Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947793 | Self-propelling rolling toy | — | 1999-09-07 |
| 5924909 | Self-propelling rolling toy | — | 1999-07-20 |
| 5902169 | Toy with changing facial expression | — | 1999-05-11 |
| 4475305 | Toy vehicle with inertia wheel | Hirotarou Kawakami, Hiroshi Yasuda, Teruhiko Kitaoka | 1984-10-09 |