Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D446553 | Educational toy | Katsumi Araki, Makoto Takezaki | 2001-08-14 |
| D436142 | Educational toy | Katsumi Araki, Makoto Takezaki | 2001-01-09 |
| D300937 | Toy sketching device | Herbert C. Weiland | 1989-05-02 |