YI

Yoshihiro Ii

SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
Overall (All Time): #3,352,133 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7351505 Phase shift mask blank, phase shift mask, and pattern transfer method Hiroki Yoshikawa, Yukio Inazuki, Satoshi Okazaki, Takashi Haraguchi, Yuichi Fukushima +1 more 2008-04-01