Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180293 | Synthetic resin container lid | Satoru Shimada, Takashi Sugiyama | 2021-11-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180293 | Synthetic resin container lid | Satoru Shimada, Takashi Sugiyama | 2021-11-23 |