Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8108242 | Working machine failure information centralized managing system | — | 2012-01-31 |
| 8098128 | Lock control system and method for working machine, working machine, lock control device and lock control management device for working machine | — | 2012-01-17 |
| 8072604 | Apparatus for detecting properties of fuel for working machine | Hidenori Koizumi | 2011-12-06 |
| 7940160 | Lock controller of working machine, and working machine | — | 2011-05-10 |
| 7756736 | Working machine management system | Tetsuya Nakayama, Yukie Nishikawa, Hidenori Koizumi | 2010-07-13 |
| 7283810 | Communication device of mobile unit | Seiichi Mizui, Seiji Kamada, Yoshio Asayama, Noriaki Abe | 2007-10-16 |
| 7183666 | Movable body start-up locking device | Tadashi Morita | 2007-02-27 |
| 7149530 | Device for presenting information to mobile | Seiichi Mizui, Seiji Kamada, Yoshio Asayama, Noriaki Abe | 2006-12-12 |
| 6856879 | Work machine management device | Seiji Kamada | 2005-02-15 |
| 5240350 | Apparatus for detecting position of underground excavator and magnetic field producing cable | Hiroaki Yamaguchi, Tomoyuki Abe, Yasuhiko Ichimura, Yasuo Kanemitsu | 1993-08-31 |
| 4984289 | Apparatus for controlling underground excavator | Tatsuo Mimura | 1991-01-08 |