Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10798247 | Acoustic echo suppression device and acoustic echo suppression method | Hiromasa Ohashi, Naoya Tanaka | 2020-10-06 |
| 10706448 | Service monitoring system and service monitoring method | Hisahiro Tanaka, Akitoshi IZUMI, Shinichi Shigenaga, Ryota Fujii, Koshi TANAKA +1 more | 2020-07-07 |