Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834977 | Light emitting device | Yuji Takahashi, Hideaki Kato, Koichi Kaga, Kiyotaka Teshima, Shunsuke Ohtsuka | 2004-12-28 |
| 6833566 | Light emitting diode with heat sink | Hideaki Kato, Kunihiro Hadame | 2004-12-21 |
| 6809340 | Light emitting element | Hideaki Kato | 2004-10-26 |
| 6729746 | Light source device | Yuji Takahashi, Takemasa Yasukawa, Hideaki Kato, Hideki Omoya, Hideyuki Nakano +1 more | 2004-05-04 |
| 6727643 | Reflective light emitting diode, reflective optical device and its manufacturing method | — | 2004-04-27 |