H04B 10/1121
One-way transmission
Official title: {One-way transmission}
H04B10/1121 (One-way transmission) appears on 271 US grants and 237 published applications in this corpus.
Search patents in H04B- Granted patents
- 271
- Published applications
- 237
- Assignees
- 153
- Inventors
- 608
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 8 | 20 |
| 2003 | 8 | 12 |
| 2004 | 7 | 11 |
| 2005 | 8 | 11 |
| 2006 | 9 | 10 |
| 2007 | 10 | 7 |
| 2008 | 2 | 10 |
| 2009 | 12 | 9 |
| 2010 | 8 | 9 |
| 2011 | 13 | 5 |
| 2012 | 4 | 10 |
| 2013 | 6 | 5 |
| 2014 | 5 | 6 |
| 2015 | 9 | 6 |
| 2016 | 14 | 11 |
| 2017 | 10 | 9 |
| 2018 | 12 | 10 |
| 2019 | 12 | 11 |
| 2020 | 17 | 8 |
| 2021 | 10 | 10 |
| 2022 | 12 | 11 |
| 2023 | 14 | 6 |
| 2024 | 13 | 14 |
| 2025 | 13 | 9 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Beam tracking and fiber coupling using dual focus diffractive optical element18 Aug 2026US 12,710,293 B2Northrop Grumman Systems Corporation
- Multiplexed transmission by optical beam transformation23 Jun 2026US 12,665,694 B2University of Southern California
- Apparatus and method for secure space communication26 May 2026US 12,640,819 B2Universitat Auonoma De Barcelona
- Freeform optics for optical wireless communications7 Apr 2026US 12,596,208 B2pureLiFi Limited
- Communication control techniques in quantum cryptographic communication system21 Oct 2025US 12,452,045 B2NEC Corporation
- Retroreflectors providing information encoded in reflected non-visible laser while retaining visible light safety properties20 Aug 2026US 2026/0243931 A1Lighthouse Technology Group Inc.
- Free-space optical telecommunication system9 Jul 2026US 2026/0197080 A1CAILabs
- Method for beam alignment in optical wireless communication systems4 Jun 2026US 2026/0155890 A1Signify Holding B. V.
- Broadband Impulsive Coding with Amplified Spontaneous Emission Source for Free Space Optical Communications23 Apr 2026US 2026/0113116 A1Attochron, LLC
- Beam tracking and fiber coupling using dual focus diffractive optical element12 Feb 2026US 2026/0043678 A1Northrop Grumman Systems Corporation
Most cited
By later US patents
- Dual band radio frequency (RF) and optical communications antenna and terminal design methodology and implementation229US 8,094,081 B1The Johns Hopkins University · 2012
- Hybrid electro-optic cable for free space laser antennas168US 6,931,183 B2Dominion Lasercom, Inc. · 2005
- Light communication system111US 5,822,099 ASony Corporation · 1998
- Holevo capacity achieving joint detection receiver97US 8,620,166 B2Raytheon BBN Technologies Corp. · 2013
- Point-to-multipoint wide area telecommunications network via atmospheric laser transmission through a remote optical router79US 5,786,923 ADominion Communications, LLC · 1998