CC

Chia-Tsung Chang

SU Southern Taiwan University: 2 patents #2 of 15Top 15%
📍 Nantou, TW: #1 of 13 inventorsTop 8%
Overall (2011): #108,795 of 364,097Top 30%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8038510 Apparatus and method for spiral polishing with electromagnetic abrasive Hsinn-Jyh Tzeng, Ming Li Wu, Jen-Chou Hsiung, Yan-Cherng Lin, Shun-Fua Su 2011-10-18
7938716 Apparatus and method for spiral polishing with electromagnetic abrasive Hsinn-Jyh Tzeng, Ming Li Wu, Jen-Chou Hsiung, Yan-Cherng Lin, Shun-Fua Su 2011-05-10