Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10474424 | Control method, audio device, and information storage medium | Katsuaki Tanaka, Tomoyoshi Akutagawa, Yuki SUEMITSU, Akihiko Suyama, Kazuya Mushikabe +1 more | 2019-11-12 |
| 10417105 | Connection confirmation system, connection detection apparatus, and connection confirmation method | Masaya Kano, Atsushi USUI, Yutaka Ishimura | 2019-09-17 |
| 10306366 | Audio system, audio device, and audio signal playback method | Katsuaki Tanaka, Tomoyoshi Akutagawa | 2019-05-28 |