Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12062886 | Optical functional device and laser device | Yasutaka Higa, Kazuaki Kiyota | 2024-08-13 |
| 11909174 | Reflection filter device and wavelength-tunable laser device | Yasutaka Higa | 2024-02-20 |
| 11482838 | Optical waveguide structure | Yasutaka Higa | 2022-10-25 |
| 10965094 | Wavelength-tunable laser device | Kazuaki Kiyota, Yasutaka Higa | 2021-03-30 |
| 10923880 | Semiconductor laser device, diffraction grating structure, and diffraction grating | Kazuaki Kiyota | 2021-02-16 |
| 10193305 | Wavelength tunable laser device and laser module | Yasutaka Higa, Norihiro Iwai, Tatsuro Kurobe | 2019-01-29 |
| 9960572 | Semiconductor device | Masayuki Iwami, Hirotatsu Ishii, Norihiro Iwai, Takeyoshi Matsuda, Akihiko Kasukawa +2 more | 2018-05-01 |
| 9912122 | Semiconductor optical device | Noriyuki Yokouchi | 2018-03-06 |
| 9300114 | Laser device, method of manufacturing the same, laser device array, light source and light module | Hitoshi Shimizu, Toshihito Suzuki, Keishi Takaki | 2016-03-29 |
| 8861562 | Vertical light emitting device and manufacturing method | Toshihito Suzuki, Keishi Takaki, Suguru Imai | 2014-10-14 |
| 8755422 | Surface emitting laser, light source, and optical module | Hitoshi Shimizu | 2014-06-17 |
| 8638832 | Electronic device, surface emitting laser, surface emitting laser array, light source, optical module | Hitoshi Shimizu | 2014-01-28 |
| 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 | Takeo Kageyama, Hitoshi Shimizu, Hirotatsu Ishii | 2013-12-31 |
| 8532155 | Optical interconnection system | Keishi Takaki, Masaki Funabashi, Naoki Tsukiji | 2013-09-10 |
| 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 | Takeo Kageyama, Hitoshi Shimizu, Hirotatsu Ishii | 2013-06-25 |
| 8355421 | Vertical-cavity surface emitting laser | Kageyama Takeo, Hitoshi Shimizu | 2013-01-15 |
| 8300671 | Surface emitting laser | Hitoshi Shimizu, Takeo Kageyama | 2012-10-30 |
| 7881353 | Surface emitting laser element array | Takeo Kageyama, Keishi Takaki, Naoki Tsukiji, Norihiro Iwai, Hitoshzi Shimizu +1 more | 2011-02-01 |
| 7801198 | Surface emitting laser element and method of fabricating the same | Takeo Kageyama, Norihiro Iwai, Keishi Takaki, Peter Nyakas | 2010-09-21 |
| 7778297 | Surface emitting laser element and method of fabricating the same | Takeo Kageyama, Norihiro Iwai | 2010-08-17 |