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Junshin Sakamoto

HC Hitachi Koki Co.: 1 patents #17 of 53Top 35%
Overall (1989): #91,455 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4836349 Clutch type tightening apparatus for allowing free adjustment of tightening force Shun Suzuki, Akinori Tsushima 1989-06-06