Issued Patents 2022
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11463169 | Wavelength dispersion amount estimation apparatus | Kengo Horikoshi, Masanori Nakamura, Yoshiaki Kisaka, Seiji Okamoto | 2022-10-04 |
| 11444699 | Optical transmission system, optical receiving apparatus and optical transmission method | Akira Masuda, Shuto Yamamoto, Seiji Okamoto, Kengo Horikoshi, Masanori Nakamura +2 more | 2022-09-13 |
| 11303359 | Communication system, optical transmitting apparatus, and optical receiving apparatus | Seiji Okamoto, Masanori Nakamura, Yoshiaki Kisaka | 2022-04-12 |
| 11283527 | Optical transmitting system, optical transmitting apparatus, optical receiving apparatus and transfer function estimating method | Masanori Nakamura, Hiroshi Yamazaki, Munehiko Nagatani, Takayuki Kobayashi, Yutaka Miyamoto | 2022-03-22 |
| 11283528 | Digital coherent receiver and digital coherent receiving method | Akira Masuda, Seiji Okamoto, Shuto Yamamoto, Masanori Nakamura, Asuka Matsushita +1 more | 2022-03-22 |
| 11245487 | Optical transmission control method and optical transmission system | Kyo MINOGUCHI, Seiji Okamoto, Yoshiaki Kisaka | 2022-02-08 |