Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12225342 | Coaxial speaker horn, and coaxial speaker | Katsutoki Hanayama, Bahari Satriyo | 2025-02-11 |
| 9843848 | Speaker unit | Kazuya Atsumi, Katsutoki Hanayama, Satoshi Hayakawa | 2017-12-12 |
| 9774937 | Speaker unit | Kazuya Atsumi, Katsutoki Hanayama, Satoshi Hayakawa | 2017-09-26 |