Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887732 | Easy-open lid in which score cut edge can be covered and process for preparation thereof | Hiroshi Matsubayashi, Masanori Aizawa, Michio Watanabe, Takashi Shimizu | 1989-12-19 |
| 4586863 | Apparatus for shaping an metallic pull ring and simultaneously connecting it to a container closure | Kenji Morimoto, Masao Naito, Tateo Kubo, Shinichi Kizawa | 1986-05-06 |