G03G 5/14
Inert intermediate or cover layers for charge-receiving layers
Official title: Inert intermediate or cover layers for charge-receiving layers (for photoconductive, charge-generation or charge-transporting layers G03G5/04)
G03G5/14 (Inert intermediate or cover layers for charge-receiving layers) appears on 2,226 US grants and 1,762 published applications in this corpus.
Search patents in G03G- Granted patents
- 2,226
- Published applications
- 1,762
- Assignees
- 183
- Inventors
- 2,446
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 11 | 0 |
| 1978 | 16 | 0 |
| 1979 | 17 | 0 |
| 1980 | 15 | 0 |
| 1981 | 30 | 0 |
| 1982 | 13 | 0 |
| 1983 | 21 | 0 |
| 1984 | 23 | 0 |
| 1985 | 13 | 0 |
| 1986 | 17 | 0 |
| 1987 | 13 | 0 |
| 1988 | 20 | 0 |
| 1989 | 24 | 0 |
| 1990 | 35 | 0 |
| 1991 | 35 | 0 |
| 1992 | 48 | 0 |
| 1993 | 47 | 0 |
| 1994 | 40 | 0 |
| 1995 | 46 | 0 |
| 1996 | 48 | 0 |
| 1997 | 63 | 0 |
| 1998 | 57 | 0 |
| 1999 | 62 | 0 |
| 2000 | 44 | 0 |
| 2001 | 50 | 15 |
| 2002 | 40 | 48 |
| 2003 | 43 | 62 |
| 2004 | 38 | 59 |
| 2005 | 32 | 74 |
| 2006 | 44 | 92 |
| 2007 | 44 | 118 |
| 2008 | 67 | 119 |
| 2009 | 81 | 118 |
| 2010 | 95 | 92 |
| 2011 | 99 | 108 |
| 2012 | 91 | 66 |
| 2013 | 98 | 79 |
| 2014 | 88 | 92 |
| 2015 | 79 | 75 |
| 2016 | 74 | 59 |
| 2017 | 70 | 70 |
| 2018 | 56 | 55 |
| 2019 | 67 | 63 |
| 2020 | 53 | 67 |
| 2021 | 47 | 43 |
| 2022 | 25 | 21 |
| 2023 | 15 | 63 |
| 2024 | 15 | 45 |
| 2025 | 25 | 32 |
| 2026 | 18 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming apparatus having a photoreceptor with inorganic surface layer and a cleaning blade25 Aug 2026US 12,717,265 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming device4 Aug 2026US 12,699,334 B2Mitsubishi Chemical Corporation
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus28 Jul 2026US 12,693,605 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoconductor, method of manufacturing the same, and electrophotographic apparatus14 Jul 2026US 12,681,397 B2Fuji Electric Co., Ltd.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus7 Jul 2026US 12,675,055 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus24 Sep 2026US 2026/0288024 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus10 Sep 2026US 2026/0267244 A1KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, method of producing an electrophotographic photoreceptor, process cartridge, and image forming apparatus10 Sep 2026US 2026/0267246 A1KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus10 Sep 2026US 2026/0267247 A1KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus20 Aug 2026US 2026/0244121 A1FUJIFILM Business Innovation Corp.
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
- Multi-layer photoreceptor containing siloxane on a metal oxide layer247US 4,464,450 AXerox Corporation · 1984
- Siloxane hole trapping layer for overcoated photoreceptors218US 4,291,110 AXerox Corporation · 1981
- Photoconductive imaging members139US 6,913,863 B2Xerox Corporation · 2005
- Light-emitting device135US 7,872,259 B2Canon Kabushiki Kaisha · 2011