YT

Yasutaka Tsuruga

HC Hitachi Construction Machinery Co.: 6 patents #5 of 136Top 4%
HC Hitachi Construction Machinery Tierra Co.: 2 patents #5 of 24Top 25%
📍 Ryugasaki, JP: #1 of 12 inventorsTop 9%
Overall (2019): #12,158 of 560,194Top 3%
8
Patents 2019

Issued Patents 2019

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10450725 Construction machine Hiroyuki Kobayashi, Hiroshi Sakamoto 2019-10-22
10450722 Control system for construction machine Hidekazu Moriki, Hiroshi Sakamoto, Tadashi Osaka, Ryu NARIKAWA 2019-10-22
10435870 Construction machine Ryu NARIKAWA, Hidekazu Moriki, Hiroshi Sakamoto, Shiho Izumi 2019-10-08
10400797 Hydraulic control system for working machine Tsutomu Udagawa, Hiroaki Tanaka, Kazunori Nakamura 2019-09-03
10329739 Construction machine Masatoshi Hoshino, Kiwamu Takahashi, Seiji Hijikata 2019-06-25
10287751 Hydraulic drive system for working machine including track device of crawler type Kazushige Mori, Kiwamu Takahashi, Yoshifumi Takebayashi 2019-05-14
10273658 Construction machine Seiji Hijikata, Kouji Ishikawa, Masatoshi Hoshino, Kiwamu Takahashi 2019-04-30
10215198 Hydraulic drive system for construction machine Kiwamu Takahashi, Yoshifumi Takebayashi, Kazushige Mori, Natsuki Nakamura, Yasuharu Okazaki +2 more 2019-02-26