Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976651 | Propylene packaging laminate comprising methylpentene resin blend layer | Yasuo Tatsumi, Mamoru Yoshimoto | 1999-11-02 |
| 5932305 | Composite sheet and sealed container | — | 1999-08-03 |
| 5316603 | Easily openable sealed container and process for producing the same | Tadao Takagaki | 1994-05-31 |
| 5176314 | Easily openable sealed container | Tadao Takagaki | 1993-01-05 |