Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12062886 | Optical functional device and laser device | Yasutaka Higa, Yasumasa Kawakita | 2024-08-13 |
| 11909173 | Wavelength-tunable laser and optical module | — | 2024-02-20 |
| 11322912 | Semiconductor laser array, semiconductor laser element, semiconductor laser module, and wavelength-variable laser assembly | Akira Itoh, Junji Yoshida | 2022-05-03 |
| 11281029 | Optical integrated element and optical module | Yusuke Saito | 2022-03-22 |
| 10965094 | Wavelength-tunable laser device | Yasumasa Kawakita, Yasutaka Higa | 2021-03-30 |
| 10923880 | Semiconductor laser device, diffraction grating structure, and diffraction grating | Yasumasa Kawakita | 2021-02-16 |
| 10811840 | Laser module | Maiko Ariga, Yusuke INABA, Toshihito Suzuki | 2020-10-20 |
| 10770863 | Semiconductor laser device | Toshihito Suzuki, Go KOBAYASHI | 2020-09-08 |
| 10554013 | Semiconductor laser apparatus | Tatsuro Kurobe, Toshihito Suzuki | 2020-02-04 |
| 10534131 | Semiconductor optical integrated device having buried hetero structure waveguide and deep ridge waveguide | Tatsuya Kimoto, Yusuke Saito | 2020-01-14 |
| 10320150 | Optical semiconductor apparatus | Toshihito Suzuki, Tatsuro Kurobe | 2019-06-11 |
| 10241267 | Semiconductor optical integrated device including a reduced thickness upper cladding layer in a ridge waveguide portion, and method of manufacturing the same | Tatsuya Kimoto, Yusuke Saito | 2019-03-26 |
| 9088132 | Semiconductor optical element, integrated semiconductor optical element, and semiconductor optical element module | — | 2015-07-21 |
| 9054486 | Optical amplifier device | Hideaki Hasegawa, Masaki Funabashi, Takeshi Akutsu, Noriyuki Yokouchi, Kazutaka Nara | 2015-06-09 |
| 8665919 | Semiconductor laser module | Tatsuya Kimoto | 2014-03-04 |
| 7831124 | Photonic crystal optical device | Toshihiko Baba | 2010-11-09 |
| 7796846 | Optical integrated device and method of manufacturing the same | Masaki Funabashi | 2010-09-14 |
| 7664158 | Two-dimensional photonic crystal surface-emitting laser | — | 2010-02-16 |