H04B 10/66
Non-coherent receivers
Official title: Non-coherent receivers, e.g. using direct detection
H04B10/66 (Non-coherent receivers) appears on 3,023 US grants and 2,935 published applications in this corpus.
Search patents in H04B- Granted patents
- 3,023
- Published applications
- 2,935
- Assignees
- 929
- Inventors
- 5,106
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 9 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 10 | 0 |
| 1984 | 7 | 0 |
| 1985 | 17 | 0 |
| 1986 | 13 | 0 |
| 1987 | 14 | 0 |
| 1988 | 17 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 17 | 0 |
| 1992 | 12 | 0 |
| 1993 | 17 | 0 |
| 1994 | 26 | 0 |
| 1995 | 22 | 0 |
| 1996 | 19 | 0 |
| 1997 | 14 | 0 |
| 1998 | 30 | 0 |
| 1999 | 21 | 0 |
| 2000 | 24 | 0 |
| 2001 | 32 | 8 |
| 2002 | 36 | 58 |
| 2003 | 42 | 67 |
| 2004 | 43 | 76 |
| 2005 | 48 | 96 |
| 2006 | 71 | 88 |
| 2007 | 61 | 113 |
| 2008 | 69 | 99 |
| 2009 | 84 | 130 |
| 2010 | 88 | 108 |
| 2011 | 97 | 117 |
| 2012 | 106 | 99 |
| 2013 | 105 | 77 |
| 2014 | 113 | 80 |
| 2015 | 96 | 93 |
| 2016 | 102 | 105 |
| 2017 | 142 | 170 |
| 2018 | 164 | 213 |
| 2019 | 225 | 188 |
| 2020 | 205 | 221 |
| 2021 | 202 | 173 |
| 2022 | 169 | 166 |
| 2023 | 144 | 124 |
| 2024 | 118 | 88 |
| 2025 | 87 | 108 |
| 2026 | 48 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical transmitter including splitting elements, external modulators, and wavelength multiplexers, and optical transceiver including polarization separation elements, wavelength demultiplexers, polarization rotation elements, and photodetectors6 Oct 2026US 12,756,476 B2Mitsubishi Electric Corporation
- Optical receiving apparatus6 Oct 2026US 12,756,479 B2Signify Holding B. V.
- Polarized light separation element and optical reception device29 Sep 2026US 12,748,316 B2Hamamatsu Photonics K.K.
- Photonic memory fabric for system memory interconnection15 Sep 2026US 12,737,118 B2Sicily Merger Sub II, Inc.
- High-speed single-ended-to-differential converter with skew control8 Sep 2026US 12,732,283 B1Sicily Merger Sub II, Inc.
- Differential phase shift keying demodulator8 Oct 2026US 2026/0312694 A1BAE Systems Information and Electronic Systems Integration Inc.
- Optical receiver8 Oct 2026US 2026/0312695 A1Nippon Telegraph and Telephone Corporation
- Driver for optical module, control method, and optical module8 Oct 2026US 2026/0312696 A1Beijing Zitiao Network Technology Co., Ltd.
- Multi-chip electro-photonic networks and photonic memory fabrics for interconnecting multiple circuit packages24 Sep 2026US 2026/0288336 A1Celestial AI Inc.
- Optical transceiver24 Sep 2026US 2026/0291611 A1Industrial Technology Research Institute
Most cited
By later US patents
- Communications systems and methods237US 7,580,643 B2Staccato Delaware, Inc. · 2009
- Data communication system, data transmitter and data receiver230US 7,415,212 B2Sony Corporation · 2008
- Optical transmission system178US 4,533,247 AInternational Standard Electric Corporation · 1985
- Temperature compensated avalanche photodiode optical receiver circuit152US 4,438,348 AHarris Corporation · 1984
- Adaptive power supply for avalanche photodiode143US 6,222,660 B1Tektronix, Inc. · 2001