H01G 9/2031
Comprising titanium oxide
Official title: {comprising titanium oxide, e.g. TiO2 (H01G9/2036 takes precedence)}
H01G9/2031 (Comprising titanium oxide) appears on 907 US grants and 1,694 published applications in this corpus.
Search patents in H01G- Granted patents
- 907
- Published applications
- 1,694
- Assignees
- 580
- Inventors
- 2,790
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 4 |
| 2002 | 15 | 16 |
| 2003 | 15 | 32 |
| 2004 | 12 | 43 |
| 2005 | 17 | 72 |
| 2006 | 14 | 70 |
| 2007 | 14 | 84 |
| 2008 | 20 | 75 |
| 2009 | 24 | 99 |
| 2010 | 41 | 149 |
| 2011 | 53 | 166 |
| 2012 | 64 | 153 |
| 2013 | 72 | 132 |
| 2014 | 79 | 116 |
| 2015 | 72 | 103 |
| 2016 | 74 | 84 |
| 2017 | 47 | 63 |
| 2018 | 44 | 58 |
| 2019 | 49 | 47 |
| 2020 | 35 | 33 |
| 2021 | 29 | 26 |
| 2022 | 23 | 30 |
| 2023 | 24 | 19 |
| 2024 | 6 | 10 |
| 2025 | 12 | 5 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solar cell employing phosphorescent materials6 Oct 2026US 12,757,522 B2Rensselaer Polytechnic Institute
- Unsymmetrical squaraine dyes and applications thereof2 Jun 2026US 12,646,657 B2Council of Scientific and Industrial Research
- Solar cell12 May 2026US 12,628,490 B2Panasonic Intellectual Property Management Co., Ltd.
- 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.
- 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
- Nano-architected/assembled solar electricity cell194US 6,852,920 B2Nanosolar, Inc. · 2005
- Photo-electrochemical cell182US 4,927,721 A1990
- Organic species that facilitate charge transfer to or from nanostructures182US 6,949,206 B2Nanosys, Inc. · 2005
- Photovoltaic cells167US 5,350,644 AEcole Polytechnique Federale de Lausanne · 1994
- Photoelectric conversion device and photo cell137US 6,291,763 B1Fuji Photo Film Co., Ltd. · 2001