Issued Patents 2017
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9851504 | Planar optical waveguide device, DP-QPSK modulator, coherent receiver, and polarization diversity | — | 2017-12-26 |
| 9851505 | Substrate-type optical waveguide element | — | 2017-12-26 |
| 9835798 | Planar optical waveguide device, polarization multiplexing 4-value phase modulator, coherent receiver, and polarization diversity | — | 2017-12-05 |
| 9810842 | Substrate-type optical waveguide element | — | 2017-11-07 |
| 9784918 | Substrate-type optical waveguide element | — | 2017-10-10 |
| 9557482 | High-order polarization conversion device, optical waveguide device, and DP-QPSK modulator | Kazuhiro Goi, Kensuke Ogawa, Hiroyuki Kusaka | 2017-01-31 |