Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D341166 | Toy | — | 1993-11-09 |
| D336118 | Toy vehicle | — | 1993-06-01 |
| D322641 | Toy vehicle | Takehiko Takahashi, Yoshiyasu Ishii, Taira Hanashima | 1991-12-24 |
| D317334 | Toy vehicle | Takehiko Takahashi, Yoshiyasu Ishii, Taira Hanashima | 1991-06-04 |