Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329739 | Construction machine | Masatoshi Hoshino, Yasutaka Tsuruga, Kiwamu Takahashi | 2019-06-25 |
| 10301793 | Hydraulic drive system for work machine | Kouji Ishikawa, Takatoshi Ooki, Shinya Imura | 2019-05-28 |
| 10280594 | Hydraulic energy regeneration system for work machine | Kouji Ishikawa, Shinya Imura | 2019-05-07 |
| 10280593 | Hydraulic fluid energy regeneration device for work machine | Kouji Ishikawa, Takatoshi Ooki, Shinya Imura | 2019-05-07 |
| 10273658 | Construction machine | Kouji Ishikawa, Yasutaka Tsuruga, Masatoshi Hoshino, Kiwamu Takahashi | 2019-04-30 |
| 10227997 | Hydraulic drive system for work machine | Kouji Ishikawa, Shinya Imura | 2019-03-12 |
| 10221871 | Construction machinery | Shinya Imura, Hidetoshi Satake, Kouji Ishikawa, Takatoshi Ooki, Shinji Nishikawa | 2019-03-05 |
| 10161108 | Hydraulic fluid energy recovery system for work | Kouji Ishikawa, Takatoshi Ooki, Shinya Imura | 2018-12-25 |
| 10066368 | Hydraulic fluid energy recovery apparatus for work machine | Hidetoshi Satake, Shinya Imura, Shinji Nishikawa | 2018-09-04 |
| 10030361 | Construction machine | Kouji Ishikawa, Takatoshi Ooki, Shinya Imura | 2018-07-24 |
| 9926950 | Hydraulic system for construction machinery | Takatoshi Ooki, Kouji Ishikawa | 2018-03-27 |
| 9926951 | Energy regeneration system for construction machine | Takatoshi Ooki | 2018-03-27 |
| 9598842 | Construction machinery | Shinya Imura, Hidetoshi Satake, Kouji Ishikawa, Tomoaki Kaneta | 2017-03-21 |
| 9574328 | Power regeneration device for working machine and working machine | — | 2017-02-21 |
| 9394670 | Construction machine | Kouji Ishikawa, Takatoshi Ooki, Shinya Imura | 2016-07-19 |
| 9284718 | Power regeneration device for operating machine | Kazuo Fujishima | 2016-03-15 |
| 8659177 | Motive power regeneration system for working machine | Kazuo Fujishima, Mitsuo Sonoda | 2014-02-25 |
| 8430614 | Post-installed anchor | Toshiharu Ito | 2013-04-30 |