Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4675824 | Method of replacing a tolling system for toll roads | Ryokichi Wada, Kingo Sakamoto | 1987-06-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4675824 | Method of replacing a tolling system for toll roads | Ryokichi Wada, Kingo Sakamoto | 1987-06-23 |