Issued Patents All Time
Showing 1–25 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11063767 | Apparatus and method to perform secure data sharing in a distributed network by using a blockchain | Satoshi Imai, Toru Katagiri | 2021-07-13 |
| 10708239 | Edge server, encryption communication control method thereof, and terminal | Satoshi Imai, Toru Katagiri, Tetsuya Yamada | 2020-07-07 |
| 10256911 | Harmonic generation and phase sensitive amplification using a bragg reflection waveguide | Inwoong Kim, Youichi Akasaka, Jeng-Yuan Yang | 2019-04-09 |
| 10250484 | Network service computation system | Qiong Zhang, Xi Wang, Paparao Palacharla | 2019-04-02 |
| 9923634 | Harmonic generation and phase sensitive amplification using a bragg reflection waveguide | Inwoong Kim, Youichi Akasaka, Jeng-Yuan Yang | 2018-03-20 |
| 9912435 | Nonlinear penalty estimation using spectral inversion in optical transport networks | Inwoong Kim, Olga Vassilieva, Paparao Palacharla | 2018-03-06 |
| 9843410 | Low-noise optical phase sensitive amplifier using a semiconductor nonlinear optical device | Jeng-Yuan Yang, Inwoong Kim, Youichi Akasaka | 2017-12-12 |
| 9838253 | Object-oriented network virtualization | Xi Wang, Paparao Palacharla, Qiong Zhang, Inwoong Kim | 2017-12-05 |
| 9837788 | Optical phase-sensitive amplifier with raman amplifier intermediate stage | Youichi Akasaka | 2017-12-05 |
| 9768878 | Methods and systems for superchannel power pre-emphasis | Olga Vassilieva, Inwoong Kim | 2017-09-19 |
| 9712249 | Methods and systems for superchannel subcarrier monitoring using amplitude modulated tones | Inwoong Kim, Olga Vassilieva | 2017-07-18 |
| 9698912 | Methods and systems for superchannel subcarrier monitoring using frequency modulation tones | Olga Vassilieva, Inwoong Kim | 2017-07-04 |
| 9699074 | Efficient utilization of transceivers for shared restoration in flexible grid optical networks | Qiong Zhang, Xi Wang, Paparao Palacharla | 2017-07-04 |
| 9680596 | Span-wise spectrum management system and method | Martin Bouda, Paparao Palacharla | 2017-06-13 |
| 9654223 | Superchannel power pre-emphasis based on transmission criteria | Olga Vassilieva, Inwoong Kim | 2017-05-16 |
| 9614751 | Optical path computation based on a reachability matrix | Martin Bouda, Xi Wang, Qiong Zhang, Chengyi Gao | 2017-04-04 |
| 9614638 | Methods and systems for periodic optical filtering to identify tone modulated optical signals | Inwoong Kim, Olga Vassilieva, Paparao Palacharla | 2017-04-04 |
| 9565101 | Risk mitigation in data center networks | Qiong Zhang, Qingya She, Xi Wang, Paparao Palacharla | 2017-02-07 |
| 9515727 | In-band optical signal-to-noise ratio monitor | Jeng-Yuan Yang, Youichi Akasaka, Takuji Maeda, Hiroki Ooi, Satoru Okano | 2016-12-06 |
| 9515733 | Mitigation of spectral offset in an optical filter | Youichi Akasaka, Jeng-Yuan Yang, Hiroki Ooi, Satoru Okano, Takuji Maeda | 2016-12-06 |
| 9503367 | Risk mitigation in data center networks using virtual machine sharing | Qiong Zhang, Xi Wang, Paparao Palacharla | 2016-11-22 |
| 9485019 | Methods and systems for optical channel monitoring with periodic optical filtering of dual polarization signals | Inwoong Kim, Olga Vassilieva | 2016-11-01 |
| 9485554 | Methods and systems for using modulation frequencies for optical channel monitoring with periodic optical filtering | Inwoong Kim, Olga Vassilieva, Paparao Palacharla | 2016-11-01 |
| 9461745 | Optimizing optical network simulations | Olga Vassilieva, Inwoong Kim | 2016-10-04 |
| 9444550 | Flexible virtual optical network provisioning using distance-adaptive modulation | Xi Wang, Qiong Zhang, Inwoong Kim, Paparao Palacharla | 2016-09-13 |