Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036400 | Volume control apparatus and volume control program | Masanori Shigematsu, Norio Etoh | 2011-10-11 |
| 7978865 | Audio processing apparatus | Norio Etoh, Yataro Yajima, Shintaro Jo, Ayako Nakatani, Yohei Koike | 2011-07-12 |