Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11139632 | Optical module and light output device | Koji Kajiwara | 2021-10-05 |
| 9911842 | Nitride semiconductor device, production method thereof, diode, and field effect transistor | Kazuyuki UMENO, Shinya Otomo, Jiang Li, Takuya Kokawa, Ryosuke Tamura +3 more | 2018-03-06 |
| 9653589 | Semiconductor multi-layer substrate, semiconductor device, and method for manufacturing the same | Kazuyuki UMENO, Tatsuyuki Shinagawa, Ryosuke Tamura, Shinya Ootomo | 2017-05-16 |
| 9300114 | Laser device, method of manufacturing the same, laser device array, light source and light module | Hitoshi Shimizu, Toshihito Suzuki, Yasumasa Kawakita | 2016-03-29 |
| 9276066 | Semiconductor multi-layer substrate and semiconductor element | Ryosuke Tamura, Kazuyuki UMENO, Tatsuyuki Shinagawa, Ryohei Makino, Jiang Li | 2016-03-01 |
| 8941149 | Semiconductor device | Jiang Li, Ryosuke Tamura, Yoshihiro IKURA | 2015-01-27 |
| 8861562 | Vertical light emitting device and manufacturing method | Toshihito Suzuki, Suguru Imai, Yasumasa Kawakita | 2014-10-14 |
| 8532155 | Optical interconnection system | Masaki Funabashi, Yasumasa Kawakita, Naoki Tsukiji | 2013-09-10 |
| 8494022 | Surface emitting laser, surface emitting laser array, light source and optical module | Hitoshi Shimizu, Takeo Kageyama, Norihiro Iwai | 2013-07-23 |
| 8488644 | Semiconductor laser element and manufacturing method thereof | Suguru Imai, Norihiro Iwai, Kinuka Tanabe, Hitoshi Shimizu, Hirotatsu Ishii | 2013-07-16 |
| 8306080 | Vertical cavity surface emitting laser apparatus | Naoki Tsukiji, Suguru Imai | 2012-11-06 |
| 8270447 | Semiconductor light emitting element and manufacturing method thereof | Naoki Tsukiji, Norihiro Iwai, Koji Hiraiwa | 2012-09-18 |
| 8204093 | Method of manufacturing vertical-cavity surface emitting laser and vertical-cavity surface emitting laser array | Norihiro Iwai, Koji Hiraiwa | 2012-06-19 |
| 8178364 | Testing method of surface-emitting laser device and testing device thereof | Koji Hiraiwa, Takeo Kageyama, Norihiro Iwai | 2012-05-15 |
| 7907653 | Vertical cavity surface emitting laser device and vertical cavity surface emitting laser array | Norihiro Iwai, Suguru Imai | 2011-03-15 |
| 7888145 | Method of manufacturing vertical-cavity surface-emitting laser device and vertical-cavity surface-emitting laser device | Norihiro Iwai, Hitoshi Shimizu, Takeo Kageyama | 2011-02-15 |
| 7881353 | Surface emitting laser element array | Takeo Kageyama, Naoki Tsukiji, Norihiro Iwai, Hitoshzi Shimizu, Yasumasa Kawakita +1 more | 2011-02-01 |
| 7801198 | Surface emitting laser element and method of fabricating the same | Takeo Kageyama, Norihiro Iwai, Yasumasa Kawakita, Peter Nyakas | 2010-09-21 |
| 7593448 | Semiconductor laser module and optical transmission apparatus using the semiconductor laser module | Junji Yoshida | 2009-09-22 |
| 7418020 | Surface emitting laser device | Koji Hiraiwa, Takeo Kageyama, Norihiro Iwai | 2008-08-26 |
| 7180930 | DFB semiconductor laser device having ununiform arrangement of a diffraction grating | Tomofumi Kise, Masaki Funabashi | 2007-02-20 |