Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D268193 | Toy animal | Shinroku Nakao, Yoshiyasu Ishii | 1983-03-08 |
| D265749 | Toy rattle | Shinroku Nakao, Yoshiyasu Ishii | 1982-08-10 |
| D265665 | Rattle toy | Shinroku Nakao, Yoshiyasu Ishii | 1982-08-03 |
| D264630 | Teething toy | Shinroku Nakao, Yoshiyasu Ishii | 1982-05-25 |