Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11408531 | Spool valve | Shinji Narita, Hideki Tanaka, Kazuya Matsumoto | 2022-08-09 |
| 10590963 | Hydraulic excavator drive system | Akihiro Kondo, Hideyasu Muraoka | 2020-03-17 |
| 10273988 | Fluid pressure system | Akihiro Kondo, Makoto Ito | 2019-04-30 |
| 10167611 | Hydraulic excavator drive system | Akihiro Kondo, Makoto Ito | 2019-01-01 |
| 10066610 | Tilting angle control device | Masahiro Yamada, Hideyasu Muraoka, Ryo Yamamoto | 2018-09-04 |
| 10041224 | Liquid-pressure driving system | Akihiro Kondo, Makoto Ito | 2018-08-07 |
| 9932995 | Hydraulic excavator drive system | Akihiro Kondo, Makoto Ito | 2018-04-03 |
| 9821840 | Hydraulic control device and construction machinery including same | Makoto Ito, Ryo Yamamoto, Hiroyasu Kodera, Shinichiro Tanaka | 2017-11-21 |
| 6845702 | Hydraulic controller | Toyoaki Sagawa, Kimihiko Murase | 2005-01-25 |
| 6125886 | Pilot valve | Toyoaki Sagawa, Koji Sakashita, Yoshio Togashi | 2000-10-03 |