Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8271288 | Sound masking system and masking sound generation method | Yasushi Shimizu, Akira Miki, Masato Hata | 2012-09-18 |
| 8265298 | Loudspeaker system | Akira Miki, Shinichi Sawara | 2012-09-11 |
| 8098841 | Sound field controlling apparatus | Shinichi Sawara, Akira Miki | 2012-01-17 |
| 8050931 | Sound masking system and masking sound generation method | Yasushi Shimizu, Akira Miki, Masato Hata | 2011-11-01 |
| 7995768 | Sound reinforcement system | Akira Miki | 2011-08-09 |
| 7688986 | Loudspeaker system | Akira Miki, Shinichi Sawara | 2010-03-30 |