Issued Patents 2017
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9843410 | Low-noise optical phase sensitive amplifier using a semiconductor nonlinear optical device | Jeng-Yuan Yang, Youichi Akasaka, Motoyoshi Sekiya | 2017-12-12 |
| 9838253 | Object-oriented network virtualization | Xi Wang, Motoyoshi Sekiya, Paparao Palacharla, Qiong Zhang | 2017-12-05 |
| 9838123 | Nonlinear noise mitigation with spectral inversion in optical transport networks | Olga Vassilieva, Paparao Palacharla, Tadashi Ikeuchi | 2017-12-05 |
| 9768878 | Methods and systems for superchannel power pre-emphasis | Olga Vassilieva, Motoyoshi Sekiya | 2017-09-19 |
| 9712249 | Methods and systems for superchannel subcarrier monitoring using amplitude modulated tones | Olga Vassilieva, Motoyoshi Sekiya | 2017-07-18 |
| 9698912 | Methods and systems for superchannel subcarrier monitoring using frequency modulation tones | Olga Vassilieva, Motoyoshi Sekiya | 2017-07-04 |
| 9673907 | Constellation shaping of modulation formats for optical communication systems | Olga Vassilieva, Tadashi Ikeuchi | 2017-06-06 |
| 9654223 | Superchannel power pre-emphasis based on transmission criteria | Olga Vassilieva, Motoyoshi Sekiya | 2017-05-16 |
| 9614638 | Methods and systems for periodic optical filtering to identify tone modulated optical signals | Olga Vassilieva, Paparao Palacharla, Motoyoshi Sekiya | 2017-04-04 |