Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520808 | Manufacturing method of diffractive optical elements | Fusao Ishii, Nakanishi Mikiko, Takahashi Kazuhiko, Abrakawa Yuji | 2019-12-31 |
| 10386563 | Illuminator for a wearable display | Fusao Ishii, Yuji Aburakawa, Kazuhiko Takahashi, Mikiko Nakanishi | 2019-08-20 |
| 10312662 | Optical module and optical transmission equipment | Takuya Sato, Koki Sato | 2019-06-04 |