Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11799270 | Semiconductor optical element, semiconductor optical element forming structure, and method of manufacturing semiconductor optical element using the same | Rintaro Morohashi, Ryozaburo Nogawa, Yumi Yamada | 2023-10-24 |
| 11387628 | Semiconductor optical element, semiconductor optical element forming structure, and method for manufacturing semiconductor optical element using the same | Rintaro Morohashi, Ryozaburo Nogawa, Yumi Yamada | 2022-07-12 |
| 6498076 | Method for manufacturing a semiconductor laser | — | 2002-12-24 |
| 6300153 | Metal organic vapor phase epitaxy and method for manufacturing semiconductor laser device | — | 2001-10-09 |
| 5918109 | Method for making optical semiconductor element | — | 1999-06-29 |
| 5543957 | Optical modulator and method of producing the same | Shinji Takano | 1996-08-06 |