Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416520 | Specifying system, specifying apparatus, and specifying method | Yukihide YODA, Koyo MORI | 2025-09-16 |
| 12352619 | Optical fiber sensing system, optical fiber sensing method, and optical fiber sensing apparatus | Yoshiaki Aono, Yoshinori Kitahara, Satoru Ishii | 2025-07-08 |
| 12117336 | Optical fiber sensing system, optical fiber sensing method, and optical fiber sensing apparatus | Satoru Ishii, Yoshinori Kitahara, Yoshiaki Aono | 2024-10-15 |
| 12009855 | Monitoring system, monitoring device, and monitoring method | Yoshinori Kitahara, Yoshiaki Aono, Yuusuke Sakurai | 2024-06-11 |
| 6313933 | Bidirectional wavelength division multiplex transmission apparatus | — | 2001-11-06 |
| 6078414 | Optical transmitter system | — | 2000-06-20 |
| 5644423 | Method and device for optical amplification | — | 1997-07-01 |
| 5526160 | Optical transmitter and receiver device with a single optical module | Nobutaka Watanabe | 1996-06-11 |