Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797465 | Multi-shaft drilling unit | Mitsuhiro Shibasaki, Hiroaki Kubo, Akira Mori, Hachiro Hatakeda, Tetsuo Nakamura | 1998-08-25 |
| 5050320 | Multi-shaft kneading auger system | Mitsuhiro Shibazaki | 1991-09-24 |