Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859747 | Phosphor element and illumination device | Jungo Kondo, Naotake Okada, Keiichiro Asai, Shuhei Higashihara, Yuichi Iwata +2 more | 2020-12-08 |
| 10746926 | Optical waveguide substrate | Keiichiro Asai | 2020-08-18 |
| 10720746 | Optical element and method for manufacturing optical element | Kousuke Niwa, Jungo Kondou, Keiichiro Asai | 2020-07-21 |
| 10564513 | Optical waveguide devices | Keiichiro Asai | 2020-02-18 |