G02F 2202/32
Photonic crystals
G02F2202/32 (Photonic crystals) appears on 600 US grants and 657 published applications in this corpus.
Search patents in G02F- Granted patents
- 600
- Published applications
- 657
- Assignees
- 311
- Inventors
- 1,226
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 6 |
| 2002 | 1 | 16 |
| 2003 | 12 | 23 |
| 2004 | 30 | 45 |
| 2005 | 27 | 41 |
| 2006 | 32 | 26 |
| 2007 | 23 | 35 |
| 2008 | 35 | 38 |
| 2009 | 28 | 35 |
| 2010 | 33 | 36 |
| 2011 | 20 | 27 |
| 2012 | 18 | 26 |
| 2013 | 28 | 21 |
| 2014 | 24 | 23 |
| 2015 | 30 | 23 |
| 2016 | 33 | 25 |
| 2017 | 33 | 55 |
| 2018 | 28 | 25 |
| 2019 | 35 | 26 |
| 2020 | 29 | 21 |
| 2021 | 19 | 20 |
| 2022 | 15 | 9 |
| 2023 | 15 | 24 |
| 2024 | 16 | 14 |
| 2025 | 9 | 12 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for multicolor photonic pigments from magneticially assembled nanorod arrays29 Sep 2026US 12,748,324 B2The Regents of the University of California
- System and methods of visible light swept-source optical coherence tomography1 Sep 2026US 12,724,319 B2Northwestern University
- Artificially-structured materials with smart elements9 Jun 2026US 12,650,556 B2MetaVC Patent Holding Company
- Photonic crystal element2 Jun 2026US 12,645,104 B2NGK Insulators, Ltd.
- Optical sources17 Mar 2026US 12,578,618 B2Nkt Photonics A/S
- Method and apparatus for fabrication of large area 3d photonic crystals with embedded waveguides8 Oct 2026US 2026/0310072 A1UNM Rainforest Innovations
- Triply resonant electro-optic transducers10 Sep 2026US 2026/0267177 A1International Business Machines Corporation
- Tunable Metasurface Optical Fibers for Advanced Light Manipulation13 Aug 2026US 2026/0235803 A1
- Comb source with improved control11 Jun 2026US 2026/0161042 A1
- Quantum device and method for manufacturing quantum device7 May 2026US 2026/0126590 A1Fujitsu Limited
Most cited
By later US patents
- Nanocomposite materials with engineered properties395US 6,710,366 B1UltraDots, Inc. · 2004
- Methods and systems for introducing electromagnetic radiation into photonic crystals288US 5,999,308 AMassachusetts Institute of Technology · 1999
- Mach-Zehnder interferometer using photonic band gap crystals229US 6,917,431 B2Massachusetts Institute of Technology · 2005
- Tunable microcavity and method of using nonlinear materials in a photonic crystal141US 6,058,127 AMassachusetts Institute of Technology · 2000
- Three dimensionally periodic structural assemblies on nanometer and longer scales129US 6,261,469 B1Honeywell International Inc. · 2001