Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883078 | Transport system for transporting rod-shaped objects in an air flow | Ichiro Hirose, Takayoshi Sagawa, Shichisei Tani | 1989-11-28 |
| 4815481 | Apparatus for manufacturing filter cigarettes | Ichiro Hirose, Takayoshi Sagawa, Shichisei Tani | 1989-03-28 |