Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346000 | Planar optical waveguide device for measuring amplitude phase of squeezed light | Asuka Inoue, Ryoichi Kasahara, Takeshi Umeki, Osamu Tadanaga, Nobutatsu Koshobu +2 more | 2025-07-01 |
| 12339564 | Wavelength conversion apparatus | Takahiro Kashiwazaki, Takeshi Umeki, Osamu Tadanaga, Takushi Kazama, Asuka Inoue +2 more | 2025-06-24 |