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Tomoaki Yamashita

HC Hitachi Sumitomo Heavy Industries Construction Crane Co.: 1 patents #1 of 4Top 25%
Overall (2018): #206,531 of 503,207Top 45%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9944502 Cylinder retraction system, boom device and crawler crane — 2018-04-17