KN

Kazuhiko Nishiyama

HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
Overall (All Time): #3,572,528 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D437602 Hydraulic excavator Kazuhiko Hiraoka, Shingo Hirose, Akitaka Takeuchi, Yoshiki Yoshida, Toichi Hirata +5 more 2001-02-13