Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10924611 | Voice recognition system and call evaluation setting method | Yuko Kanetsuki, Takashi Sugiyama | 2021-02-16 |
| 10855837 | Call recording system and method of reproducing recorded call | Takashi Sugiyama | 2020-12-01 |