Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9520948 | Optical transmission device | Masaharu Doi, Yoshinobu Kubota, Teruhiro Kubo | 2016-12-13 |
| 8831385 | Mach-zehnder modulator | Masaki Sugiyama, Yoshihiko Yoshida, Toyokazu Sasaki | 2014-09-09 |