Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10482851 | Key unit and keyboard instrument | Toshiya Kuno, Hirokazu Taniguchi | 2019-11-19 |
| 10303061 | Extreme ultraviolet light generation device | Takayuki Yabu, Yoshifumi Ueno | 2019-05-28 |
| 10251254 | Extreme ultraviolet light generating apparatus and control method for centroid of extreme ultraviolet light | Takayuki Yabu | 2019-04-02 |
| 10225918 | Extreme ultraviolet light generating apparatus | Takayuki Yabu | 2019-03-05 |