Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804366 | Speaker apparatus | Osamu Takahashi, Takeshi Kaiwa | 2004-10-12 |
| 6754362 | Speaker and speaker system | Takeshi Kaiwa, Osamu Takahashi, Kunio Mitobe | 2004-06-22 |
| 6706458 | Toner, process for producing a toner, image forming method and image forming apparatus | Keita Nozawa, Atsushi Kubo, Tomoaki Igarashi, Kiyokazu Suzuki | 2004-03-16 |