Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9479619 | Transmission apparatus, transmission system, and transmission method | TAKANOBU WAKABAYASHI, Yasushi Tateno | 2016-10-25 |
| 8780736 | Communication apparatus and heat generation suppressing method | Yasuyuki Mitsumori | 2014-07-15 |
| 7522533 | Optical transmission apparatus having path trace function | — | 2009-04-21 |
| 7020395 | Optical transmission apparatus monitoring optical performance | Akihiko Oka, Junichi Ishiwatari | 2006-03-28 |