Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8054998 | Multichannel amplifier | Toshifumi Okamura | 2011-11-08 |
| 8036400 | Volume control apparatus and volume control program | Tadaharu Sunaga, Masanori Shigematsu | 2011-10-11 |
| 7978865 | Audio processing apparatus | Tadaharu Sunaga, Yataro Yajima, Shintaro Jo, Ayako Nakatani, Yohei Koike | 2011-07-12 |