Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D362600 | Bush cutter head | Katsumi Kiyooka | 1995-09-26 |
| D356013 | Hedge trimmer | Katsumi Kiyooka, Masaya Hashimoto | 1995-03-07 |
| D353382 | Internal combustion engine | Katsumi Kiyooka, Toshihisa Nemoto | 1994-12-13 |
| D353084 | Bush cutter | Katsumi Kiyooka, Kouichi Shinoisuka | 1994-12-06 |
| D352214 | Bush cutter | Katsumi Kiyooka, Kouichi Shinotsuka | 1994-11-08 |
| D349022 | Power unit shaft attachment for cutting implements | Katsumi Kiyooka | 1994-07-26 |
| D347772 | Hedge trimmer | Katsumi Kiyooka, Masaya Hashimoto | 1994-06-14 |
| D324221 | Internal combustion engine | Katsumi Kiyooka | 1992-02-25 |