Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10264359 | Speaker damper and speaker unit | Hiroaki Kawai, Akira SHIGETA | 2019-04-16 |
| 9485582 | Speaker | Yusuke Ishikawa, Masao Nakayama | 2016-11-01 |
| 8583825 | Device information acquisition apparatus and device information acquisition program | Mitsuo Ohtake, Shohhei Yamamoto | 2013-11-12 |