G03G 5/142
Inert intermediate layers
Official title: {Inert intermediate layers}
G03G5/142 (Inert intermediate layers) appears on 884 US grants and 649 published applications in this corpus.
Search patents in G03G- Granted patents
- 884
- Published applications
- 649
- Assignees
- 109
- Inventors
- 1,177
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 18 | 0 |
| 1982 | 3 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 15 | 0 |
| 1991 | 18 | 0 |
| 1992 | 28 | 0 |
| 1993 | 20 | 0 |
| 1994 | 19 | 0 |
| 1995 | 30 | 0 |
| 1996 | 26 | 0 |
| 1997 | 30 | 0 |
| 1998 | 21 | 0 |
| 1999 | 24 | 0 |
| 2000 | 17 | 0 |
| 2001 | 14 | 4 |
| 2002 | 13 | 14 |
| 2003 | 13 | 25 |
| 2004 | 14 | 16 |
| 2005 | 14 | 31 |
| 2006 | 14 | 44 |
| 2007 | 13 | 45 |
| 2008 | 28 | 35 |
| 2009 | 41 | 60 |
| 2010 | 34 | 36 |
| 2011 | 36 | 44 |
| 2012 | 36 | 23 |
| 2013 | 42 | 24 |
| 2014 | 26 | 32 |
| 2015 | 26 | 31 |
| 2016 | 27 | 32 |
| 2017 | 34 | 25 |
| 2018 | 28 | 23 |
| 2019 | 24 | 14 |
| 2020 | 14 | 31 |
| 2021 | 19 | 9 |
| 2022 | 4 | 5 |
| 2023 | 1 | 16 |
| 2024 | 1 | 15 |
| 2025 | 9 | 10 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Image forming unit and image forming apparatus9 Jun 2026US 12,650,654 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus9 Jun 2026US 12,650,655 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus9 Jun 2026US 12,650,656 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus24 Sep 2026US 2026/0288024 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus2 Jul 2026US 2026/0186430 A1KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus14 May 2026US 2026/0133511 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, and process cartridge and image forming apparatus including the same9 Apr 2026US 2026/0099102 A1Sharp Kabushiki Kaisha
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus9 Apr 2026US 2026/0099103 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- 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
- Photoresponsive imaging members with polyurethane blocking layers131US 4,921,769 AXerox Corporation · 1990