Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12063464 | Speaker bracket, speaker frame, and speaker | Hayami Kondo, Ryu Ito, Shun Shirahata, Hiroyuki Dohi | 2024-08-13 |
| 11381893 | Speaker bracket, speaker frame, and speaker | Hayami Kondo, Ryu Ito, Shun Shirahata, Hiroyuki Dohi | 2022-07-05 |
| D911155 | Bracket for automobile speaker | Hayami Kondo, Ryu Ito, Shun Shirahata, Hiroyuki Dohi | 2021-02-23 |