Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112094 | Method for manufacturing light-emitting device | Masaaki Katsumata, Tomohiro Ikeda | 2021-09-07 |
| 11018288 | Metal-base substrate and semiconductor device | Tomohiro Ikeda, Masaaki Katsumata, Yosuke Nakayama, Yumiko Kameshima | 2021-05-25 |