Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12301284 | Spatial optical communication system | Rintaro Harada, Shin KANEKO | 2025-05-13 |
| 12225446 | Performing a control operation to switch a plurality of communication paths | Keita Takahashi, Jun Terada | 2025-02-11 |
| 12155417 | Optical transmission device, optical communication system, and optical communication method | Hirotaka UJIKAWA | 2024-11-26 |
| 12149338 | Multiplex transmission system and connection method between ports for multiplex transmission system | Hiroko Nomura, Keita Takahashi, Tomoya HATANO | 2024-11-19 |
| 12114201 | Signal transfer device, signal transfer method, signal transfer control device, signal transfer control method and signal transfer program | Hiroyuki Uzawa, Yoichi FUKADA, Jun Terada | 2024-10-08 |
| 12095548 | Multiplex transmission system and connection method between ports for multiplex transmission system | Keita Takahashi, Hiroko Nomura, Tomoya HATANO | 2024-09-17 |
| 12088978 | Communication system and ONU system | Tomoya HATANO, Keita Takahashi, Hiroko Nomura | 2024-09-10 |
| 12063072 | Communication system and OLT system | Tomoya HATANO, Keita Takahashi, Hiroko Nomura | 2024-08-13 |
| 12058557 | Communication system, communication device, and terminal device | Tatsuya FUKUI, Keita Takahashi, Hideaki Kimura, Noriyuki Ota, Hirofumi Yamamoto +1 more | 2024-08-06 |
| 12047848 | Relay device, relay method, and relay program | Hirofumi Yamamoto, Keita Takahashi, Noriyuki Ota, Jun Terada | 2024-07-23 |
| 12010521 | Signal transfer system, signal transfer method, and path control device | Keita Takahashi, Tatsuya FUKUI, Hideaki Kimura, Hirofumi Yamamoto, Noriyuki Ota +1 more | 2024-06-11 |
| 11936432 | Communication system and OLT system | Tomoya HATANO, Keita Takahashi, Hiroko Nomura | 2024-03-19 |
| 11923950 | Relay device, relay method, and relay program | Hirofumi Yamamoto, Keita Takahashi, Noriyuki Ota, Jun Terada | 2024-03-05 |
| 11924740 | Signal transfer system, signal transfer device, route control device and signal transfer method | Hiroyuki Uzawa, Hirotaka UJIKAWA, Yoichi FUKADA, Jun Terada | 2024-03-05 |
| 11924111 | Signal transfer device and signal transfer method | Hiroyuki Uzawa, Noriyuki Ota, Jun Terada | 2024-03-05 |
| 11909658 | Signal transfer system, path control device, and signal transfer method | Hiroyuki Uzawa, Jun Terada | 2024-02-20 |
| 11825395 | Route control method and route control device | Hiroyuki Uzawa, Yoichi FUKADA, Jun Terada | 2023-11-21 |
| 11804897 | Multiplex transmission system and multiplex transmission method | Keita Takahashi, Tatsuya FUKUI, Hideaki Kimura, Hirofumi Yamamoto, Noriyuki Ota +1 more | 2023-10-31 |
| 11804920 | Signal transfer management device, signal transfer management method and signal transfer management program | Keita Takahashi, Jun Terada | 2023-10-31 |
| 11757788 | Signal transfer system, signal transfer device, signal transfer method and signal transfer program | Hiroko Nomura, Keita Takahashi, Tomoya HATANO | 2023-09-12 |
| 11711303 | Communication control system, communication control method, communication control apparatus and communication control program | Hiroyuki Uzawa, Yoichi FUKADA, Jun Terada | 2023-07-25 |
| 11706664 | Route control method and route control device | Hiroyuki Uzawa, Yoichi FUKADA, Jun Terada | 2023-07-18 |
| 11695455 | Wireless communication system, relay device, and receiving device | Jun Terada, Shinsuke Ibi, Seiichi Sanpei | 2023-07-04 |
| 10469167 | Optical communication system and optical communication method | Shigeru Kuwano, Yutaka Kamamoto, Takehiro Moriya, Jun Terada | 2019-11-05 |
| 10211921 | Optical communication system and optical communication method | Shigeru Kuwano, Yutaka Kamamoto, Takehiro Moriya, Jun Terada | 2019-02-19 |