Ya-Ping Chang has been granted 3 US patents while listed as an inventor at Au Optronics . The first was granted in 2013 and the most recent in May 2016. Ya-Ping Chang ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ya-Ping Chang in Zhongpu, TW.
Patents per Year Patents granted per year, 2013 to 2016 Bar chart with a peak of 1 patents in 2013. peak 1 2013: 1 patents 2013 2015: 1 patents 2015 2016: 1 patents 2016
Issued Patents All Time
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Showing 1–3 of 3 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9341950 Method of forming patterned layer, method of forming patterned photoresist layer, and active device array substrate Hsiang-Chih Hsiao , Ta-Wen Liao , Tzu-Min Yang , Shan-Fang Chen , Chi-Hung Yang +1 more 2016-05-17
$187,000
9122162 Exposure apparatus, method of forming patterned layer, method of forming patterned photoresist layer, active device array substrate and patterned layer Hsiang-Chih Hsiao , Ta-Wen Liao , Tzu-Min Yang , Shan-Fang Chen , Chi-Hung Yang +1 more 2015-09-01
$201,000
8427631 Exposure apparatus, method of forming patterned layer, method of forming patterned photoresist layer, active device array substrate and patterned layer Hsiang-Chih Hsiao , Ta-Wen Liao , Chi-Min Yang , Shan-Fang Chen , Chi-Hung Yang +1 more 2013-04-23
$379,000