Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662619 | Hydraulic apparatus | — | 2020-05-26 |
| 9850885 | Engine overload prevention using a speed differential operated relief valve | — | 2017-12-26 |
| 8863179 | Digital broadcast receiver | — | 2014-10-14 |
| 8713931 | Hydraulic circuit for working machine | Riki Fujita, Masaaki Yamashita, Nagahiro Ogata, Yousuke Yamashita | 2014-05-06 |
| 8523139 | Selector valve operating mechanism for working vehicle | Nagahiro Ogata, Masaaki Yamashita | 2013-09-03 |
| 7958657 | Fixing structure of work machine | Yasuo Tokieda, Hayato Tsuji, Syoubu Aramaki | 2011-06-14 |
| 7895834 | Hydraulic stepless transmission | — | 2011-03-01 |
| 7877993 | Shift operating device for traveling vehicle | — | 2011-02-01 |
| 7832519 | Frame structure for working vehicle | Kouichi Takata, Nagahiro Ogata, Yousuke Yamashita, Makiko Tajima, Hiroaki Ayabe | 2010-11-16 |
| 7779630 | Hydraulic stepless speed changing device | — | 2010-08-24 |
| 7775556 | Frame structure for working vehicle | Kouichi Takata, Nagahiro Ogata, Yousuke Yamashita, Makiko Tajima | 2010-08-17 |
| 7712573 | Working vehicle | — | 2010-05-11 |
| D529932 | Tractor | Masaaki Yamashita, Hiroaki Ayabe, Seiji Sakada, Makiko Tajima | 2006-10-10 |
| 7093434 | Hydraulic continuously variable transmission and power transmission apparatus | Shuji Shiozaki, Takeshi Oouchida, Hiroshi Matsuyama, Hisanori Mori, Yukio Kubota | 2006-08-22 |
| D523027 | Tractor | Masaaki Yamashita, Hiroaki Ayabe, Seiji Sakada, Makiko Tajima | 2006-06-13 |
| 6684634 | Swash plate angle control mechanism of hydraulic continuously variable transmission | — | 2004-02-03 |
| 6616559 | Continuously variable transmission | Yasuhiko Hori, Junichi Hitachi, Yukio Kubota | 2003-09-09 |
| 5130074 | Method and apparatus for manufacturing a skin-covered article | Terumi Akazawa, Yoshiaki Matsuo, Harumi Suehiro | 1992-07-14 |