TS

Takeo Sato

Sumitomo Electric Industries: 3 patents #67 of 1,127Top 6%
📍 Imizu, JP: #1 of 2 inventorsTop 50%
Overall (1989): #6,858 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4870289 Apparatus for controlling relation in position between a photomask and a wafer Shinichiro Aoki, Katsumasa Yamaguchi, Tadashi Kaneko, Noboru Nomura, Keisuke Koga +1 more 1989-09-26
4861148 Projection optical system for use in precise copy Nobuhiro Araki, Koichi Kawata, Noboru Nomura, Atushi Ueno, Shotaro Yoshida 1989-08-29
4844568 Scanning type projection exposure system Masaki Suzuki, Hiroyuki Nagano, Toshiyuki Watanabe 1989-07-04