PS

Pei-Feng Sun

Overall (2004): #138,058 of 270,089Top 55%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6828196 Trench filling process for preventing formation of voids in trench Shih-Chi Lai, Mao-Song Tseng, Yi-Fu Chung 2004-12-07