Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883078 | Transport system for transporting rod-shaped objects in an air flow | Ichiro Hirose, Takayoshi Sagawa, Katsuo Kato | 1989-11-28 |
| 4861324 | Apparatus for manufacturing tobacco filter | Ichiro Hirose, Motonori Inamura, Takashi Koyama | 1989-08-29 |
| 4815481 | Apparatus for manufacturing filter cigarettes | Ichiro Hirose, Takayoshi Sagawa, Katsuo Kato | 1989-03-28 |