Issued Patents All Time
Showing 1–25 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306479 | Optical modulator and optical transmission apparatus using same | Toru Sugamata | 2025-05-20 |
| 12306478 | Optical modulator and optical transmitter | Toru Sugamata | 2025-05-20 |
| 12259631 | Optical control element, optical modulation device using same, and optical transmission apparatus | Yu Kataoka | 2025-03-25 |
| 12210232 | Optical modulator and optical transmission apparatus using same | Toru Sugamata | 2025-01-28 |
| 12197052 | Optical waveguide element | Yu Kataoka | 2025-01-14 |
| 12189265 | Optical modulator and optical transmission device using same | Toru Sugamata | 2025-01-07 |
| 12147097 | Optical modulator and optical transmission apparatus using same | Toru Sugamata | 2024-11-19 |
| 12130536 | Optical modulator | Kosuke OKAHASHI, Masayuki Motoya | 2024-10-29 |
| 12092910 | Optical modulator | Kosuke OKAHASHI, Masayuki Motoya | 2024-09-17 |
| 12044911 | Optical waveguide element and optical waveguide device | Masayuki Motoya | 2024-07-23 |
| 12025833 | Optical waveguide element | Yu Kataoka | 2024-07-02 |
| 11953767 | Optical modulator and optical transmission apparatus using same | Toru Sugamata | 2024-04-09 |
| 11940708 | Optical modulator | Kosuke OKAHASHI, Masayuki Motoya | 2024-03-26 |
| 11892743 | Optical modulation element and optical modulation module | Yuu Nakata, Satoshi Oikawa | 2024-02-06 |
| 11656487 | Optical waveguide element, and optical modulation device and optical transmission apparatus using optical waveguide element | Yu Kataoka, Shingo Takano | 2023-05-23 |
| 11644734 | Optical modulator and optical module using same | Toru Sugamata | 2023-05-09 |
| 11586061 | Optical waveguide device, and optical modulation device and optical transmission device using same | Hideki Ichimei, Kei Kato | 2023-02-21 |
| 11506950 | Optical waveguide element, optical waveguide device and optical transmission apparatus | Yu NAKATA | 2022-11-22 |
| 11500264 | Optical waveguide device with reinforcement member for optical fiber and waveguide portion | Kei Katou | 2022-11-15 |
| 11500263 | Optical modulator and optical module using this | Toru Sugamata | 2022-11-15 |
| 11460650 | Optical waveguide device, and optical modulation device and optical transmission device using it | Yu NAKATA | 2022-10-04 |
| 11402594 | Optical waveguide device, and optical modulation device and optical transmission device using same | Kei Kato, Hideki Ichimei | 2022-08-02 |
| 11397365 | Optical modulator and optical transmission device | Toru Sugamata | 2022-07-26 |
| 11397364 | Optical modulator and optical transmission apparatus | Toru Sugamata | 2022-07-26 |
| 11397341 | Optical modulator having screw-fastened protrusion | Toru Sugamata | 2022-07-26 |