G02F 1/163
Operation of electrochromic cells
Official title: Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
G02F1/163 (Operation of electrochromic cells) appears on 1,251 US grants and 1,471 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,251
- Published applications
- 1,471
- Assignees
- 412
- Inventors
- 2,274
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 10 | 0 |
| 1980 | 6 | 0 |
| 1981 | 12 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 0 |
| 2002 | 8 | 10 |
| 2003 | 9 | 12 |
| 2004 | 8 | 8 |
| 2005 | 7 | 15 |
| 2006 | 12 | 14 |
| 2007 | 11 | 21 |
| 2008 | 8 | 25 |
| 2009 | 14 | 13 |
| 2010 | 19 | 19 |
| 2011 | 11 | 16 |
| 2012 | 11 | 23 |
| 2013 | 18 | 25 |
| 2014 | 23 | 42 |
| 2015 | 37 | 66 |
| 2016 | 44 | 78 |
| 2017 | 56 | 96 |
| 2018 | 71 | 123 |
| 2019 | 122 | 137 |
| 2020 | 104 | 139 |
| 2021 | 107 | 133 |
| 2022 | 111 | 109 |
| 2023 | 109 | 127 |
| 2024 | 86 | 105 |
| 2025 | 84 | 76 |
| 2026 | 40 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Regulation and control method for electrochromic device and electronic device29 Sep 2026US 12,748,332 B2Guangyi Intelligent Tech (Suzhou) Co., Ltd.
- Electrochromic composition, anti-peep film, and display device22 Sep 2026US 12,742,989 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Layered substrate with reduced blue dot defect density22 Sep 2026US 12,742,990 B2Sage Electrochromics, Inc.
- Battery usage optimization for smart glasses15 Sep 2026US 12,736,836 B2Essilor International
- Display system and display method for vehicle15 Sep 2026US 12,736,849 B1Wistron Corporation
- Method and apparatus for controlling electrochromic glass in vehicle8 Oct 2026US 2026/0310033 A1Hyundai Motor Company
- Window assembly for sectional variable light transmission in an aerial vehicle8 Oct 2026US 2026/0310034 A1Airbus Operations GmbH
- Electrochromic device, lens unit, imaging device, window member, and method of driving electrochromic element1 Oct 2026US 2026/0299367 A1Canon Kabushiki Kaisha
- Electronic mirror system, imaging device, and electronic mirror1 Oct 2026US 2026/0303778 A1Panasonic Automotive Systems Co., Ltd.
- Zoned electro-optic element17 Sep 2026US 2026/0277067 A1Gentex Corporation
Most cited
By later US patents
- Prolonged coloration electrochromic assembly715US 5,076,673 ADonnelly Corporation · 1991
- Electrochromic pane434US 5,379,146 ASaint-Gobain Vitrage International · 1995
- Electrochromic rearview mirror assembly incorporating a display/signal light382US 6,700,692 B2Gentex Corporation · 2004
- Micro-electronic power supply for electrochromic eyewear360US 5,900,720 A1999
- System to interconnect, link, and control variable transmission windows and variable transmission window constructions356US 6,567,708 B1Gentex Corporation · 2003