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Masateru Watanabe

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #78,147 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4807212 Correcting for comatic aberration in an optical head of an optical disk apparatus Tokuya Kaneda, Akira Saito, Tomoji Osumi, Nobuo Suzuki 1989-02-21