Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016721 | Full-turn type working machine | Nobuyoshi Yamamoto, Fumimasa Saeki, Hirosige Kurosaka | 1991-05-21 |
| 4907667 | Full-turn type working machine | Nobuyoshi Yamamoto, Fumimasa Saeki, Hirosige Kurosaka | 1990-03-13 |
| 4464898 | Hydraulic power system | Yukio Aoyagi, Shuichi Ichiyama | 1984-08-14 |