Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10281748 | Optical modulator and optical module | Yoshihiko Yoshida, Yasuhiro Ohmori, Yoshinobu Kubota | 2019-05-07 |
| 8831385 | Mach-zehnder modulator | Masaki Sugiyama, Yoshihiko Yoshida, Yoshitada Kawashima | 2014-09-09 |