Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8384063 | Light emitting device | Katsufumi Kondo | 2013-02-26 |
| 8361822 | Light-emitting device and method for producing light emitting device | — | 2013-01-29 |
| 8299480 | Semiconductor light emitting device and method for manufacturing same, and epitaxial wafer | Katsufumi Kondo, Yasuo Idei | 2012-10-30 |
| 8148714 | Light-emitting device and method for producing light emitting device | — | 2012-04-03 |
| 8115192 | Light emitting device | Katsufumi Kondo | 2012-02-14 |
| 8110451 | Method for manufacturing light emitting device | Yasuhiko Akaike, Yoshinori Natsume | 2012-02-07 |
| 8076168 | Light-emitting device and method for producing light emitting device | — | 2011-12-13 |
| 6846686 | Semiconductor light-emitting device and method of manufacturing the same | Hideto Sugawara, Yukio Watanabe, Tamotsu Jitosho | 2005-01-25 |
| 6586773 | Semiconductor light-emitting device | Hideto Sugawara, Yukio Watanabe, Tamotsu Jitosho | 2003-07-01 |
| 6548834 | Semiconductor light emitting element | Hideto Sugawara, Koichi Nitta, Katsufumi Kondo, Masanobu Iwamoto | 2003-04-15 |
| 6483127 | Semiconductor light emitting device | — | 2002-11-19 |
| 6350997 | Semiconductor light emitting element | — | 2002-02-26 |
| 6229834 | Led display device | Katsuhiko Nisitani, Kazumi Unno, Masayuki Ishikawa, Takafumi Nakamura, Masanobu Iwamoto | 2001-05-08 |
| 6121635 | Semiconductor light-emitting element having transparent electrode and current blocking layer, and semiconductor light-emitting including the same | Yukio Watanabe, Hideki Nozaki | 2000-09-19 |
| 5732098 | LED display device | Katsuhiko Nisitani, Kazumi Unno, Masayuki Ishikawa, Takafumi Nakamura, Masanobu Iwamoto | 1998-03-24 |
| 5506423 | Semiconductor light-emitting device with ZnTe current spreading layer | — | 1996-04-09 |