H04B 10/00
Transmission systems employing electromagnetic waves other than radio-waves
Official title: Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
H04B10/00 (Transmission systems employing electromagnetic waves other than radio-waves) appears on 31,608 US grants and 31,192 published applications in this corpus.
Search patents in H04B- Granted patents
- 31,608
- Published applications
- 31,192
- Assignees
- 5,413
- Inventors
- 37,962
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 38 | 0 |
| 1977 | 45 | 0 |
| 1978 | 45 | 0 |
| 1979 | 37 | 0 |
| 1980 | 57 | 0 |
| 1981 | 58 | 0 |
| 1982 | 46 | 0 |
| 1983 | 61 | 0 |
| 1984 | 53 | 0 |
| 1985 | 80 | 0 |
| 1986 | 69 | 0 |
| 1987 | 99 | 0 |
| 1988 | 107 | 0 |
| 1989 | 124 | 0 |
| 1990 | 122 | 0 |
| 1991 | 187 | 0 |
| 1992 | 167 | 0 |
| 1993 | 178 | 0 |
| 1994 | 267 | 0 |
| 1995 | 259 | 0 |
| 1996 | 284 | 0 |
| 1997 | 232 | 0 |
| 1998 | 360 | 0 |
| 1999 | 396 | 0 |
| 2000 | 423 | 0 |
| 2001 | 509 | 209 |
| 2002 | 648 | 996 |
| 2003 | 697 | 934 |
| 2004 | 655 | 1162 |
| 2005 | 622 | 953 |
| 2006 | 859 | 831 |
| 2007 | 706 | 827 |
| 2008 | 707 | 798 |
| 2009 | 619 | 891 |
| 2010 | 684 | 827 |
| 2011 | 663 | 866 |
| 2012 | 759 | 990 |
| 2013 | 861 | 1076 |
| 2014 | 1125 | 1316 |
| 2015 | 1351 | 1446 |
| 2016 | 1476 | 1620 |
| 2017 | 1755 | 1756 |
| 2018 | 1761 | 1819 |
| 2019 | 2058 | 1667 |
| 2020 | 1715 | 1653 |
| 2021 | 1468 | 1476 |
| 2022 | 1399 | 1621 |
| 2023 | 1312 | 1520 |
| 2024 | 1377 | 1537 |
| 2025 | 1156 | 1360 |
| 2026 | 872 | 1041 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04B 10/50Transmitters8,331
- H04B 10/25Arrangements specific to fibre transmission8,031
- H04B 10/60Receivers5,820
- H04B 10/07Arrangements for monitoring or testing transmission systems5,759
- H04B 10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum5,282
- H04B 10/40Transceivers3,464
- H04B 10/29Repeaters3,085
- H04B 10/27Arrangements for networking2,721
Recent patents
- Crosstalk measuring method, and crosstalk measuring device6 Oct 2026US 12,754,100 B2Fujikura Ltd.
- Quantum mixer to sense arbitrary-frequency fields6 Oct 2026US 12,755,180 B2Massachusetts Institute of Technology
- Wireless power distribution system6 Oct 2026US 12,756,239 B2Wi-Charge Ltd.
- Optical time domain reflectometer (OTDR)-based fiber monitoring optimization6 Oct 2026US 12,756,459 B2Viavi Solutions Inc.
- Cloud-based rogue network device detection6 Oct 2026US 12,756,460 B1Calix, Inc.
- System for detecting circuit anomalies in trailer wiring8 Oct 2026US 2026/0309762 A1Grote Industries, Inc.
- Photonic quantum computer architecture and methods of operation8 Oct 2026US 2026/0311016 A1Psiquantum, Corp.
- System and method for optically transmitting electrical power or communications signals8 Oct 2026US 2026/0312434 A1University of Connecticut
- A Redundancy System and Switchable TIA8 Oct 2026US 2026/0312555 A1
- Identification Method for Branch Ports of Optical Distribution Network, and Optical Distribution Network8 Oct 2026US 2026/0312678 A1Zte Corporation
Most cited
By later US patents
- Shaft, e.g., for an electro-mechanical surgical device1,633US 8,960,519 B2Covidien LP · 2015
- Universal lighting network methods and systems1,007US 6,548,967 B1Color Kinetics Incorporated · 2003
- Shaft for an electro-mechanical surgical device764US 9,504,455 B2Covidien LP · 2016
- Pulse oximetry system with electrical decoupling circuitry734US 9,107,625 B2Masimo Corporation · 2015
- Backhaul link for distributed antenna system604US 9,113,347 B2AT&T Intellectual Property I, L. P. · 2015