Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734641 | Device for turning on light and illumination apparatus | Hideki Miyazaki, Yasuyuki Kojima, Kenji Kawabata | 2004-05-11 |
| 6683418 | Inverter type illumination lighting apparatus | Hideki Miyazaki, Kenji Kawabata | 2004-01-27 |