Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847056 | Light emitting device | Masato Yamada, Masahisa Endo, Hitoshi Ikeda, Shinji Nozaki, Kazuo Uchida +1 more | 2005-01-25 |
| 6787383 | Light-emitting device and method for manufacturing the same | Shunichi Ikeda, Masato Yamada, Shinji Nozaki, Kazuo Uchida, Hiroshi Morisaki | 2004-09-07 |
| 6759689 | Light emitting element and method for manufacturing the same | Keizo Adomi, Masanobu Takahashi | 2004-07-06 |
| 6589447 | Compound semiconductor single crystal and fabrication process for compound semiconductor device | Junya ISHIZAKI | 2003-07-08 |
| 5739553 | Algainp light-emitting device | Keizo Adomi, Takao Takenaka | 1998-04-14 |
| 5600158 | Semiconductor light emitting device with current spreading layer | Keizo Adomi, Takao Takenaka | 1997-02-04 |
| 5597761 | Semiconductor light emitting device and methods of manufacturing it | Keizo Adomi, Akio Nakamura, Takao Takenaka | 1997-01-28 |
| 5444269 | AlGaInP light emitting device | Keizo Adomi, Takao Takenaka | 1995-08-22 |
| 5442201 | Semiconductor light emitting device with nitrogen doping | Keizo Adomi, Akio Nakamura, Takao Takenaka | 1995-08-15 |
| 5442203 | Semiconductor light emitting device having AlGaAsP light reflecting layers | Keizo Adomi, Takao Takenaka | 1995-08-15 |
| 4987472 | Compound semiconductor epitaxial wafer | Masahisa Endo, Toshiharu Takahashi | 1991-01-22 |