KY

Kazuhiro Yamashita

Sumitomo Electric Industries: 2 patents #124 of 1,127Top 15%
Overall (1989): #22,621 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4870289 Apparatus for controlling relation in position between a photomask and a wafer Takeo Sato, Shinichiro Aoki, Katsumasa Yamaguchi, Tadashi Kaneko, Noboru Nomura +1 more 1989-09-26
4828392 Exposure apparatus Noboru Nomura, Takayoshi Matsumura, Midori Yamaguchi 1989-05-09