Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339529 | Optical modulator and optical transmission device using same | Hideki Ichimei, Yu Kataoka | 2025-06-24 |
| 10816831 | Optical modulator and optical transmission apparatus | Toru Sugamata | 2020-10-27 |
| 10416527 | Optical modulator | Toru Sugamata | 2019-09-17 |
| 9448457 | Optical modulator | Takatomo Itou, Yukihiro Yazawa | 2016-09-20 |
| 6997621 | Method for fixation of optical fiber in optical device module, and fixation pipe | Tsutomu Saitou, Tooru Sugamata | 2006-02-14 |