KK

Keisuke Koga

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
📍 Osaka, JP: #46 of 85 inventorsTop 55%
Overall (1989): #88,471 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 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