H03D 9/00
Demodulation or transference of modulation of modulated electromagnetic waves
Official title: Demodulation or transference of modulation of modulated electromagnetic waves (demodulating light, transferring modulation in light waves G02F2/00)
H03D9/00 (Demodulation or transference of modulation of modulated electromagnetic waves) appears on 475 US grants and 108 published applications in this corpus.
Search patents in H03D- Granted patents
- 475
- Published applications
- 108
- Assignees
- 217
- Inventors
- 741
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 13 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 16 | 0 |
| 1981 | 17 | 0 |
| 1982 | 15 | 0 |
| 1983 | 19 | 0 |
| 1984 | 14 | 0 |
| 1985 | 18 | 0 |
| 1986 | 18 | 0 |
| 1987 | 20 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 17 | 0 |
| 1995 | 10 | 0 |
| 1996 | 23 | 0 |
| 1997 | 11 | 0 |
| 1998 | 28 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 2 |
| 2002 | 6 | 10 |
| 2003 | 7 | 7 |
| 2004 | 9 | 9 |
| 2005 | 6 | 12 |
| 2006 | 15 | 13 |
| 2007 | 5 | 5 |
| 2008 | 4 | 7 |
| 2009 | 9 | 5 |
| 2010 | 5 | 6 |
| 2011 | 4 | 5 |
| 2012 | 5 | 3 |
| 2013 | 7 | 6 |
| 2014 | 4 | 1 |
| 2015 | 4 | 1 |
| 2016 | 7 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 4 | 3 |
| 2021 | 1 | 1 |
| 2022 | 3 | 1 |
| 2023 | 1 | 3 |
| 2024 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Terahertz mixer, method of manufacturing terahertz mixer, and electronic device including terahertz mixer19 Nov 2024US 12,149,014 B2Nuctech Company Limited
- Radio-frequency apparatus with multi-band wideband balun and associated methods27 Feb 2024US 11,916,514 B2Silicon Laboratories Inc.
- Demodulation of non-return to zero (NRZ) or other signals using multiple-input artificial intelligence/machine learning (AI/ML) model27 Feb 2024US 11,916,515 B2Raytheon Company
- Traveling wave mixer29 Aug 2023US 11,742,801 B2Keysight Technologies, Inc.
- Microstrip mixer and microwave-doppler detecting module4 Oct 2022US 11,460,537 B2
- Demodulation of non-return to zero (nrz) or other signals using multiple-input artificial intelligence/machine learning (ai/ml) model17 Aug 2023US 2023/0261613 A1Raytheon Company
- Traveling wave mixer4 May 2023US 2023/0140378 A1Keysight Technologies, Inc.
- Distributed Circuit5 Jan 2023US 2023/0006625 A1Nippon Telegraph and Telephone Corporation
- Terahertz mixer, method of manufacturing terahertz mixer, and electronic device including terahertz mixer7 Apr 2022US 2022/0109241 A1Nuctech Company Limited
- Microstrip Mixer and Microwave-Doppler Detecting Module17 Jun 2021US 2021/0181299 A1
Most cited
By later US patents
- Resistive planar star double-balanced mixer236US 5,265,266 ARockwell International Corporation · 1993
- Oscillator-shuttle-circuit (OSC) networks for conditioning energy in higher-order symmetry algebraic topological forms and RF phase conjugation234US 5,493,691 A1996
- Double balance differential active ring mixer with current shared active input balun153US 6,057,714 AConexant Systems, Inc. · 2000
- Resonant loop resistive FET mixer134US 5,263,198 AHoneywell Inc. · 1993
- Microwave frequency converter130US 4,245,355 AEaton Corporation · 1981