H04B 10/90
Non-optical transmission systems
Official title: Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation
H04B10/90 (Non-optical transmission systems) appears on 216 US grants and 239 published applications in this corpus.
Search patents in H04B- Granted patents
- 216
- Published applications
- 239
- Assignees
- 135
- Inventors
- 520
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 6 |
| 2011 | 1 | 9 |
| 2012 | 0 | 3 |
| 2013 | 14 | 10 |
| 2014 | 8 | 14 |
| 2015 | 8 | 21 |
| 2016 | 19 | 19 |
| 2017 | 23 | 19 |
| 2018 | 22 | 20 |
| 2019 | 24 | 23 |
| 2020 | 26 | 21 |
| 2021 | 16 | 12 |
| 2022 | 9 | 14 |
| 2023 | 16 | 10 |
| 2024 | 13 | 12 |
| 2025 | 12 | 6 |
| 2026 | 2 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electron spin wave multiplexing device2 Jul 2026US 2026/0190866 A1Tohoku University
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Most cited
By later US patents
- Methods and apparatus for inducing a fundamental wave mode on a transmission medium514US 9,509,415 B1AT&T Intellectual Property I, L. P. · 2016
- Dual mode communications device and methods for use therewith426US 10,062,970 B1AT&T Intellectual Property I, L. P. · 2018
- Apparatus and methods for launching guided waves via plural waveguide systems263US 10,340,600 B2AT&T Intellectual Property I, L. P. · 2019
- Millimeter wave transceiving system and reflecting plate227US 8,412,130 B2Sharp Kabushiki Kaisha · 2013
- Methods and apparatus for controllable coupling of an electromagnetic wave172US 10,469,192 B2AT&T Intellectual Property I, L. P. · 2019