Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10279273 | Trading card and trading card set | Kenko Kawahara, Hideaki Kamata, Norio Asakura | 2019-05-07 |
| 9855506 | Trading card and trading card set | Kenko Kawahara, Hideaki Kamata, Norio Asakura | 2018-01-02 |