Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10692474 | Key unit and keyboard instrument | Toshiya Kuno, Hirokazu Taniguchi | 2020-06-23 |
| 10609803 | Extreme ultraviolet (EUV) light generating apparatus and control method for centroid of EUV light | Yoshifumi Ueno, Takayuki Yabu | 2020-03-31 |
| 10531551 | Extreme ultraviolet light generating apparatus | Takayuki Yabu | 2020-01-07 |