AT

Akinori Tsushima

HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
Overall (All Time): #3,929,436 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

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