Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11750729 | Portable terminal device, incoming call screen display method, and program | Hikaru Ogawa | 2023-09-05 |
| 11457105 | Portable terminal device, incoming call screen display method, and program | Hikaru Ogawa | 2022-09-27 |
| 11451654 | Portable terminal device, incoming call history display method, and program | Hikaru Ogawa | 2022-09-20 |