Issued Patents 2018
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10162136 | Optical transmission device and bidirectional optical transmission device | Katsuhiro Takenaga | 2018-12-25 |
| 9880404 | Optical waveguide device and method of manufacturing the same | Kensuke Ogawa, Guo-Qiang Lo, Tsung-Yang Liow, Xiaoguang Tu | 2018-01-30 |
| 9874697 | Polarization-maintaining optical fiber and bidirectional optical transmission apparatus | — | 2018-01-23 |
| 9869816 | Light combining/dividing element and light modulator | Norihiro Ishikura | 2018-01-16 |
| 9864215 | Substrate-type optical waveguide and substrate-type optical modulator | Shinichi Sakamoto, Norihiro Ishikura | 2018-01-09 |
| 9857533 | Optical waveguide element, light-receiving device, optical communication device, optical modulator, optical resonator, and method for manufacturing optical waveguide element | Hiroyuki Kusaka, Ryokichi Matsumoto, Kensuke Ogawa | 2018-01-02 |
| 9857534 | Optical waveguide device having a light absorber for split out modes | Hiroyuki Kusaka, Kensuke Ogawa | 2018-01-02 |