G02F 1/392
Parametric amplification
Official title: {Parametric amplification}
G02F1/392 (Parametric amplification) appears on 199 US grants and 234 published applications in this corpus.
Search patents in G02F- Granted patents
- 199
- Published applications
- 234
- Assignees
- 160
- Inventors
- 528
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 3 |
| 2003 | 1 | 3 |
| 2004 | 3 | 3 |
| 2005 | 5 | 8 |
| 2006 | 4 | 2 |
| 2007 | 1 | 5 |
| 2008 | 2 | 4 |
| 2009 | 4 | 5 |
| 2010 | 1 | 5 |
| 2011 | 3 | 6 |
| 2012 | 6 | 9 |
| 2013 | 6 | 11 |
| 2014 | 6 | 8 |
| 2015 | 21 | 11 |
| 2016 | 11 | 11 |
| 2017 | 13 | 9 |
| 2018 | 8 | 10 |
| 2019 | 11 | 10 |
| 2020 | 12 | 14 |
| 2021 | 11 | 15 |
| 2022 | 13 | 16 |
| 2023 | 13 | 12 |
| 2024 | 6 | 26 |
| 2025 | 12 | 11 |
| 2026 | 13 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical parametric amplification protocols for quantum nondemolition measurement29 Sep 2026US 12,748,340 B2California Institute of Technology
- Differential frequency generation29 Sep 2026US 12,749,866 B2The United States of America as represented by the Secretary of the Air Force
- Photonic integrated circuit temporal and frequency dispersion squint correction for optical phased array18 Aug 2026US 12,710,586 B2Raytheon Company
- Radiation source and a method for generating electromagnetic radiation at a plurality of frequencies18 Aug 2026US 12,712,332 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Laser amplification device and laser amplification method11 Aug 2026US 12,704,762 B2Hamamatsu Photonics K.K.
- Optical parametric amplifier10 Sep 2026US 2026/0267199 A1NTT, Inc.
- Optical amplification apparatus and optical amplification method3 Sep 2026US 2026/0259473 A1NTT, Inc.
- Solid-state laser system and excimer laser apparatus20 Aug 2026US 2026/0246223 A1Gigaphoton Inc.
- System and method for parametric detection of broadband terahertz pulses13 Aug 2026US 2026/0235507 A1Ecole De Technologie Superieure
- Super ising emulator with multi-body interactions and all-to-all connections13 Aug 2026US 2026/0235923 A1The Trustees of the Stevens Institute of Technology
Most cited
By later US patents
- Laser machining of explosives171US 6,150,630 AThe Regents of the University of California · 2000
- Quasi-phase-matched parametric chirped pulse amplification systems150US 6,181,463 B2Imra America, Inc. · 2001
- Quasi-phase-matched parametric chirped pulse amplification systems147US 6,208,458 B1Imra America, Inc. · 2001
- Method to reduce damage to backing plate123US 6,303,901 B1The Regents of the University of California · 2001
- System and method for nonlinear optical devices94US 9,000,347 B2Telcordia Technologies, Inc. · 2015