G02F 2001/1502
Complementary cell
Official title: {complementary cell}
G02F2001/1502 (Complementary cell) appears on 206 US grants and 162 published applications in this corpus.
Search patents in G02F- Granted patents
- 206
- Published applications
- 162
- Assignees
- 88
- Inventors
- 333
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 12 | 4 |
| 2002 | 7 | 9 |
| 2003 | 6 | 12 |
| 2004 | 9 | 9 |
| 2005 | 8 | 7 |
| 2006 | 6 | 4 |
| 2007 | 3 | 1 |
| 2008 | 8 | 8 |
| 2009 | 4 | 5 |
| 2010 | 5 | 6 |
| 2011 | 2 | 5 |
| 2012 | 6 | 4 |
| 2013 | 3 | 2 |
| 2014 | 4 | 4 |
| 2015 | 2 | 6 |
| 2016 | 6 | 7 |
| 2017 | 9 | 11 |
| 2018 | 8 | 10 |
| 2019 | 10 | 10 |
| 2020 | 8 | 16 |
| 2021 | 10 | 6 |
| 2022 | 5 | 5 |
| 2023 | 9 | 5 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrochromic device18 Nov 2025US 12,474,614 B2Shenzhen Guangyi Tech Co., Ltd.
- Counter electrode for electrochromic devices14 Oct 2025US 12,443,085 B2View Operating Corporation
- Electrochromic aperture and manufacturing method therefor, and lens module having electrochromic aperture12 Aug 2025US 12,386,240 B2Shenzhen Guangyi Tech Co., Ltd.
- Electrochromic element, and method for driving the same23 Apr 2024US 11,966,139 B2Ricoh Company, Ltd.
- Counter electrode for electrochromic devices23 Apr 2024US 11,966,140 B2View, Inc.
- Electrochromic device, manufacturing method therefor, and window device including same9 Apr 2026US 2026/0099075 A1Skc Co., Ltd.
- Electrochromic device26 Feb 2026US 2026/0056438 A1Dongjin Semichem Co., Ltd.
- Electrochromic device, laminate used for same, method for manufacturing same, and window apparatus comprising same12 Feb 2026US 2026/0044045 A1Skc Co., Ltd.
- Counter electrode for electrochromic devices15 Jan 2026US 2026/0016728 A1View Operating Corporation
- Electrochromic element and manufacturing method therefor18 Dec 2025US 2025/0383568 A1Skc 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
- High performance electrochemichromic solutions and devices thereof669US 5,140,455 ADonnelly Corporation · 1992
- Method of reducing leakage current in electrochemichromic solutions and solutions based thereon631US 5,142,407 ADonnelly Corporation · 1992
- Single-compartment, self-erasing, solution-phase electrochromic devices, solutions for use therein, and uses thereof555US 4,902,108 AGentex Corporation · 1990
- Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices542US 6,154,306 ADonnelly Corporation · 2000