Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10088299 | Optical measurement element for alignment in wafer-level testing and method for aligning an optical probe using the same | — | 2018-10-02 |
| 10025031 | Grating structure, and manufacturing method of grating coupler provided therewith | Jun Ushida | 2018-07-17 |
| 9971099 | Grating coupler with high optical coupling efficiency for SMF | Jun Ushida | 2018-05-15 |