G02F 2202/00
Materials and properties
G02F2202/00 (Materials and properties) appears on 8,936 US grants and 10,759 published applications in this corpus.
Search patents in G02F- Granted patents
- 8,936
- Published applications
- 10,759
- Assignees
- 1,942
- Inventors
- 17,565
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 10 | 0 |
| 1987 | 6 | 0 |
| 1988 | 12 | 0 |
| 1989 | 21 | 0 |
| 1990 | 18 | 0 |
| 1991 | 29 | 0 |
| 1992 | 42 | 0 |
| 1993 | 44 | 0 |
| 1994 | 49 | 0 |
| 1995 | 32 | 0 |
| 1996 | 40 | 0 |
| 1997 | 38 | 0 |
| 1998 | 53 | 0 |
| 1999 | 42 | 0 |
| 2000 | 74 | 0 |
| 2001 | 73 | 33 |
| 2002 | 80 | 146 |
| 2003 | 128 | 157 |
| 2004 | 123 | 207 |
| 2005 | 115 | 234 |
| 2006 | 166 | 232 |
| 2007 | 156 | 332 |
| 2008 | 154 | 302 |
| 2009 | 177 | 393 |
| 2010 | 248 | 423 |
| 2011 | 275 | 337 |
| 2012 | 261 | 337 |
| 2013 | 295 | 345 |
| 2014 | 313 | 427 |
| 2015 | 289 | 402 |
| 2016 | 387 | 557 |
| 2017 | 497 | 879 |
| 2018 | 598 | 894 |
| 2019 | 764 | 798 |
| 2020 | 727 | 689 |
| 2021 | 621 | 728 |
| 2022 | 525 | 511 |
| 2023 | 483 | 524 |
| 2024 | 460 | 408 |
| 2025 | 350 | 293 |
| 2026 | 153 | 171 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02F 2202/28Adhesive materials or arrangementsIndexing code2,494
- G02F 2202/10SemiconductorIndexing code1,647
- G02F 2202/36Micro- or nanomaterialsIndexing code1,411
- G02F 2202/02Organic materialIndexing code1,184
- G02F 2202/32Photonic crystalsIndexing code600
- G02F 2202/40Materials having a particular birefringence, retardationIndexing code509
- G02F 2202/22Antistatic materials or arrangementsIndexing code441
- G02F 2202/20Linbo3, litao3Indexing code363
All 22 subgroupsShow fewer
- G02F 2202/04DyeIndexing code332
- G02F 2202/30MetamaterialsIndexing code257
- G02F 2202/16ConductiveIndexing code233
- G02F 2202/42Materials having a particular dielectric constantIndexing code122
- G02F 2202/06DopantIndexing code113
- G02F 2202/14PhotochromicIndexing code112
- G02F 2202/09Inorganic glassIndexing code73
- G02F 2202/12PhotoconductorIndexing code73
- G02F 2202/07PoledIndexing code61
- G02F 2202/13PhotorefractiveIndexing code43
- G02F 2202/34Metal hydrides materialsIndexing code41
- G02F 2202/38Sol-gel materialsIndexing code36
- G02F 2202/08Glass transition temperatureIndexing code21
- G02F 2202/01DipoleIndexing code9
Recent patents
- Rapidly reversible and wavelength-tunable photochromic compositions, systems, and methods6 Oct 2026US 12,754,443 B1HRL Laboratories, LLC
- Method and system for multicolor photonic pigments from magneticially assembled nanorod arrays29 Sep 2026US 12,748,324 B2The Regents of the University of California
- Electrochromic composition, anti-peep film, and display device22 Sep 2026US 12,742,989 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Metasurface devices with multilayer passivation coatings22 Sep 2026US 12,742,995 B2Lumotive, LLC
- Optical transceiver module with EMI shielding22 Sep 2026US 12,745,378 B2Global Technology Inc.
- Light modulating device and manufacturing method8 Oct 2026US 2026/0307365 A1Dai Nippon Printing Co.Ltd.
- Optical laminate and display apparatus8 Oct 2026US 2026/0307377 A1Nitto Denko Corporation
- Light-adjusting glass, manufacturing method thereof and vehicle8 Oct 2026US 2026/0310028 A1Beijing BOE Sensor Technology Co., Ltd.
- Method and apparatus for fabrication of large area 3d photonic crystals with embedded waveguides8 Oct 2026US 2026/0310072 A1UNM Rainforest Innovations
- Electronic device8 Oct 2026US 2026/0310260 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices701US 5,910,854 ADonnelly Corporation · 1999
- Multi-color electrophoretic displays and materials for making the same695US 6,017,584 AE Ink Corporation · 2000
- Shutter mode microencapsulated electrophoretic display625US 6,172,798 B2E Ink Corporation · 2001
- Fabrication method for a thin film semiconductor device, the thin film semiconductor device itself, liquid crystal display, and electronic device605US 6,017,779 ASeiko Epson Corporation · 2000
- Electronically addressable microencapsulated ink and display thereof597US 6,120,588 AE Ink Corporation · 2000