Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11953807 | Detection device, mechanical device, and work vehicle | Hiroyuki Chikugo, Haruna Higashi | 2024-04-09 |
| 11501421 | Machine device state monitoring system and machine device state monitoring method | Hiroyuki Chikugo, Haruna Higashi | 2022-11-15 |
| 11401700 | Hydraulic oil monitoring system and hydraulic oil monitoring method | Hiroyuki Chikugo, Haruna Higashi | 2022-08-02 |
| 11293417 | Hydraulic pump and motor | Mutsumi Ono, Mitsuru Ohshiro, Naoya Sodeyama, Jun Nabata | 2022-04-05 |
| 10996164 | Oil state detection device, work machine, management system, and oil state detection method | Hiroyuki Chikugo, Haruna Higashi | 2021-05-04 |
| 10767748 | Mechanical device, working vehicle, and deterioration state estimation system and deterioration state estimation method of machine component | Hiroyuki Chikugo, Mutsumi Ono, Kiyotaka Saitou, Shinya Sano, Takeaki Unno | 2020-09-08 |
| 10753376 | Hydraulic cylinder spool valve device | Masato Kageyama, Mutsumi Ono, Hiroyuki Chikugo, Akira Hasebe, Junichi Fukushima +1 more | 2020-08-25 |
| 10655514 | Mechanical device | Hiroyuki Chikugo, Mutsumi Ono, Takuya Nohara, Yuta Baba, Toshiyuki Matsumoto | 2020-05-19 |
| 10391431 | Strainer device | Hiroyuki Chikugo, Yuta Baba | 2019-08-27 |
| 10100946 | Stroke detection device | Daigoh Fujii, Masato Kageyama | 2018-10-16 |
| 9599225 | Blocking configuration of oil pressure circuit hole | Takuya Nohara, Hiroyuki Chikugo, Mitsumasa Akashi | 2017-03-21 |
| 9309647 | Steering device for wheel loader | Kota Imanishi, Hiroyuki Chikugo, Mitsumasa Akashi, Akira Hasebe, Shuki Akushichi +1 more | 2016-04-12 |
| 9309648 | Steering device for wheel loader | Kota Imanishi, Hiroyuki Chikugo, Mitsumasa Akashi, Akira Hasebe, Shuki Akushichi +1 more | 2016-04-12 |
| 9309646 | Steering device for wheel loader | Kota Imanishi, Hiroyuki Chikugo, Mitsumasa Akashi, Akira Hasebe, Shuki Akushichi +1 more | 2016-04-12 |
| 9085319 | Steering device for wheel loader | Kota Imanishi, Hiroyuki Chikugo, Mitsumasa Akashi, Akira Hasebe, Shuki Akushichi +1 more | 2015-07-21 |
| 8905244 | Oil filter and valve device | Mitsumasa Akashi, Masayuki Tajima | 2014-12-09 |
| 8770087 | Hydraulic servo-drive device and variable turbo-supercharger using the same | Daisuke Kozuka, Masayuki Tajima, Mitsumasa Akashi | 2014-07-08 |
| 8468909 | Electric lever device | Mitsumasa Akashi, Hiroyuki Chikugo | 2013-06-25 |
| 8438848 | Engine with turbocharger and EGR | Takehide Kitagawa, Yasukuni Kawashima, Daisuke Kozuka | 2013-05-14 |
| 8202038 | Variable turbo supercharger and method of driving the same | Toshihiko Nishiyama, Takahisa Iino, Daisuke Kozuka | 2012-06-19 |
| 8186158 | Variable turbo supercharger and method of driving the same | Toshihiko Nishiyama, Takahisa Iino, Daisuke Kozuka | 2012-05-29 |
| 8113184 | EGR valve device | Hideyuki Seiyama, Tadashi Iijima, Daisuke Kozuka, Taisei Okubo | 2012-02-14 |
| 8109090 | Variable turbo supercharger and method of returning oil from hydraulic drive | Toshihiko Nishiyama, Takahisa Iino, Daisuke Kozuka | 2012-02-07 |
| 7644641 | Operating lever device | Masayoshi Mototani, Daisuke Kozuka, Yasuhiro Sato, Koichi Miyake | 2010-01-12 |
| 7621124 | Travel vibration suppressing device for working vehicle | Norihide Mizoguchi, Hisashi Asada, Daisuke Kozuka, Kazunori Ikei | 2009-11-24 |