Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10552093 | Electronic device and recording medium | — | 2020-02-04 |
| 5594787 | Call toll processing method and call toll processing apparatus | Kenichi Ohshima, Jun Ishikawa, Koji Kudoh | 1997-01-14 |