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

Jun-Kai Chang — 3 Patents

AOAu Optronics: 3 patents #977 of 2,945Top 35%
Chiayi, TW: #154 of 506 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Jun-Kai Chang has been granted 3 US patents while listed as an inventor at Au Optronics. The first was granted in 2009 and the most recent in August 2011. Jun-Kai Chang ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Jun-Kai Chang in Chiayi, TW.

Patents per Year

Patents granted per year, 2009 to 2011Bar chart with a peak of 1 patents in 2009.peak 12009: 1 patents20092010: 1 patents20102011: 1 patents2011

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7989243 Method for fabricating pixel structure Ta-Wen Liao, Chen-Pang Tung, Chia-Ming Chang, Zong-Long Jhang, Che-Yung Lai +4 more 2011-08-02 $720,000
7645649 Method for fabricating pixel structure Che-Yung Lai, Zong-Long Jhang, Chia-Chi Tsai, Chen-Pang Tung, Chia-Ming Chang +5 more 2010-01-12 $1,582,000
7598102 Method for fabricating pixel structure Chou-Huan Yu, Chun-Yi Chiang, Chia-Chi Tsai, Chen-Pang Tung, Hsiang-Chih Hsiao +5 more 2009-10-06 $1,322,000