Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5562227 | Anti-bulging bag-in-box | Taihei Takezawa, Hyozaemon Takanashi, Nobuo Sugimaru, Yutaka Watanabe, Mitsuo Takayanagi +1 more | 1996-10-08 |
| 5067612 | Shrink film package having perforated folded strip | Mikio Tsuchiya, Hirofumi Watanabe | 1991-11-26 |