Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12254720 | Ticket issuing system, and ticket checking apparatus | Keiji Ito | 2025-03-18 |
| 12230086 | Information processing server, information processing system, determination device, and method | Keiji Ito | 2025-02-18 |
| 11941919 | Ticket issuing system, and ticket checking apparatus | Keiji Ito | 2024-03-26 |