Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6931732 | Bush cutting machine | Takao Kobayashi, Atsushi Kojima, Kenjiro Hiratsuna | 2005-08-23 |
| 6823591 | Bush cutting machine | Takao Kobayashi, Atsushi Kojima, Kenjiro Hiratsuna | 2004-11-30 |
| 6591507 | Operational lever for bush cutter | Takao Kobayashi, Atsushi Kojima, Kenjiro Hiratsuna | 2003-07-15 |
| 6578270 | Bush cutting machine | Kenjiro Hiratsuna, Takao Kobayashi, Atsushi Kojima | 2003-06-17 |