G02F 2/002
Demodulating light: using optical mixing
Official title: {using optical mixing}
G02F2/002 (Demodulating light: using optical mixing) appears on 134 US grants and 69 published applications in this corpus.
Search patents in G02F- Granted patents
- 134
- Published applications
- 69
- Assignees
- 91
- Inventors
- 281
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 5 |
| 2004 | 2 | 2 |
| 2005 | 4 | 3 |
| 2006 | 6 | 2 |
| 2007 | 0 | 5 |
| 2008 | 2 | 1 |
| 2009 | 2 | 3 |
| 2010 | 3 | 0 |
| 2011 | 2 | 5 |
| 2012 | 0 | 5 |
| 2013 | 9 | 3 |
| 2014 | 4 | 5 |
| 2015 | 2 | 3 |
| 2016 | 3 | 1 |
| 2017 | 5 | 2 |
| 2018 | 3 | 3 |
| 2019 | 3 | 3 |
| 2020 | 0 | 3 |
| 2021 | 5 | 2 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 4 | 2 |
| 2025 | 3 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display glasses with wireless THz transceiver for bio-sensing20 May 2025US 12,308,888 B1
- Apparatus embedded with terahertz transceivers using Gunn diodes8 Apr 2025US 12,273,146 B1
- Display glasses in wireless Terahertz communication18 Feb 2025US 12,231,167 B1
- Apparatus embedded with terahertz transceivers using resonant tunnelling diodes3 Dec 2024US 12,160,270 B1
- Apparatus embedded with terahertz transceivers using difference frequency generation28 May 2024US 11,996,891 B1
- Wireless reception device5 Mar 2026US 2026/0066996 A1National Institute of Information and Communications Technology
- Coherent combining photoelectric conversion apparatus5 Feb 2026US 2026/0036873 A1Tokushima University
- Terahertz dual-comb spectrum stabilization system19 Jun 2025US 2025/0199378 A1Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
- Multi-channel analog-signal-input to digital-signal-output down-conversion and digital-signal-input to analog-signal-output up-conversion photonics microwave systems based on quantum dot multi-wavelength lasers29 May 2025US 2025/0175258 A1National Research Council of Canada
- Apparatus embedded with terahertz transceivers using Gunn diodes20 Mar 2025US 2025/0096899 A1
Most cited
By later US patents
- High frequency source having heterodyned laser oscillators injection-locked to a mode-locked laser102US 5,379,309 ACalifornia Institute of Technology · 1995
- Microwave adaptive transversal filter employing variable photonic delay lines81US 5,220,163 AThe United States of America as represented by the Secretary of the Air Force · 1993
- Optical frequency analyzer using a local oscillator heterodyne detection of incident light65US 4,856,899 AYokogawa Electric Corporation · 1989
- Systems approach to interference cancellation62US 9,571,205 B1Bascom Hunter Technologies, Inc. · 2017
- Optical heterodyne receiver with phase or frequency lock59US 3,975,628 AHughes Aircraft Company · 1976