Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6349252 | Information management device for construction machinery | Noritaka Nagata, Jin Yogita, Hideaki Saito, Haruo Hashimoto | 2002-02-19 |
| 6256594 | Machine fault monitoring apparatus and method | Shigeru Yamamoto, Takao Nagai, Sadachika Akiyama, Jiro Akagi, Nobuki Hasegawa +2 more | 2001-07-03 |
| 6141629 | Method and apparatus for determining machine maintenance due times | Shigeru Yamamoto, Takao Nagai, Sadachika Akiyama, Jiro Akagi, Nobuki Hasegawa +2 more | 2000-10-31 |
| 5714719 | Workload detecting system for excavating and loading apparatus | Kazuo Otsuka, Kenzo Kimoto, Minpei Shoda | 1998-02-03 |
| 5696331 | Apparatus for detecting metal powder amount in hydraulic circuit | Kazuo Otsuka, Kenzo Kimoto, Minpei Shoda | 1997-12-09 |
| 5447132 | Control system for multiple engines | Minpei Shoda | 1995-09-05 |