YT

Yasutaka Tsuruga

HC Hitachi Construction Machinery Co.: 55 patents #7 of 1,234Top 1%
HC Hitachi Construction Machinery Tierra Co.: 7 patents #9 of 55Top 20%
📍 Ryugasaki, JP: #3 of 114 inventorsTop 3%
Overall (All Time): #35,397 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 26–50 of 63 patents

Patent #TitleCo-InventorsDate
11149413 Construction machine Shinji Ishihara, Hidekazu Moriki, Manabu Edamura, Hiroshi Sakamoto, Yuuichirou Morita 2021-10-19
11124166 Vehicular brake system Takaaki Tanaka, Takanobu Ikari, Takayuki Satou, Takashi Sasaki 2021-09-21
10995475 Construction machine Seiji Hijikata, Kouji Ishikawa, Kiwamu Takahashi, Masatoshi Hoshino 2021-05-04
10907666 Hydraulic drive system Seiji Hijikata, Kenji Hiraku, Kouji Ishikawa 2021-02-02
10633825 Construction machine Hidekazu Moriki, Hiroshi Sakamoto, Hiroaki Tanaka 2020-04-28
10626575 Control system for construction machine Hiroyuki Kobayashi, Hiroshi Sakamoto, Yoshiyuki Tsuchie, Hidekazu Moriki 2020-04-21
10604914 Control system for hydraulic construction machine Hidekazu Moriki, Ryu NARIKAWA, Hiroaki Tanaka, Hiroshi Sakamoto 2020-03-31
10533303 Construction machine to adjust operation reaction force of an operating lever Yoshiyuki Tsuchie, Hiroshi Sakamoto, Hidekazu Moriki 2020-01-14
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
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
9845589 Hydraulic drive system for construction machine Kiwamu Takahashi 2017-12-19
9347203 Electric drive unit for construction machine Kiwamu Takahashi, Tatsuo Takishita, Hajime Kurikuma 2016-05-24
9200431 Hydraulic drive system for construction machine Kazushige Mori, Kiwamu Takahashi, Yoshifumi Takebayashi 2015-12-01
9187880 Electric drive unit for construction machine Kiwamu Takahashi, Tatsuo Takishita, Hajime Kurikuma 2015-11-17
8919109 Hydraulic drive system for construction machine having exhaust gas purification device Kiwamu Takahashi, Hajime Yoshida, Yoshifumi Takebayashi, Kazushige Mori 2014-12-30