Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7886768 | Hydraulic fluid tank | Hidehiko Kobayashi | 2011-02-15 |
| 7607296 | Device and method of controlling hydraulic drive of construction machinery | Koji Ohigashi, Takashi Kawakami | 2009-10-27 |
| 6708787 | Hybrid construction equipment | Masami Naruse, Masatake Tamaru | 2004-03-23 |
| 6678972 | Hybrid construction equipment | Masami Naruse, Masatake Tamaru | 2004-01-20 |
| 6675508 | Hydraulic shovel | Masatake Tamaru, Masami Naruse | 2004-01-13 |
| 6578296 | Hydraulically driven type working machine | Masatake Tamaru, Masami Naruse, Sadao Nunotani, Jun Maruyama, Kenji Kanemaru +1 more | 2003-06-17 |
| 6474756 | Rubber crawler belt | Kazutoshi Hori, Hiroaki Watanabe, Masatake Tamaru | 2002-11-05 |
| D463807 | Operator cabin of power shovel | Masatake Tamaru, Masami Naruse, Tetsuyuki Hirano | 2002-10-01 |
| D463459 | Operator's seat for construction machinery | Masatake Tamaru, Masami Naruse, Tetsuyuki Hirano | 2002-09-24 |
| D462973 | Power shovel | Masatake Tamaru, Masami Naruse, Tetsuyuki Hirano | 2002-09-17 |
| 5947695 | Control device for a variable displacement hydraulic pump | Kou Nagaoka | 1999-09-07 |
| 5714719 | Workload detecting system for excavating and loading apparatus | Kazuo Otsuka, Kunihiko Imanishi, Minpei Shoda | 1998-02-03 |
| 5696331 | Apparatus for detecting metal powder amount in hydraulic circuit | Kazuo Otsuka, Kunihiko Imanishi, Minpei Shoda | 1997-12-09 |
| 5555944 | Twin-scrape dozer | — | 1996-09-17 |
| 5516176 | Resilient supporting device for operator cabin | Masakazu Yanagisawa | 1996-05-14 |