Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47453 | Luminescent layer and light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda +2 more | 2019-06-25 |
| 8552444 | Semiconductor light-emitting device and manufacturing method of the same | Yoshiyuki Ide, Isamu Yonekura, Kunihiko Obara, Koichi Nakahara, Kouji Nakatsu +5 more | 2013-10-08 |
| 8507935 | Light emitting element and light emitting device | Atsuhiro Hori | 2013-08-13 |
| 8399272 | Method of manufacturing semiconductor light emitting element | Kazuyuki Yamae, Hiroshi Fukshima, Masaharu Yasuda, Tomoya Iwahashi, Syuusaku Maeda | 2013-03-19 |
| 8309975 | Semiconductor light emitting element and semiconductor light emitting device using the same | Atsuhiro Hori, Syuusaku Maeda | 2012-11-13 |
| 8178889 | Semiconductor light emitting element having a single defect concentrated region and a light emitting which is not formed on the single defect concentrated region | Yoshitaka Kinoshita | 2012-05-15 |
| 8076679 | Nitride-based semiconductor light-emitting diode and illuminating device | Yoshitaka Kinoshita | 2011-12-13 |
| 7951625 | Semiconductor light emitting element and method for manufacturing semiconductor light emitting device | — | 2011-05-31 |
| 7915714 | Semiconductor light emitting element and wafer | Syuuichi Shinagawa | 2011-03-29 |
| 7863623 | Semiconductor light emitting device | Yoshitaka Kinoshita | 2011-01-04 |
| 7772769 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda +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, Hiromi Kitahara, Tadaaki Ikeda +2 more | 2009-12-08 |
| 7601985 | Semiconductor light-emitting device | Yoshitaka Kinoshita | 2009-10-13 |
| 7592639 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda +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, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda +2 more | 2008-09-09 |
| 7056755 | P-type nitride semiconductor and method of manufacturing the same | Shuichi Shinagawa, Hidemi Takeishi | 2006-06-06 |
| 7023019 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Shozo Oshio, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda +2 more | 2006-04-04 |
| 7002184 | Light-emitting device comprising a gallum-nitride-group compound-semiconductor | Yasunari Oku | 2006-02-21 |
| 6841800 | Light-emitting device comprising a gallium-nitride-group compound-semiconductor | Yasunari Oku | 2005-01-11 |
| 6497944 | Light-emitting device comprising a gallium-nitride-group compound-semiconductor | Yasunari Oku | 2002-12-24 |
| 6445127 | Light-emitting device comprising gallium-nitride-group compound-semiconductor and method of manufacturing the same | Yasunari Oku | 2002-09-03 |
| 6365923 | Nitride semiconductor light-emitting element and process for production thereof | — | 2002-04-02 |
| 6307219 | Light-emitting device comprising gallium-nitride-group compound semiconductor | Yasunari Oku | 2001-10-23 |
| 6090211 | Apparatus and method for forming semiconductor thin layer | Hidemi Takeishi, Yasunari Oku | 2000-07-18 |
| 6051847 | Gallium nitride compound-based semiconductor light emitting device and process for producing gallium nitride compound-based semiconductor thin film | Yasunari Oku, Hidemi Takeishi, Shuuichi Shinagawa | 2000-04-18 |