Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8320772 | Optical transmission apparatus | Hiroki Ooi, George Ishikawa, Hirotoshi Kodaka | 2012-11-27 |
| 7925171 | Optical transmission apparatus | Hiroki Ooi, George Ishikawa, Hirotoshi Kodaka | 2011-04-12 |
| 7366362 | QPSK light modulator | — | 2008-04-29 |