Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9085124 | Heat-sealable layered polypropylene resin film and package | Kenji Kawai, Naonobu Oda, Tadashi NAKAYA, Tooru Imai, Yuka Sako | 2015-07-21 |
| 8043712 | Heat-sealable multilayer polypropylene resin film and packaging material | Kenji Kawai | 2011-10-25 |
| 7879439 | Polypropylene laminate film, and package comprising the same | Kenji Kawai | 2011-02-01 |