G02F 1/37
For second-harmonic generation
Official title: for second-harmonic generation {(G02F1/3532 takes precedence)}
G02F1/37 (For second-harmonic generation) appears on 1,246 US grants and 876 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,246
- Published applications
- 876
- Assignees
- 499
- Inventors
- 2,355
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 15 | 0 |
| 1990 | 36 | 0 |
| 1991 | 43 | 0 |
| 1992 | 45 | 0 |
| 1993 | 50 | 0 |
| 1994 | 59 | 0 |
| 1995 | 37 | 0 |
| 1996 | 36 | 0 |
| 1997 | 25 | 0 |
| 1998 | 32 | 0 |
| 1999 | 36 | 0 |
| 2000 | 25 | 0 |
| 2001 | 29 | 14 |
| 2002 | 14 | 37 |
| 2003 | 29 | 22 |
| 2004 | 37 | 35 |
| 2005 | 26 | 22 |
| 2006 | 33 | 29 |
| 2007 | 26 | 31 |
| 2008 | 38 | 53 |
| 2009 | 30 | 52 |
| 2010 | 48 | 53 |
| 2011 | 36 | 37 |
| 2012 | 33 | 31 |
| 2013 | 26 | 26 |
| 2014 | 33 | 22 |
| 2015 | 22 | 27 |
| 2016 | 30 | 32 |
| 2017 | 31 | 42 |
| 2018 | 34 | 35 |
| 2019 | 35 | 24 |
| 2020 | 29 | 34 |
| 2021 | 20 | 34 |
| 2022 | 27 | 51 |
| 2023 | 35 | 31 |
| 2024 | 25 | 45 |
| 2025 | 26 | 34 |
| 2026 | 18 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bonding optical materials22 Sep 2026US 12,742,998 B2Gamdan Optics, Inc.
- System and methods of visible light swept-source optical coherence tomography1 Sep 2026US 12,724,319 B2Northwestern University
- Widely tunable frequency doubled light source1 Sep 2026US 12,724,320 B1Thorlabs, Inc.
- Third-harmonic frequency generator and generation method25 Aug 2026US 12,717,209 B2Cornell University
- Apparatus and method for optical frequency conversion25 Aug 2026US 12,717,210 B2Honeywell International Inc.
- Apparatus and method for optical frequency conversion1 Oct 2026US 2026/0299371 A1Honeywell International Inc.
- Displacement sensing10 Sep 2026US 2026/0266594 A1UNM Rainforest Innovations
- Optical parametric amplifier10 Sep 2026US 2026/0267199 A1NTT, Inc.
- Dual-beam combining laser frequency-doubling devices27 Aug 2026US 2026/0254189 A1Anhui Huachuang Hongdu Photoelectric Technology Co., Ltd.
- Solid-state laser system and excimer laser apparatus20 Aug 2026US 2026/0246223 A1Gigaphoton Inc.
Most cited
By later US patents
- Method of, and apparatus for, surgery of the cornea329US 6,210,401 B12001
- Display panel with electrically-controlled waveguide-routing299US 5,544,268 ADeacon Research · 1996
- Single-mode amplifiers and compressors based on multi-mode fibers291US 5,818,630 AImra America, Inc. · 1998
- Display panel with electrically-controlled waveguide-routing291US 6,522,794 B1Gemfire Corporation · 2003
- Bi-domain two-mode single crystal fiber devices261US 5,082,349 AThe Board of Trustees of the Leland Stanford Junior University · 1992