Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9743186 | Sound reproduction device | Katsu Takeda, Susumu Fukushima, Rihito Shoji | 2017-08-22 |
| 9565496 | Sound reproduction device | Katsu Takeda | 2017-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9743186 | Sound reproduction device | Katsu Takeda, Susumu Fukushima, Rihito Shoji | 2017-08-22 |
| 9565496 | Sound reproduction device | Katsu Takeda | 2017-02-07 |