Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10469422 | System, method, and program that allow audio chatting | Teppei Fujisawa, Nobuhiro Takahashi | 2019-11-05 |
| 9942393 | Audio chat management device and method | Teppei Fujisawa | 2018-04-10 |