IY

I-Peng Yao

SC San Fang Chemical Industry Co.: 28 patents #2 of 65Top 4%
BC Bestac Advanced Material Co.: 4 patents #1 of 10Top 10%
📍 Sanmin, TW: #1 of 2 inventorsTop 50%
Overall (All Time): #112,763 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
7815491 Polishing pad, the use thereof and the method for manufacturing the same Chung-Chih Feng, Lyang-Gung Wang, Yung-Chang Hung 2010-10-19
7789738 Sheet for mounting polishing workpiece and method for making the same Chung-Chih Feng, Chen-Hsiang Chao 2010-09-07
7762873 Ultra fine fiber polishing pad Chung-Chih Feng, Chen-Hsiang Chao 2010-07-27
7662028 Polishing pad having groove structure for avoiding stripping of a polishing surface of the polishing pad Chung-Chih Feng, Wei Liu, Yung-Chang Hung, Chun-Ta Wang 2010-02-16
7629554 Sheet for mounting polishing workpiece and method for making the same Chung-Chih Feng, Chen-Hsiang Chao 2009-12-08
7556555 Polishing pad, use thereof and method for manufacturing the same Chung-Chih Feng, Lyang-Gung Wang, Yung-Chang Hung 2009-07-07
7316605 Sheet for mounting polishing workpiece and method for making the same Chung-Chih Feng, Chen-Hsiang Chao 2008-01-08