Issued Patents 2022
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11506950 | Optical waveguide element, optical waveguide device and optical transmission apparatus | Yu NAKATA | 2022-11-22 |
| 11500264 | Optical waveguide device with reinforcement member for optical fiber and waveguide portion | Kei Katou | 2022-11-15 |
| 11500263 | Optical modulator and optical module using this | Toru Sugamata | 2022-11-15 |
| 11460650 | Optical waveguide device, and optical modulation device and optical transmission device using it | Yu NAKATA | 2022-10-04 |
| 11402594 | Optical waveguide device, and optical modulation device and optical transmission device using same | Kei Kato, Hideki Ichimei | 2022-08-02 |
| 11397365 | Optical modulator and optical transmission device | Toru Sugamata | 2022-07-26 |
| 11397364 | Optical modulator and optical transmission apparatus | Toru Sugamata | 2022-07-26 |
| 11397341 | Optical modulator having screw-fastened protrusion | Toru Sugamata | 2022-07-26 |
| 11333832 | Optical functional device | Takeshi Sakai | 2022-05-17 |
| 11215754 | Optical waveguide element and manufacturing method therefor | Yuji Yamane, Yu Kataoka, Hideki Ichimei | 2022-01-04 |