Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47453 | Luminescent layer and light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Hiromi Kitahara, 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, Hiromi Kitahara, 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, Hiromi Kitahara, 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, Hiromi Kitahara, Tadaaki Ikeda, Hidenori Kamei +2 more | 2009-09-22 |
| 7422504 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Hiromi Kitahara, Tadaaki Ikeda, Hidenori Kamei +2 more | 2008-09-09 |
| 7294956 | Semiconductor light emitting element and light emitting device using this | Toshihide Maeda, Shozo Oshio, Hiromi Kitahara | 2007-11-13 |
| 7023019 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Hiromi Kitahara, Tadaaki Ikeda, Hidenori Kamei +2 more | 2006-04-04 |
| 6528444 | Glass composition, stem and bulb for lamps | Toshifumi Kondoh, Yutaka Koyamada | 2003-03-04 |
| 6445119 | Combined light emitting discharge lamp and luminaire using such lamp | Toshio Mori, Hiromi Tanaka, Kenji Mukai, Toru Higashi, Tetsuji Takeuchi +2 more | 2002-09-03 |
| 4705986 | High color rendering fluorescent lamp | Mutsuo Takahashi, Haruo Shibata | 1987-11-10 |