Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11442225 | Wavelength conversion element and method for manufacturing wavelength conversion element | Takahiro Kashiwazaki, Ryoichi Kasahara, Osamu Tadanaga, Takeshi Umeki, Takushi Kazama | 2022-09-13 |
| 11385521 | Wavelength conversion apparatus | Takeshi Umeki, Takushi Kazama, Takahiro Kashiwazaki, Osamu Tadanaga, Ryoichi Kasahara | 2022-07-12 |
| 11387909 | Optical signal transmitter | Takushi Kazama, Takeshi Umeki, Takahiro Kashiwazaki, Osamu Tadanaga, Ryoichi Kasahara | 2022-07-12 |