HN

Hiroyuki Nobezawa

HC Hitachi Construction Machinery Tierra Co.: 2 patents #22 of 55Top 40%
Overall (All Time): #1,930,571 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10215198 Hydraulic drive system for construction machine Kiwamu Takahashi, Yasutaka Tsuruga, Yoshifumi Takebayashi, Kazushige Mori, Natsuki Nakamura +2 more 2019-02-26
9976283 Hydraulic drive system for construction machine Yasutaka Tsuruga, Kiwamu Takahashi, Yasuharu Okazaki, Kenji Yamada 2018-05-22