Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698975 | Engine-operated machine | Shinichi Morohoshi, Tetsuo Iida, Yuji Kishizawa, Shoichi Kato | 1987-10-13 |
| 4629031 | Soundproof engine-operated machine | Shoichi Kato | 1986-12-16 |