Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815730 | Nitride-based semiconductor light-emitting device | — | 2004-11-09 |
| 6781333 | Drive control apparatus and method of alternating current motor | Satoshi Koide | 2004-08-24 |
| 6730896 | Optical pickup device | — | 2004-05-04 |
| 6728179 | Apparatus and method for optical recording/reproducing information including electrical spherical-aberration correction mechanism having low power consumption | Ikuo Nakano | 2004-04-27 |