Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9860642 | Audio wireless transmission system, speaker device, and source device | Mamoru Oda | 2018-01-02 |
| 9307189 | Relay apparatus controlling signal channel selection | Takeshi Hashimoto, Yoshiyuki Shimizu, Satoshi Saitoh, Shinichiro Kinoshita, Tomoo Nishigaki | 2016-04-05 |