Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422628 | Optical waveguide element, and optical modulation device and optical transmission apparatus using same | Shotaro HIRATA, Shingo Takano | 2025-09-23 |
| 12399413 | Optical waveguide element and optical modulator | Kenta OISHI, Shingo Takano | 2025-08-26 |
| 12339529 | Optical modulator and optical transmission device using same | Hideki Ichimei, Minoru Shinozaki | 2025-06-24 |
| 12332534 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Shotaro HIRATA, Masayuki Motoya, Kosuke OKAHASHI, Shingo Takano | 2025-06-17 |
| 12265310 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Kosuke OKAHASHI | 2025-04-01 |
| 12259631 | Optical control element, optical modulation device using same, and optical transmission apparatus | Norikazu Miyazaki | 2025-03-25 |
| 12197052 | Optical waveguide element | Norikazu Miyazaki | 2025-01-14 |
| 12025833 | Optical waveguide element | Norikazu Miyazaki | 2024-07-02 |
| 11977284 | Optical waveguide device, manufacturing method of optical modulation element, optical modulator, optical modulation module, and optical transmission apparatus | Masayuki Motoya, Shotaro HIRATA, Kosuke OKAHASHI, Shingo Takano | 2024-05-07 |
| 11656487 | Optical waveguide element, and optical modulation device and optical transmission apparatus using optical waveguide element | Shingo Takano, Norikazu Miyazaki | 2023-05-23 |
| 11378828 | Optical waveguide device | Shingo Takano, Shoutarou HIRATA | 2022-07-05 |
| 11215754 | Optical waveguide element and manufacturing method therefor | Yuji Yamane, Norikazu Miyazaki, Hideki Ichimei | 2022-01-04 |
| 11099324 | Optical waveguide device | Norikazu Miyazaki | 2021-08-24 |
| 10591670 | Optical waveguide element | Norikazu Miyazaki | 2020-03-17 |