Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482510 | Amusement device passing within tube | Hiroji Ishii, Satoru Yoshida, Isamu Okuzumi | 1996-01-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482510 | Amusement device passing within tube | Hiroji Ishii, Satoru Yoshida, Isamu Okuzumi | 1996-01-09 |