Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10833477 | Drive unit and light-emitting device | Osamu Maeda, Masashi Nakamura, Satoru Fushimi | 2020-11-10 |
| 10727144 | Light emitting apparatus and method of manufacturing light emitting apparatus | Masahiro Murayama | 2020-07-28 |
| 9379523 | Group III nitride semiconductor device, p-type contact structure, and method for fabricating group III nitride semiconductor device | Yohei Enya, Takashi Kyono, Masaki Ueno, Takao Nakamura, Takashi Matsuura +1 more | 2016-06-28 |
| 8494020 | Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatus | Abe Hiroaki, Kudou Hisashi, Fujimoto Tsuyoshi, Kentaro Aoshima | 2013-07-23 |
| 8253150 | Semiconductor light emitting device and method of manufacturing it | Tetsuya Konno, Fujimoto Tsuyoshi | 2012-08-28 |
| 8243769 | Semiconductor light emitting device, optical pickup unit and information recording/reproduction apparatus | Abe Hiroaki, Kudou Hisashi, Fujimoto Tsuyoshi, Kentaro Aoshima | 2012-08-14 |
| 6670203 | Method for manufacturing semiconductor laser having recombination layer stripes in current blocking structure | — | 2003-12-30 |
| 6539039 | Optical semiconductor device and method of manufacturing the same | — | 2003-03-25 |
| 6477283 | Electroabsorption optical modulator and fabrication method thereof | Junichi Shimizu | 2002-11-05 |
| 6465269 | Semiconductor optical device and method of manufacturing the same | — | 2002-10-15 |
| 6337870 | Semiconductor laser having recombination layer stripes in current blocking structure | — | 2002-01-08 |
| 6219366 | Semiconductor optical device and method of manufacturing the same | — | 2001-04-17 |
| 5815520 | light emitting semiconductor device and its manufacturing method | — | 1998-09-29 |