Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187496 | Plastic cap | — | 2025-01-07 |
| 9511905 | Synthetic resin container closure and combination of same and container | Youichi Tsujiguchi, Shinji Oomori, Mitsuo Kumata, Hiroomi Matsutani, Yuji Tomitaka +1 more | 2016-12-06 |
| 9493284 | Capped spout | Orihiro Tsuruta, Naoyuki Abe | 2016-11-15 |
| 7575121 | Plastic cap featuring excellent sealing and venting | Yuji Tomitaka, Manabu Aihara, Shinya Matsumoto | 2009-08-18 |