Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6677615 | Semiconductor light-emitting device, electrode for the device, method for fabricating the electrode, LED lamp using the device, and light source using the LED lamp | Kazuhiro Mitani, Wataru Nabekura, Takashi Udagawa, Takaharu Hoshina | 2004-01-13 |
| 6512248 | Semiconductor light-emitting device, electrode for the device, method for fabricating the electrode, LED lamp using the device, and light source using the LED lamp | Kazuhiro Mitani, Wataru Nabekura, Takashi Udagawa, Takaharu Hoshina | 2003-01-28 |
| 6346719 | AlGaInP light-emitting diode | Takashi Udagawa, Toshiki Yoshiuji | 2002-02-12 |