Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744205 | Semi-sealed or sealed package for preserving produce composed of resin covered paper | Yoshitake Kawai, Kazuo Taira | 1998-04-28 |
| 5213227 | Container having excellent preservability for content and heat-sealability | Masayasu Koyama, Toshifumi Tanahashi, Toshio Goryoda | 1993-05-25 |
| 4885897 | Method of making hermetically sealed container | Toshio Gryouda, Shouichi Inaba, Michio Watanabe | 1989-12-12 |