Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12208939 | Can lid | Hirokazu Konagaya, Tadayoshi Iwamaru, Akira Yamamoto, Katsumi Ohshima | 2025-01-28 |
| 12157160 | Can lid | Hirokazu Konagaya, Tadayosi Iwamaru, Akira Yamamoto, Katsumi Ohshima, Junji Matsumura | 2024-12-03 |