Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9372289 | Method of manufacturing a diffraction grating | Shigeru Sugiyama | 2016-06-21 |
| 9233512 | Manufacturing method of blazed diffraction grating and mold for making a blazed difraction grating | Tsuyoshi Kitamura | 2016-01-12 |