Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11416206 | Touch input device | Tatsushi KATSUYAMA, Takashi Nagao, Tetsuya Egawa | 2022-08-16 |
| 11051104 | Acoustic device | Masanori Kosugi, Takashi Nagao, Tatsushi KATSUYAMA | 2021-06-29 |