Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431980 | Optical transceiver, optical communication system, optical transmission apparatus, optical transceiver setting method, and computer readable medium | Masaki Oe | 2025-09-30 |
| 11784739 | Wavelength-tunable pluggable optical module, optical communication system and wavelength change method of wavelength-tunable pluggable optical module | — | 2023-10-10 |
| 10998999 | Wavelength-tunable pluggable optical module, optical communication system and wavelength change method of wavelength-tunable pluggable optical module | — | 2021-05-04 |
| 10630415 | Wavelength-tunable pluggable optical module, optical communication system and wavelength change method of wavelength-tunable pluggable optical module | — | 2020-04-21 |
| 10135558 | Wavelength-tunable pluggable optical module, optical communication system and wavelength change method of wavelength-tunable pluggable optical module | — | 2018-11-20 |
| 9400211 | Optical power monitoring device, method, and program | — | 2016-07-26 |
| 9297694 | Correction device and correction method for light reception power monitor | — | 2016-03-29 |
| 7935919 | Burst light receiving power monitor circuit, method, and program | — | 2011-05-03 |
| 7842910 | Control of light emitting and receiving elements of optical module based on property data associated with elements as stored on memory circuit of optical module | — | 2010-11-30 |
| 6731881 | Device for transmitting and receiving optical signals | — | 2004-05-04 |
| 6697400 | Circuit for driving a laser diode which has a feed-forward type APC circuit and method for driving a laser diode by using the APC circuit | — | 2004-02-24 |