G02F 1/39
For parametric generation or amplification of light, infrared or ultraviolet waves
Official title: for parametric generation or amplification of light, infrared or ultraviolet waves
G02F1/39 (For parametric generation or amplification of light, infrared or ultraviolet waves) appears on 803 US grants and 747 published applications in this corpus.
Search patents in G02F- Granted patents
- 803
- Published applications
- 747
- Assignees
- 474
- Inventors
- 1,730
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 5 | 0 |
| 1997 | 11 | 0 |
| 1998 | 18 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 20 | 3 |
| 2002 | 15 | 21 |
| 2003 | 13 | 14 |
| 2004 | 34 | 15 |
| 2005 | 18 | 19 |
| 2006 | 13 | 16 |
| 2007 | 10 | 16 |
| 2008 | 9 | 19 |
| 2009 | 18 | 24 |
| 2010 | 19 | 24 |
| 2011 | 15 | 32 |
| 2012 | 21 | 21 |
| 2013 | 31 | 30 |
| 2014 | 26 | 26 |
| 2015 | 38 | 31 |
| 2016 | 33 | 32 |
| 2017 | 35 | 36 |
| 2018 | 37 | 47 |
| 2019 | 44 | 22 |
| 2020 | 32 | 35 |
| 2021 | 23 | 40 |
| 2022 | 38 | 48 |
| 2023 | 39 | 51 |
| 2024 | 20 | 60 |
| 2025 | 42 | 25 |
| 2026 | 29 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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 feedback organic photodiodes and upconverters22 Sep 2026US 12,742,999 B2Oledworks GmbH
- Whispering gallery mode resonator based on cylindrical cavity in optical fiber and fabrication method thereof22 Sep 2026US 12,743,000 B2Shenzhen Technology University
- Time-multiplexed photonic computer8 Sep 2026US 12,730,354 B2California Institute of Technology
- Display with light amplification8 Oct 2026US 2026/0310044 A1Oledworks GmbH
- Photonic quantum switch1 Oct 2026US 2026/0299212 A1Cisco Technology, Inc.
- Monolithically Integrated Photon Pair Source1 Oct 2026US 2026/0299372 A1Ferdinand-Braun-Institut Ggmbh, Leibniz-Institut FüR HöChstfrequenztechnik
- Integrated Frequency Modulated Optical Parametric Oscillator Frequency Combs and Optical Spectroscopy using same17 Sep 2026US 2026/0277072 A1The Board of Trustees of the Leland Stanford Junior University
- Displacement sensing10 Sep 2026US 2026/0266594 A1UNM Rainforest Innovations
Most cited
By later US patents
- Multiwavelength solid state laser using frequency conversion techniques234US 5,144,630 AJTT International, Inc. · 1992
- 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
- Ultraviolet solid state laser, method of using same and laser surgery apparatus135US 5,742,626 AAculight Corporation · 1998