Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10506343 | Earphone having vibration conductor which conducts vibration, and stereo earphone including the same | Yoji Hosoi, Masashi Morimoto, Masahide Tanaka | 2019-12-10 |
| 10380864 | Watching system, watching detection device, and watching notification device | Yoji Hosoi, Masahide Tanaka | 2019-08-13 |
| 10356231 | Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit | Yoji Hosoi, Masahide Tanaka | 2019-07-16 |
| 10237382 | Mobile telephone | Yoji Hosoi, Masahide Tanaka | 2019-03-19 |