Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47453 | Luminescent layer and light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Tadaaki Ikeda, Kei Sakanoue +2 more | 2019-06-25 |
| 7772769 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Tadaaki Ikeda, Hidenori Kamei +2 more | 2010-08-10 |
| 7629620 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Tadaaki Ikeda, Hidenori Kamei +2 more | 2009-12-08 |
| 7592639 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Tadaaki Ikeda, Hidenori Kamei +2 more | 2009-09-22 |
| 7557383 | Lighting apparatus | Kunihiko Obara, Koji Nakatsu, Toshihide Maeda, Hideo Nagai | 2009-07-07 |
| 7422504 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Tadaaki Ikeda, Hidenori Kamei +2 more | 2008-09-09 |
| 7294956 | Semiconductor light emitting element and light emitting device using this | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama | 2007-11-13 |
| 7023019 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Tadaaki Ikeda, Hidenori Kamei +2 more | 2006-04-04 |
| 6791116 | Light emitting diode | Yuji Takahashi, Shigeru Fukumoto, Katsunori Arakane, Atsuo Hirano, Kunihiro Hadame +4 more | 2004-09-14 |