Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10181539 | Photoelectric conversion element and photoelectric conversion device including the same | Hirofumi Yoshikawa, Makoto Izumi, Yasuhiko Arakawa | 2019-01-15 |
| 9865771 | Semiconductor light-emitting element | Kenichi Nishi, Keizo Takemasa, Mitsuru Sugawara, Richard Hogg, Siming W. Chen | 2018-01-09 |
| 8619831 | Vertical cavity surface emitting laser element, vertical cavity surface emitting laser array element, vertical cavity surface emitting laser device, light source device, and optical module | Yasumasa Kawakita, Hitoshi Shimizu, Hirotatsu Ishii | 2013-12-31 |
| 8494022 | Surface emitting laser, surface emitting laser array, light source and optical module | Hitoshi Shimizu, Keishi Takaki, Norihiro Iwai | 2013-07-23 |
| 8472492 | Vertical cavity surface emitting laser element, vertical cavity surface emitting laser array element, vertical cavity surface emitting laser device, light source device, and optical module | Yasumasa Kawakita, Hitoshi Shimizu, Hirotatsu Ishii | 2013-06-25 |
| 8300671 | Surface emitting laser | Yasumasa Kawakita, Hitoshi Shimizu | 2012-10-30 |
| 8178364 | Testing method of surface-emitting laser device and testing device thereof | Koji Hiraiwa, Norihiro Iwai, Keishi Takaki | 2012-05-15 |
| 8144742 | Surface emitting laser device | Hitoshi Shimizu | 2012-03-27 |
| 8031754 | Surface emitting laser element, surface emitting laser element array, method of fabricating a surface emitting laser element | Norihiro Iwai, Kinuka Tanabe | 2011-10-04 |
| 7974327 | Surface emitting laser element array | Maiko Ariga, Norihiro Iwai, Kazuaki Nishikata | 2011-07-05 |
| 7888145 | Method of manufacturing vertical-cavity surface-emitting laser device and vertical-cavity surface-emitting laser device | Keishi Takaki, Norihiro Iwai, Hitoshi Shimizu | 2011-02-15 |
| 7885307 | Vertical-cavity surface-emitting semiconductor laser device | Kinuka Tanabe, Yoshihiko Ikenaga, Norihiro Iwai, Koji Hiraiwa, Hirokazu Yoshikawa | 2011-02-08 |
| 7881353 | Surface emitting laser element array | Keishi Takaki, Naoki Tsukiji, Norihiro Iwai, Hitoshzi Shimizu, Yasumasa Kawakita +1 more | 2011-02-01 |
| 7801198 | Surface emitting laser element and method of fabricating the same | Norihiro Iwai, Yasumasa Kawakita, Keishi Takaki, Peter Nyakas | 2010-09-21 |
| 7778297 | Surface emitting laser element and method of fabricating the same | Norihiro Iwai, Yasumasa Kawakita | 2010-08-17 |
| 7577176 | Surface emitting laser device | Hitoshi Shimizu | 2009-08-18 |
| 7418020 | Surface emitting laser device | Koji Hiraiwa, Norihiro Iwai, Keishi Takaki | 2008-08-26 |