G03G 5/02
Charge-receiving layers
Official title: Charge-receiving layers (G03G5/153 takes precedence)
G03G5/02 (Charge-receiving layers) appears on 5,909 US grants and 2,835 published applications in this corpus.
Search patents in G03G- Granted patents
- 5,909
- Published applications
- 2,835
- Assignees
- 468
- Inventors
- 4,978
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 120 | 0 |
| 1977 | 100 | 0 |
| 1978 | 87 | 0 |
| 1979 | 49 | 0 |
| 1980 | 68 | 0 |
| 1981 | 100 | 0 |
| 1982 | 93 | 0 |
| 1983 | 115 | 0 |
| 1984 | 128 | 0 |
| 1985 | 132 | 0 |
| 1986 | 139 | 0 |
| 1987 | 142 | 0 |
| 1988 | 125 | 0 |
| 1989 | 188 | 0 |
| 1990 | 185 | 0 |
| 1991 | 186 | 0 |
| 1992 | 205 | 0 |
| 1993 | 184 | 0 |
| 1994 | 181 | 0 |
| 1995 | 163 | 0 |
| 1996 | 187 | 0 |
| 1997 | 132 | 0 |
| 1998 | 180 | 0 |
| 1999 | 137 | 0 |
| 2000 | 144 | 0 |
| 2001 | 142 | 33 |
| 2002 | 97 | 85 |
| 2003 | 86 | 138 |
| 2004 | 82 | 153 |
| 2005 | 81 | 174 |
| 2006 | 116 | 179 |
| 2007 | 103 | 174 |
| 2008 | 121 | 190 |
| 2009 | 137 | 189 |
| 2010 | 149 | 136 |
| 2011 | 143 | 134 |
| 2012 | 131 | 97 |
| 2013 | 133 | 113 |
| 2014 | 130 | 124 |
| 2015 | 110 | 130 |
| 2016 | 111 | 105 |
| 2017 | 104 | 96 |
| 2018 | 82 | 73 |
| 2019 | 91 | 90 |
| 2020 | 79 | 93 |
| 2021 | 66 | 62 |
| 2022 | 36 | 39 |
| 2023 | 27 | 58 |
| 2024 | 19 | 65 |
| 2025 | 31 | 45 |
| 2026 | 32 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03G 5/04Photoconductive layers5,548
- G03G 5/0202Dielectric layers for electrography201
- G03G 5/026Layers in which during the irradiation a chemical reaction occurs whereby electrically53
- G03G 5/022Layers for surface-deformation imaging32
- G03G 5/024Photoelectret layers16
- G03G 5/028Layers in which after being exposed to heat patterns electrically conductive patterns16
Recent patents
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus29 Sep 2026US 12,748,356 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus15 Sep 2026US 12,736,891 B2KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus1 Sep 2026US 12,724,355 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus25 Aug 2026US 12,717,251 B2Canon Kabushiki Kaisha
- Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming device4 Aug 2026US 12,699,334 B2Mitsubishi Chemical Corporation
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus1 Oct 2026US 2026/0299445 A1KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus24 Sep 2026US 2026/0288023 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus24 Sep 2026US 2026/0288024 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, image forming apparatus, and functional layer17 Sep 2026US 2026/0277126 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus10 Sep 2026US 2026/0267244 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Implantable device and methods for delivering drugs and other substances to treat sinusitis and other disorders1,387US 7,361,168 B2Acclarent, Inc. · 2008
- Imaging system with a diamine charge transport material in a polycarbonate resin688US 4,265,990 AXerox Corporation · 1981
- Photoconductive imaging members with perylene pigment compositions332US 4,587,189 AXerox Corporation · 1986
- Amorphous semiconductors equivalent to crystalline semiconductors produced by a glow discharge process284US 4,226,898 AEnergy Conversion Devices, Inc. · 1980
- Multi-layer photoreceptor containing siloxane on a metal oxide layer247US 4,464,450 AXerox Corporation · 1984