14
7429969 Method for driving a current-driven active matrix organic light emitting diode pixel 2008-09-30 $1,843,000
7129636 Active matrix organic electroluminescent device and fabrication method thereof 2006-10-31 $2,200,000
7055158 CD drive magazine locking apparatus Tao-Yuan Chang 2006-05-30
6933912 Operation voltage auto-adjustable active matrix organic light emitting diode circuit and auto-adjusting method thereof Shuohsiu Hu 2005-08-23 $4,960,000