Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6610438 | Seal type storage battery | Nobuhito Okumura, Takuya Tamagawa, Hisashi Kakiuchi, Hiroki Katayama, Hiroyuki Inoue +1 more | 2003-08-26 |
| 6568898 | Hydraulic shovel with hoisting hook | Takumi Nagahara | 2003-05-27 |
| 6564548 | Speed control apparatus of working vehicle and speed control method thereof | Takumi Nagahara | 2003-05-20 |
| 6546724 | Work machine including finely adjustable operation modes | Takumi Nagahara, Takanori Hata | 2003-04-15 |