Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785230 | Audio transmission apparatus | Yutaka Takeda | 2004-08-31 |
| 6769020 | Data terminal, data distribution system, and internet telephone system | Tomiya Miyazaki, Kazuo Yahiro, Toru Imamura, Masafumi Tanaka, Yutaka Takeda +2 more | 2004-07-27 |