Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149095 | Ball conveying game apparatus | Masanori Mizunuma | 1992-09-22 |
| 5098111 | Ornamental game with underwater moving mechanism | — | 1992-03-24 |
| 4995606 | Board game | — | 1991-02-26 |