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Akiyoshi Ishida

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,600,048 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6318518 Rotor for eddy current retarder Kenjiro Shinohara, Nobutaka Kishine 2001-11-20