Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050931 | Sound masking system and masking sound generation method | Atsuko Ito, Yasushi Shimizu, Akira Miki | 2011-11-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050931 | Sound masking system and masking sound generation method | Atsuko Ito, Yasushi Shimizu, Akira Miki | 2011-11-01 |