Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308616 | Semiconductor device | Masaki WAKABA | 2025-05-20 |
| 12300969 | Surface emitting laser, electronic device, and method for manufacturing surface emitting laser | Takahiro Arakida, SHINICHI AGATUMA, Rintaro Koda, Osamu Maeda, Kota Tokuda | 2025-05-13 |
| 12062886 | Optical functional device and laser device | Yasumasa Kawakita, Kazuaki Kiyota | 2024-08-13 |
| 11909174 | Reflection filter device and wavelength-tunable laser device | Yasumasa Kawakita | 2024-02-20 |
| 11482838 | Optical waveguide structure | Yasumasa Kawakita | 2022-10-25 |
| 10965094 | Wavelength-tunable laser device | Yasumasa Kawakita, Kazuaki Kiyota | 2021-03-30 |
| 10193305 | Wavelength tunable laser device and laser module | Yasumasa Kawakita, Norihiro Iwai, Tatsuro Kurobe | 2019-01-29 |
| 9502861 | Semiconductor laser | Tatsuro Kurobe, Masaki WAKABA | 2016-11-22 |