Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11764870 | Optical signal monitor, optical wavelength multiplexing transmitter, and method for monitoring optical signal | — | 2023-09-19 |
| 11664920 | Optical transmission apparatus, optical transmission method, and program | — | 2023-05-30 |
| 11489612 | Light wavelength separation device and light wavelength separation method | — | 2022-11-01 |
| 11336375 | Optical transmission apparatus, optical communication system, and optical signal transmission method | — | 2022-05-17 |
| 11206080 | Optical signal monitor, optical wavelength multiplexing transmitter, and method for monitoring optical signal | — | 2021-12-21 |
| 11044034 | Light wavelength separation device and light wavelength separation method | — | 2021-06-22 |
| 10805003 | Optical signal monitor, optical wavelength multiplexing transmitter, and method for monitoring optical signal | — | 2020-10-13 |
| 10666354 | Monitoring system and monitoring method | — | 2020-05-26 |
| 10623095 | Signal detection device and signal detection method | — | 2020-04-14 |
| 10404366 | Optical signal monitor, optical wavelength multiplexing transmitter, and method for monitoring optical signal | — | 2019-09-03 |
| 10056976 | Optical signal monitor, optical wavelength multiplexing transmitter, and method for monitoring optical signal | — | 2018-08-21 |
| 9941961 | Signal detection device and signal detection method | — | 2018-04-10 |
| 9735915 | Optical branching/insertion device, optical branching/insertion method and recording medium | — | 2017-08-15 |
| 8244131 | Optical wavelength multiplexing device, optical wavelength dividing device, optical wavelength dividing multiplexing device, and method of controlling optical band-pass filter | — | 2012-08-14 |
| 7031359 | High-frequency superposing module for driving laser diode | Kazuhiro Iida, Masamichi Tamura | 2006-04-18 |
| 6970050 | Oscillator and high-frequency superposing module for driving laser diode | Kazuhiro Iida, Masamichi Tamura | 2005-11-29 |
| 6693243 | Surface mounting component and mounted structure of surface mounting component | Toshifumi Oida, Akihiro Ochii, Nobuyoshi Okuda, Katsuhiko Fujikawa | 2004-02-17 |