H04B 10/293
Signal power control
H04B10/293 (Signal power control) appears on 1,397 US grants and 1,078 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,397
- Published applications
- 1,078
- Assignees
- 319
- Inventors
- 2,066
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 19 | 0 |
| 1996 | 27 | 0 |
| 1997 | 23 | 0 |
| 1998 | 38 | 0 |
| 1999 | 43 | 0 |
| 2000 | 69 | 0 |
| 2001 | 68 | 26 |
| 2002 | 113 | 98 |
| 2003 | 92 | 83 |
| 2004 | 72 | 98 |
| 2005 | 55 | 56 |
| 2006 | 81 | 53 |
| 2007 | 53 | 62 |
| 2008 | 50 | 41 |
| 2009 | 39 | 20 |
| 2010 | 30 | 29 |
| 2011 | 33 | 34 |
| 2012 | 26 | 35 |
| 2013 | 26 | 10 |
| 2014 | 36 | 26 |
| 2015 | 30 | 28 |
| 2016 | 28 | 24 |
| 2017 | 25 | 17 |
| 2018 | 19 | 27 |
| 2019 | 27 | 31 |
| 2020 | 28 | 35 |
| 2021 | 34 | 29 |
| 2022 | 34 | 50 |
| 2023 | 34 | 53 |
| 2024 | 35 | 43 |
| 2025 | 32 | 36 |
| 2026 | 36 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-band coexistence element8 Sep 2026US 12,732,276 B2Verizon Patent and Licensing Inc.
- Optical network unit testing in a multi-wavelength passive optical network system8 Sep 2026US 12,732,298 B2Verizon Patent and Licensing Inc.
- Service optical signal transmission method, network device, and optical network1 Sep 2026US 12,726,293 B2Huawei Technologies Co., Ltd.
- Central unit and remote unit25 Aug 2026US 12,719,579 B2Huawei Technologies Co., Ltd.
- Optical signal amplification18 Aug 2026US 12,712,330 B21FINITY Inc.
- Optical relay apparatus, optical transmission system, and optical relay method8 Oct 2026US 2026/0312687 A1NEC Corporation
- Control method for multiband optical transmission system, communication device, and storage medium1 Oct 2026US 2026/0303216 A1Zte Corporation
- Signal flatness adjustment method, electronic device and computer-readable medium24 Sep 2026US 2026/0291610 A1Zte Corporation
- Optical transmission device and optical transmission method3 Sep 2026US 2026/0261340 A1NTT, Inc.
- Power regulation method and optical communication system3 Sep 2026US 2026/0261354 A1Zte Corporation
Most cited
By later US patents
- Method of activating optical communication system, channel increasing/decreasing method, and computer-readable recording medium165US 6,839,160 B2Fujitsu Limited · 2005
- Method of determining optical amplifier failures137US 6,064,501 ANortel Networks Limited · 2000
- Dynamic controller for a multi-channel optical amplifier132US 6,535,330 B1Corning Incorporated · 2003
- Optical system with tunable in-fiber gratings114US 5,579,143 ACiena Corporation · 1996
- Apparatus and method for optical equalization and amplification111US 5,812,710 AFujitsu Limited · 1998