Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11049486 | Noise reduction apparatus, noise reduction method, and computer-readable recording medium | — | 2021-06-29 |
| 9049317 | Communication system, communication terminal, and method of controlling a communication system | Hirofumi Ishii | 2015-06-02 |
| 8692666 | Communication system and communication terminal | Hirofumi Ishii | 2014-04-08 |