Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10659878 | Speaker device and sound output method | — | 2020-05-19 |
| 9596307 | Communication system | Masashi Nakamura, Tadashi Ujino, Masanobu Maeda | 2017-03-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10659878 | Speaker device and sound output method | — | 2020-05-19 |
| 9596307 | Communication system | Masashi Nakamura, Tadashi Ujino, Masanobu Maeda | 2017-03-14 |