Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794688 | Semiconductor light-emitting device and manufacturing method therefor, and LED lamp and LED display | Hiroshi Nakatsu, Takahisa Kurahashi, Shouici Ooyama | 2004-09-21 |
| 6770915 | Light emitting element with multiple multi-layer reflectors and a barrier layers | Takahisa Kurahashi, Shouichi Ohyama, Hiroshi Nakatsu | 2004-08-03 |