Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630514 | Rotary drum shear | Shunji Ohmori, Hiroyuki Takenaka, Akira Hozoji, Kazunori Kono, Seishi Kajihara | 1986-12-23 |
| 4631109 | Single facer | Tadashi Hirakawa, Shigenari Yoshioka, Hiroaki Sasashige | 1986-12-23 |
| 4627831 | Single facer | Tadashi Hirakawa, Shigenari Yoshioka, Hiroaki Sasashige | 1986-12-09 |
| 4238024 | Conveyor device | Tadashi Hirakawa, Toshiaki Kusubayashi | 1980-12-09 |