Issued Patents 2022
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11463169 | Wavelength dispersion amount estimation apparatus | Kengo Horikoshi, Masanori Nakamura, Seiji Okamoto, Fukutaro HAMAOKA | 2022-10-04 |
| 11444699 | Optical transmission system, optical receiving apparatus and optical transmission method | Akira Masuda, Fukutaro HAMAOKA, Shuto Yamamoto, Seiji Okamoto, Kengo Horikoshi +2 more | 2022-09-13 |
| 11444694 | Optical transmission system | Shuto Yamamoto, Akira Masuda, Hiroki Taniguchi | 2022-09-13 |
| 11397363 | Automatic bias control circuit | Hiroto Kawakami, Shoichiro Kuwahara, Masanori Nakamura | 2022-07-26 |
| 11381317 | Optical receiving apparatus and waveform distortion compensation method | Seiji Okamoto, Masanori Nakamura | 2022-07-05 |
| 11349572 | Optical transmission system, optical transmitting apparatus, and optical receiving apparatus | Masanori Nakamura, Seiji Okamoto, Etsushi Yamazaki | 2022-05-31 |
| 11329764 | Error correction device, error correction method, and optical communication system | Fumiaki Nakagawa, Yasuharu Onuma, Katsuichi Oyama, Yasuyuki Endoh, Etsushi Yamazaki +1 more | 2022-05-10 |
| 11323238 | Frame synchronization apparatus, optical communication apparatus, and frame synchronization method | Mitsuteru YOSHIDA, Yasuyuki Endoh, Katsuichi Oyama, Masayuki Ikeda, Tsutomu Takeya +2 more | 2022-05-03 |
| 11316588 | Wavelength dispersion compensation apparatus, wavelength dispersion compensation method, and optical receiving apparatus | Kyo MINOGUCHI, Etsushi Yamazaki, Seiji Okamoto | 2022-04-26 |
| 11303359 | Communication system, optical transmitting apparatus, and optical receiving apparatus | Seiji Okamoto, Fukutaro HAMAOKA, Masanori Nakamura | 2022-04-12 |
| 11283528 | Digital coherent receiver and digital coherent receiving method | Akira Masuda, Seiji Okamoto, Shuto Yamamoto, Fukutaro HAMAOKA, Masanori Nakamura +1 more | 2022-03-22 |
| 11251870 | Optical transmission system | Etsushi Yamazaki | 2022-02-15 |
| 11245487 | Optical transmission control method and optical transmission system | Fukutaro HAMAOKA, Kyo MINOGUCHI, Seiji Okamoto | 2022-02-08 |