H01G 9/2059
Comprising an organic dye as the active light absorbing material
Official title: {comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution}
H01G9/2059 (Comprising an organic dye as the active light absorbing material) appears on 802 US grants and 1,443 published applications in this corpus.
Search patents in H01G- Granted patents
- 802
- Published applications
- 1,443
- Assignees
- 503
- Inventors
- 2,400
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 0 |
| 2002 | 8 | 18 |
| 2003 | 7 | 18 |
| 2004 | 8 | 24 |
| 2005 | 10 | 34 |
| 2006 | 14 | 21 |
| 2007 | 12 | 45 |
| 2008 | 15 | 53 |
| 2009 | 18 | 75 |
| 2010 | 29 | 120 |
| 2011 | 33 | 150 |
| 2012 | 48 | 137 |
| 2013 | 65 | 124 |
| 2014 | 68 | 112 |
| 2015 | 74 | 105 |
| 2016 | 74 | 83 |
| 2017 | 60 | 67 |
| 2018 | 51 | 67 |
| 2019 | 44 | 59 |
| 2020 | 32 | 38 |
| 2021 | 33 | 22 |
| 2022 | 26 | 35 |
| 2023 | 20 | 17 |
| 2024 | 13 | 11 |
| 2025 | 17 | 3 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Unsymmetrical squaraine dyes and applications thereof2 Jun 2026US 12,646,657 B2Council of Scientific and Industrial Research
- Dye-sensitized solar cell based on titanium dioxide, graphitic carbon nitride, and cadmium selenide nanocomposite28 Apr 2026US 12,614,680 B1King Fahd University of Petroleum and Minerals
- Photoelectric conversion element and solar cell module3 Mar 2026US 12,567,543 B2Ricoh Company, Ltd.
- Octahedral perovskite materials with small radius metal center and uses thereof27 Jan 2026US 12,538,697 B2Huawei Technologies Canada Co., Ltd.
- Dye-sensitized solar cell and electrolyte thereof, and methods of manufacturing dye-sensitized solar cell and electrolyte9 Dec 2025US 12,494,325 B2Ace Inventer Inc.
- Electrolyte of dye-sensitized solar cell and method for manufacturing the same11 Jun 2026US 2026/0162905 A1Sookmyung Women's University Industry-Academic Cooperation Foundation
- Electrode of dye-sensitized solar cell and method for manufacturing the same11 Jun 2026US 2026/0162908 A1Sookmyung Women's University Industry-Academic Cooperation Foundation
- Laminated-type photovoltaic block28 May 2026US 2026/0150432 A1International Frontier Technology Laboratory, Inc.
- Photoelectric conversion element and photoelectric conversion device including the photoelectric conversion element15 Jan 2026US 2026/0020424 A1Canon Kabushiki Kaisha
- Hybrid Perovskite Material Processing8 Jan 2026US 2026/0008930 A1CubicPV Inc.
Most cited
By later US patents
- Carbon fibers formed from single-wall carbon nanotubes204US 6,683,783 B1William Marsh Rice University · 2004
- Photo-electrochemical cell182US 4,927,721 A1990
- Organic species that facilitate charge transfer to or from nanostructures182US 6,949,206 B2Nanosys, Inc. · 2005
- Methods for producing composites of single-wall carbon nanotubes and compositions thereof161US 7,105,596 B2William Marsh Rice University · 2006
- Continuous fiber of single-wall carbon nanotubes154US 6,979,709 B2William Marsh Rice University · 2005