H04B 10/0731
Testing or characterisation of optical devices
Official title: {Testing or characterisation of optical devices, e.g. amplifiers}
H04B10/0731 (Testing or characterisation of optical devices) appears on 276 US grants and 276 published applications in this corpus.
Search patents in H04B- Granted patents
- 276
- Published applications
- 276
- Assignees
- 151
- Inventors
- 593
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 4 |
| 2002 | 6 | 11 |
| 2003 | 4 | 5 |
| 2004 | 10 | 8 |
| 2005 | 5 | 6 |
| 2006 | 4 | 3 |
| 2007 | 4 | 1 |
| 2008 | 2 | 3 |
| 2009 | 2 | 4 |
| 2010 | 1 | 4 |
| 2011 | 4 | 2 |
| 2012 | 5 | 7 |
| 2013 | 2 | 6 |
| 2014 | 9 | 13 |
| 2015 | 10 | 9 |
| 2016 | 10 | 9 |
| 2017 | 14 | 18 |
| 2018 | 24 | 25 |
| 2019 | 34 | 21 |
| 2020 | 20 | 21 |
| 2021 | 19 | 16 |
| 2022 | 14 | 23 |
| 2023 | 20 | 19 |
| 2024 | 15 | 10 |
| 2025 | 8 | 19 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for tuning and measuring a device under test using machine learning29 Sep 2026US 12,750,135 B2
- Network controller, estimation method and computer program22 Sep 2026US 12,744,594 B2NTT, Inc.
- Base station system, wireless control unit, wireless communication method, and recording medium8 Sep 2026US 12,732,837 B2
- Optical transmission line monitoring device, optical transmission line monitoring method, and recording medium storing optical transmission line monitoring program25 Aug 2026US 12,719,570 B2NEC Corporation
- Method for determining performance indicator, device and computer storage medium11 Aug 2026US 12,706,667 B2China Mobile Communications Group Co., Ltd.
- Active traceable fiber optic cable1 Oct 2026US 2026/0303206 A1Panduit Corp.
- Optical back reflection diagnostics for micro optical components30 Jul 2026US 2026/0219133 A1Jabil Inc.
- Optical Amplifier Failure Prediction Using Machine Learning23 Jul 2026US 2026/0213484 A1Ciena Corporation
- Window mounted wireless gateway system fabrication process16 Jul 2026US 2026/0205836 A1T-Mobile USA, Inc.
- Modified pseudorandom binary sequence (prbs) pattern for optical transceiver calibration and validation9 Jul 2026US 2026/0197075 A1Cisco Technology, Inc.
Most cited
By later US patents
- Configurable safety shutdown for an optical amplifier using non-volatile storage64US 6,473,224 B2Alcatel · 2002
- Transmitter self-calibration of time delay and frequency response for high baud-rate QAM transceivers51US 9,991,953 B1Cisco Technology, Inc. · 2018
- Method and apparatus for monitoring noise figure of optical amplifier40US 5,471,334 ANippon Telegraph and Telephone Corporation · 1995
- Thermal calibration of a ring modulator35US 10,651,933 B1Xilinx, Inc. · 2020
- Method and device for measuring a noise figure in optical amplifiers27US 5,677,781 AAndo Electric Co., Ltd. · 1997