Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429333 | Specimen machining device and specimen machining method | Tatsuhito Kimura, Munehiro Kozuka | 2025-09-30 |
| 11008733 | Energy regeneration device and work machine provided with energy regeneration device | Satoshi Maekawa | 2021-05-18 |
| 10920757 | Liquid pressure rotary machine | Kei Morita, Satoshi Maekawa | 2021-02-16 |
| 10895063 | Energy regeneration device and work machine provided with energy regeneration device | Satoshi Maekawa | 2021-01-19 |
| 10808686 | Hydraulic rotary machine | Satoshi Maekawa, Kei Morita | 2020-10-20 |
| 10801181 | Energy regeneration device and work machine provided with energy regeneration device | Satoshi Maekawa | 2020-10-13 |
| 10794512 | Electrically-driven flow rate control valve | Kei Morita, Satoshi Maekawa, Takayuki Igaue | 2020-10-06 |
| 10767787 | Electrically-driven flow rate control valve | Kei Morita, Satoshi Maekawa, Takayuki Igaue | 2020-09-08 |
| 10738798 | Energy recovery device and energy recovery method | Satoshi Maekawa, Yoshio Inoue, Motomichi Sonobe | 2020-08-11 |
| 10704229 | Hydraulic driving apparatus of work machine | Shohei UEMURA, Naoto Hori, Satoshi Maekawa | 2020-07-07 |
| 10400802 | Hydraulic drive device | — | 2019-09-03 |
| 10392780 | Work machine hydraulic drive device | Naoto Hori, Satoshi Maekawa | 2019-08-27 |
| 9790659 | Hydraulic shovel | Takao Nanjo, Shota Oguma, Satoshi Maekawa, Koji Ueda | 2017-10-17 |
| 9777750 | Hydraulic driving apparatus for working machine | Takayuki Igaue, Mitsunori Hirozawa | 2017-10-03 |
| 9650232 | Hydraulic drive apparatus for work machine | Naoto Hori, Takaharu Michida | 2017-05-16 |
| 9528531 | Hydraulic drive apparatus for work machine | Naoto Hori, Takaharu Michida | 2016-12-27 |
| 9316236 | Hydraulic driving apparatus for working machine | Hiroo Kondo, Takaharu Michida, Katsuki Yamagata, Naoto Hori, Naoya Kitazumi +1 more | 2016-04-19 |
| 9187297 | Hydraulic driving apparatus for working machine | Satoshi Maekawa, Katsuki Yamagata, Takaharu Michida, Hiroo Kondo, Naoya Kitazumi +1 more | 2015-11-17 |
| 9181070 | Hydraulic driving apparatus for working machine | Satoshi Maekawa, Katsuki Yamagata, Takaharu Michida, Hiroo Kondo, Naoya Kitazumi +1 more | 2015-11-10 |
| 8336305 | Hydraulic drive device and working machine with the same | Yuuji Matsuura, Takao Nanjo, Hiroshi Togo, Hidekazu Oka | 2012-12-25 |
| 7659677 | Rotation brake method and device for working machine | Hideaki Yoshimatsu, Masayuki Komiyama, Koji Inoue | 2010-02-09 |
| 7610755 | Hydraulic control apparatus of working machine | Etsujiro Imanishi, Takao Nanjo, Hidekazu Oka | 2009-11-03 |
| 7421890 | Tire HIL simulator | Etsujiro Imanishi, Koichi Honke, Akira Tsutsui, Takao Nanjo, Yoshihiro Suda | 2008-09-09 |
| 7392653 | Hydraulic control system for working machine | — | 2008-07-01 |
| 7174711 | Hydraulic control system and construction machine | Takao Nanjo, Etsujiro Imanishi, Yutaka Toji, Hidekazu Oka | 2007-02-13 |