Issued Patents All Time
Showing 1–25 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12414406 | Semiconductor light-emitting device and photocoupler | Hiroaki Ootsuka, Naoki Murakami, Takanobu Kamakura | 2025-09-09 |
| 11908972 | Semiconductor light-emitting device and optical coupling device | Akira Tanaka, Katsufumi Kondo, Masanobu Iwamoto, Kenji Isomoto, Hiroaki Ootsuka | 2024-02-20 |
| 11728458 | Semiconductor light-emitting device | — | 2023-08-15 |
| 11694900 | Semiconductor device and method for manufacturing the same | Toshiyuki Nishikawa, Kazuhiko Komatsu, Shinji Nunotani, Yoshiyuki Harada | 2023-07-04 |
| 11482645 | Semiconductor light-emitting device | Takanobu Kamakura | 2022-10-25 |
| 11158514 | Semiconductor device and method for manufacturing the same | Toshiyuki Nishikawa, Kazuhiko Komatsu, Shinji Nunotani, Yoshiyuki Harada | 2021-10-26 |
| 11114822 | Optical semiconductor element | Masanobu Iwamoto, Kenji Isomoto | 2021-09-07 |
| 11114586 | Semiconductor light emitting device | — | 2021-09-07 |
| 10749022 | Semiconductor device | Syotaro Ono, Hiroshi Ohta, Hisao Ichijo, Hiroaki Yamashita | 2020-08-18 |
| 10720523 | Semiconductor device | Hiroaki Yamashita, Syotaro Ono, Hisao Ichijo, Hiroshi Ohta | 2020-07-21 |
| 9312444 | Semiconductor light emitting device and manufacturing method thereof | — | 2016-04-12 |
| 8980664 | Method for fabricating stacked nitride-compound semiconductor structure and method for fabricating nitride-compound semiconductor light emitting device | Kenichiro Kai | 2015-03-17 |
| 8796111 | Stacked layers of nitride semiconductor and method for manufacturing the same | Masaaki Onomura | 2014-08-05 |
| 8541772 | Nitride semiconductor stacked structure and method for manufacturing same and nitride semiconductor device | — | 2013-09-24 |
| 8502350 | Stacked layers of nitride semiconductor and method for manufacturing the same | Masaaki Onomura | 2013-08-06 |
| 8247794 | Nitride semiconductor device | — | 2012-08-21 |
| 8193021 | Nitride semiconductor and method for manufacturing same | — | 2012-06-05 |
| 8004065 | Nitride semiconductor and method for manufacturing same | — | 2011-08-23 |
| 7714350 | Gallium nitride based semiconductor device and method of manufacturing same | Chie Hongo | 2010-05-11 |
| 7550368 | Group-III nitride semiconductor stack, method of manufacturing the same, and group-III nitride semiconductor device | Tsunenori Hiratsuka | 2009-06-23 |
| 7355212 | Light emitting element | Haruhiko Okazaki | 2008-04-08 |
| 7333523 | Semiconductor laser device | Akira Tanaka, Chie Hongo, Yoshiyuki Harada, Masaaki Onomura | 2008-02-19 |
| 7221002 | Light emitting element, method of manufacturing the same, and semiconductor device having light emitting element | Haruhiko Okazaki | 2007-05-22 |
| 7180088 | Nitride based semiconductor light-emitting device | — | 2007-02-20 |
| 7179671 | Light emitting element, method of manufacturing the same, and semiconductor device having light emitting element | Haruhiko Okazaki | 2007-02-20 |