Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797548 | Self-propelled crushing machine | Yukio Tamura, Satoru Koyanagi, Toru Nakayama | 1998-08-25 |
| 4453512 | Engine overheat prevention system | Masaharu Hattori | 1984-06-12 |
| 4241702 | Noise-proof and air-cooled enclosure for an engine | Sadatoshi Takeuchi, Akio Iida, Kimio Miyake | 1980-12-30 |