G02F 1/3551
Crystals
Official title: {Crystals}
G02F1/3551 (Crystals) appears on 489 US grants and 492 published applications in this corpus.
Search patents in G02F- Granted patents
- 489
- Published applications
- 492
- Assignees
- 343
- Inventors
- 1,382
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 8 | 8 |
| 2003 | 9 | 6 |
| 2004 | 7 | 7 |
| 2005 | 5 | 7 |
| 2006 | 8 | 10 |
| 2007 | 4 | 10 |
| 2008 | 9 | 7 |
| 2009 | 10 | 7 |
| 2010 | 6 | 7 |
| 2011 | 7 | 10 |
| 2012 | 5 | 7 |
| 2013 | 8 | 19 |
| 2014 | 8 | 9 |
| 2015 | 12 | 22 |
| 2016 | 18 | 23 |
| 2017 | 27 | 28 |
| 2018 | 19 | 29 |
| 2019 | 27 | 19 |
| 2020 | 27 | 40 |
| 2021 | 24 | 30 |
| 2022 | 28 | 40 |
| 2023 | 39 | 36 |
| 2024 | 26 | 35 |
| 2025 | 30 | 36 |
| 2026 | 18 | 38 |
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 method for quantum absorption spectroscopy1 Sep 2026US 12,723,920 B2Kyoto 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.
- Laser apparatus, laser apparatus wavelength control method, and electronic device manufacturing method17 Sep 2026US 2026/0277108 A1Gigaphoton Inc.
- Materials for temperature-actuated optical switching at infrared wavelengths10 Sep 2026US 2026/0267197 A1SRI International
- 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
- Tunable microcavity and method of using nonlinear materials in a photonic crystal141US 6,058,127 AMassachusetts Institute of Technology · 2000
- Composite optical and electro-optical devices135US 5,846,638 AOnyx Optics, Inc. · 1998
- Crystals of (K, Rb, NH.sub.4)TiO(P, As)O.sub.4 and their use in electrooptic devices63US 3,949,323 AE. I. Du Pont de Nemours and Company · 1976
- Silicon nanoparticle microcrystal nonlinear optical devices55US 6,456,423 B1The Board of Trustees of the University of Illinois · 2002
- Laser with high quality, stable output beam, and long life high conversion efficiency non-linear crystal51US 8,873,596 B2KLA-Tencor Corporation · 2014