Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488644 | Semiconductor laser element and manufacturing method thereof | Suguru Imai, Keishi Takaki, Norihiro Iwai, Hitoshi Shimizu, Hirotatsu Ishii | 2013-07-16 |
| 8031754 | Surface emitting laser element, surface emitting laser element array, method of fabricating a surface emitting laser element | Norihiro Iwai, Takeo Kageyama | 2011-10-04 |
| 7885307 | Vertical-cavity surface-emitting semiconductor laser device | Yoshihiko Ikenaga, Norihiro Iwai, Takeo Kageyama, Koji Hiraiwa, Hirokazu Yoshikawa | 2011-02-08 |