Issued Patents All Time
Showing 26–50 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7573075 | Compound semiconductor device, production method of compound semiconductor device and diode | — | 2009-08-11 |
| 7538361 | Ohmic electrode structure, compound semiconductor light emitting device having the same, and LED lamp | — | 2009-05-26 |
| 7508010 | Boron phoshide-based compound semiconductor device, production method thereof and light-emitting diode | — | 2009-03-24 |
| 7498612 | Compound semiconductor light-emitting device having pn-junction type hetero structure and forming method thereof | Michiya Odawara, Akira Kasahara | 2009-03-03 |
| 7495261 | Group III nitride semiconductor light-emitting device and method of producing the same | Katsuki Kusunoki, Kazuhiro Mitani | 2009-02-24 |
| 7488987 | Boron phosphide-based semiconductor light-emitting device and production method thereof | — | 2009-02-10 |
| 7479731 | Multicolor light-emitting lamp and light source | — | 2009-01-20 |
| 7465499 | Boron phosphide-based semiconductor device, production method thereof, light-emitting diode and boron phosphide-based semiconductor layer | Tamotsu Yamashita | 2008-12-16 |
| 7365366 | Boron phosphide-based semiconductor light-emitting device and production method thereof | — | 2008-04-29 |
| 7315050 | Semiconductor device, semiconductor layer and production method thereof | — | 2008-01-01 |
| 7211836 | Group-III nitride semiconductor light-emitting device and production method thereof | — | 2007-05-01 |
| 7057210 | Electrode for light-emitting semiconductor devices and method of producing the electrode | Hisayuki Miki, Noritaka Muraki, Mineo Okuyama | 2006-06-06 |
| 7034330 | Group-III nitride semiconductor device, production method thereof and light-emitting diode | — | 2006-04-25 |
| 7030003 | Compound semiconductor device, production method thereof, light-emitting device and transistor | — | 2006-04-18 |
| 7018728 | Boron phosphide-based semiconductor device and production method thereof | — | 2006-03-28 |
| 6984851 | Group-III nitride semiconductor light-emitting diode, light-emitting diode lamp, light source, electrode for group-III nitride semiconductor light-emitting diode, and method for producing the electrode | — | 2006-01-10 |
| 6936863 | Boron phosphide-based semiconductor light-emitting device, production method thereof and light-emitting diode | Akira Kasahara | 2005-08-30 |
| 6876013 | Compound semiconductor multilayer structure and bipolar transistor using the same | Taichi Okano | 2005-04-05 |
| 6846754 | Boron phosphide-based semiconductor layer and vapor phase growth method thereof | Koji Nakahara | 2005-01-25 |
| 6841435 | Method for fabricating a GaInP epitaxial stacking structure | Masahiro Kimura, Akira Kasahara, Taichi Okano | 2005-01-11 |
| 6835962 | Stacked layer structure, light-emitting device, lamp, and light source unit | — | 2004-12-28 |
| 6831293 | P-n junction-type compound semiconductor light-emitting device, production method thereof, lamp and light source | — | 2004-12-14 |
| 6831304 | P-n junction type boron phosphide-based semiconductor light-emitting device and production method thereof | — | 2004-12-14 |
| 6809346 | Boron phosphide-based semiconductor light-emitting device, production method thereof, and light-emitting diode | — | 2004-10-26 |
| 6800501 | Electrode for light-emitting semiconductor devices and method of producing the electrode | Hisayuki Miki, Noritaka Muraki, Mineo Okuyama | 2004-10-05 |