Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8459870 | Interlocking device and packaging bag with interlocking device | Ryo Katada, Kenichi Tanaka | 2013-06-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8459870 | Interlocking device and packaging bag with interlocking device | Ryo Katada, Kenichi Tanaka | 2013-06-11 |