KI

Kouji Ishikawa

HC Hitachi Construction Machinery Co.: 3 patents #2 of 56Top 4%
Overall (2011): #43,202 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8006491 Pump control apparatus for construction machine Akihiro Narazaki, Nobuei Ariga 2011-08-30
7895833 Hydraulic drive apparatus Yusuke Kajita, Hideo Karasawa 2011-03-01
7891458 Steering system for engineering vehicle Kazunori Nakamura, Tsuyoshi Nakamura, Hiroyuki Azuma, Kentarou Itoga 2011-02-22