Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8352989 | Content transmission device and content reproduction device | Toshiaki Mori, Akihiro Yamamoto, Takashi Kuwabara, Manabu NAKAKITA | 2013-01-08 |
| 7133226 | Data accumulating method and apparatus | Takehiko Yasuda | 2006-11-07 |
| 5796847 | Sound reproduction apparatus | Toshikazu Chiba, Katsushi Yamada | 1998-08-18 |