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Yuichi Yamada

Canon: 2 patents #404 of 1,756Top 25%
Overall (1994): #15,104 of 165,921Top 10%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5361122 Autofocusing device and projection exposure apparatus with the same Yoshiharu Kataoka, Akiyoshi Suzuki 1994-11-01
5323016 Focusing method Yoshiharu Kataoka, Hiroyoshi Kubo, Haruna Kawashima 1994-06-21