Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10741991 | Narrowband laser apparatus and spectral linewidth measuring apparatus | Takahito Kumazaki, Keisuke Ishida | 2020-08-11 |
| 10615565 | Line narrowed laser apparatus | Keisuke Ishida, Takeshi Ohta, Takahito Kumazaki, Osamu Wakabayashi | 2020-04-07 |