Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8189602 | Audio network system | Kei Nakayama, Masahiro Shimizu | 2012-05-29 |
| 7684415 | Audio network system | Kei Nakayama, Masahiro Shimizu | 2010-03-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8189602 | Audio network system | Kei Nakayama, Masahiro Shimizu | 2012-05-29 |
| 7684415 | Audio network system | Kei Nakayama, Masahiro Shimizu | 2010-03-23 |