Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850930 | Animated toy | Hidehiko Yamaguchi | 1989-07-25 |
| 4826472 | Toothed belt | Mitsuho Yamada, Shigehiro Isshiki | 1989-05-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850930 | Animated toy | Hidehiko Yamaguchi | 1989-07-25 |
| 4826472 | Toothed belt | Mitsuho Yamada, Shigehiro Isshiki | 1989-05-02 |