Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337884 | Single facer | Tadashi Hirakawa, Hiroaki Sasashige, Hiroyuki Takenaka | 1982-07-06 |
| 4316761 | Single facer | Tadashi Hirakawa, Hiroaki Sasashige, Hiroyuki Takenaka | 1982-02-23 |