Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362831 | Optical main signal processing node apparatus and control method of optical main signal processing node apparatus | Keita NISHIMOTO, Yukio TOYOSHIMA, Takashi Yamada, Junichi KANI | 2025-07-15 |
| 12212405 | Transmission device management device, transmission device management system, transmission device management method and program | Keita NISHIMOTO, Junichi KANI | 2025-01-28 |
| 11921333 | Wavelength-selection type optical receiving apparatus | Takuya KANAI, Takeshi Imai, Yumiko SENOO | 2024-03-05 |
| 11848701 | Optical space communication system and optical space communication method | Takeshi Imai, Takuya KANAI | 2023-12-19 |
| 11506883 | Optical wavelength selecting filter-module and optical wavelength selecting method | Takeshi Imai, Takuya KANAI, Yumiko SENOO | 2022-11-22 |
| 11388056 | Information management system and information management method | Keita NISHIMOTO, Tomoya HATANO | 2022-07-12 |
| 11258510 | Tunable optical filter control apparatus and tunable optical filter control method | Takeshi Imai, Takuya KANAI | 2022-02-22 |
| 11197077 | Transmission device, and transmission method | Takamitsu TOCHINO, Takashi Mitsui, Tomoya HATANO | 2021-12-07 |
| 10958349 | Virtual subscriber line terminal station device and control method for virtual subscriber line terminal station device | Hirotaka UJIKAWA, Noriyuki Oota | 2021-03-23 |
| 10594431 | Optical transceiver and control method | Katsuhisa Taguchi | 2020-03-17 |
| 10536237 | Optical transceiver and control method | Katsuhisa Taguchi | 2020-01-14 |
| 10361807 | Station-side device and wavelength control method | Katsuhisa Taguchi, Tomoaki Yoshida, Shunji Kimura | 2019-07-23 |
| 10250331 | Subscriber device and light receiving method | Katsuhisa Taguchi | 2019-04-02 |
| 10230485 | Station-side device and wavelength changeover method | Tomoaki Yoshida, Shunji Kimura | 2019-03-12 |
| 9923637 | Burst optical signal transmission device and control method for burst optical signal transmission device | Katsuhisa Taguchi, Hirotaka Nakamura | 2018-03-20 |
| 9912116 | Burst optical signal transmission device and burst optical signal transmission method | Katsuhisa Taguchi | 2018-03-06 |