Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250140 | Device having raised side edge portions for heat-sealing tubular packaging material | Kojiro Hayashi, Fumiyuki Iwano, Yoichi Nishiguchi, Hisao Takahashi, Yoshio Kobashi | 1993-10-05 |
| 5163894 | Female die for paperboard stamper | — | 1992-11-17 |