Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11361049 | History management method | Koji Sasaki | 2022-06-14 |
| 10678883 | History management method | Koji Sasaki | 2020-06-09 |
| 8346296 | Portable telephone | Koji Sasaki, Atsushi Ito | 2013-01-01 |