Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12375839 | Surveillance control device and optical power supply system | Tomohiro KAWANO, Chisato FUKAI, Kazunori KATAYAMA | 2025-07-29 |
| 11976962 | Optical-fiber path searching method, optical-fiber path searching system, signal processing device, and program | Yoshifumi Wakisaka, Daisuke IIDA, Tetsuya Manabe | 2024-05-07 |
| 11920974 | Vibration distribution measuring system, vibration waveform analysis method, vibration waveform analyzing device, and analyzing program | Tatsuya Okamoto, Daisuke IIDA, Tetsuya Manabe | 2024-03-05 |
| 11867555 | Phase measurement method and signal processing device | Yoshifumi Wakisaka, Daisuke IIDA, Hiroyuki OSHIDA | 2024-01-09 |
| 11402295 | Optical fiber loss measurement device and optical fiber loss measurement method | Tomokazu Oda, Hiroshi Takahashi, Tetsuya Manabe | 2022-08-02 |
| 11385082 | Environmental characteristic measurement device and environmental characteristic measurement method | Hiroshi Takahashi, Tomokazu Oda, Tetsuya Manabe | 2022-07-12 |
| 11385128 | Optical device loss measurement apparatus, and optical device loss measurement method | Hiroshi Takahashi, Tomokazu Oda, Tetsuya Manabe | 2022-07-12 |
| 11378489 | Propagation characteristic analysis device and propagation characteristic analysis method | Hiroshi Takahashi, Tomokazu Oda, Tetsuya Manabe | 2022-07-05 |
| 11300455 | Optical spectral line width calculation method, device, and program | Shingo Ono, Tetsuya Manabe | 2022-04-12 |
| 11280668 | Distributed optical fiber vibration measurement device and distributed optical fiber vibration measurement method | Daisuke IIDA, Shingo Ono, Yoshifumi Wakisaka, Tetsuya Manabe | 2022-03-22 |
| 9933581 | Optical fiber connector | Takaharu Matsuda, Hung Luong, Tatsuya Ota, Kazuhiro Takizawa, Hiroichi Katayose +2 more | 2018-04-03 |
| 8548294 | Optical fiber cable and optical fiber ribbon | Yusuke Yamada, Kazuo Hogari | 2013-10-01 |