Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10668360 | Card collection storage and card processing device | Keiji Ohta | 2020-06-02 |
| 10586134 | Card issuing device | Keiji Ohta | 2020-03-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10668360 | Card collection storage and card processing device | Keiji Ohta | 2020-06-02 |
| 10586134 | Card issuing device | Keiji Ohta | 2020-03-10 |