Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10524365 | Ceramic substrate | Tatsuya Katoh, Masaki Kutsuna | 2019-12-31 |
| 10477295 | Earphone | Takashi Ouchi, Akira Tamadera, Naoki Imagawa | 2019-11-12 |
| 10375837 | Method of manufacturing a ceramic substrate | Tatsuya Katoh, Masaki Kutsuna | 2019-08-06 |
| 10362380 | Headphone | Takashi Ouchi | 2019-07-23 |