Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697775 | Travel distance calculation device, charging system, travel distance calculation method, program, and storage medium | Yoshifumi HAYAKAWA | 2020-06-30 |
| 5455408 | Magnetic recording circuit for toll road ticket | Hideo Urata, Shigeru Jojo, Riichiro Yamashita, Nobuhide Hirako | 1995-10-03 |
| 5274218 | Magnetic recording method and circuit for toll road ticket | Hideo Urata, Shigeru Jojo, Riichiro Yamashita, Nobuhide Hirako | 1993-12-28 |