Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8668562 | Game piece and method of playing game using same | Tsunekazu Ishihara, Masayuki Miura | 2014-03-11 |
| 7731194 | Game piece and method of playing game using same | Tsunekazu Ishihara, Masayuki Miura | 2010-06-08 |
| 6314233 | Information signal reproducing apparatus | — | 2001-11-06 |
| 5862296 | Information signal reproducing apparatus | — | 1999-01-19 |