| 12346000 |
Planar optical waveguide device for measuring amplitude phase of squeezed light |
Asuka Inoue, Ryoichi Kasahara, Takeshi Umeki, Osamu Tadanaga, Koji Embutsu +2 more |
2025-07-01 |
| 12339564 |
Wavelength conversion apparatus |
Takahiro Kashiwazaki, Koji Embutsu, Takeshi Umeki, Osamu Tadanaga, Takushi Kazama +2 more |
2025-06-24 |
| 12153325 |
Wavelength converter |
Koji Embutsu, Takeshi Umeki, Osamu Tadanaga, Takahiro Kashiwazaki, Takushi Kazama +1 more |
2024-11-26 |
| 12085836 |
Optical amplifier |
Takushi Kazama, Takeshi Umeki, Takahiro Kashiwazaki, Osamu Tadanaga, Koji Embutsu +2 more |
2024-09-10 |
| 12032269 |
Wavelength conversion apparatus |
Koji Embutsu, Osamu Tadanaga, Takeshi Umeki, Asuka Inoue, Ryoichi Kasahara +2 more |
2024-07-09 |
| 11960152 |
Method for adjusting transmitted wavelength of signal light transmitted through optical waveguide device |
Katsuhiko Hirabayashi, Satomi Katayose, Ryoichi Kasahara |
2024-04-16 |
| 11888528 |
Optical communication system |
Takushi Kazama, Takeshi Umeki, Takahiro Kashiwazaki, Osamu Tadanaga, Koji Embutsu +2 more |
2024-01-30 |
| 11835768 |
Filling resin and optical waveguide circuit filled with filling resin |
Katsuhiko Hirabayashi, Ryoichi Kasahara |
2023-12-05 |
| 11815715 |
Planar optical waveguide device |
Takahiro Kashiwazaki, Takeshi Umeki, Osamu Tadanaga, Koji Embutsu, Asuka Inoue +1 more |
2023-11-14 |
| 11815785 |
Wavelength conversion optical element |
Takahiro Kashiwazaki, Takeshi Umeki, Ryoichi Kasahara, Osamu Tadanaga, Koji Embutsu +1 more |
2023-11-14 |
| 11768421 |
Wavelength conversion device |
Osamu Tadanaga, Takeshi Umeki, Koji Embutsu, Takahiro Kashiwazaki, Asuka Inoue +2 more |
2023-09-26 |
| 11740537 |
Optical signal processing circuit |
Takeshi Umeki, Takushi Kazama, Koji Embutsu, Takahiro Kashiwazaki, Osamu Tadanaga +1 more |
2023-08-29 |
| 11733584 |
Wavelength conversion apparatus |
Koji Embutsu, Ryoichi Kasahara, Takeshi Umeki, Osamu Tadanaga, Takushi Kazama +1 more |
2023-08-22 |
| 11644735 |
Wavelength conversion element |
Osamu Tadanaga, Takahiro Kashiwazaki, Takushi Kazama, Takeshi Umeki, Koji Embutsu +1 more |
2023-05-09 |