YT

Yasutaka Tsuruga

HC Hitachi Construction Machinery Tierra Co.: 4 patents #5 of 21Top 25%
📍 Ryugasaki, JP: #1 of 19 inventorsTop 6%
Overall (2018): #32,984 of 503,207Top 7%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10107311 Hydraulic drive system for construction machine Kiwamu Takahashi, Yoshifumi Takebayashi, Kazushige Mori, Natsuki Nakamura 2018-10-23
10060451 Hydraulic drive system for construction machine Kiwamu Takahashi, Kazushige Mori, Yoshifumi Takebayashi, Natsuki Nakamura, Yasuharu Okazaki +1 more 2018-08-28
9976283 Hydraulic drive system for construction machine Kiwamu Takahashi, Yasuharu Okazaki, Hiroyuki Nobezawa, Kenji Yamada 2018-05-22
9890801 Hydraulic drive system for construction machine Kiwamu Takahashi, Yoshifumi Takebayashi, Kazushige Mori, Natsuki Nakamura 2018-02-13