Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723281 | Metal material for electronic parts, electronic parts, electronic apparatuses, and method of processing metal materials | Katsuhisa Aratani | 2004-04-20 |
| 6695987 | Production method for optical disc | Masahiro Katsumura, Tetsuya Iida | 2004-02-24 |
| 6690232 | Variable gain amplifier | Tadashi Arai, Tetsuro Itakura | 2004-02-10 |