G03G 2215/0103
Plural electrographic recording members
G03G2215/0103 (Plural electrographic recording members) appears on 4,139 US grants and 3,923 published applications in this corpus.
Search patents in G03G- Granted patents
- 4,139
- Published applications
- 3,923
- Assignees
- 134
- Inventors
- 4,946
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 15 | 0 |
| 1995 | 11 | 0 |
| 1996 | 31 | 0 |
| 1997 | 25 | 0 |
| 1998 | 49 | 0 |
| 1999 | 51 | 0 |
| 2000 | 74 | 0 |
| 2001 | 103 | 46 |
| 2002 | 130 | 131 |
| 2003 | 114 | 158 |
| 2004 | 142 | 177 |
| 2005 | 121 | 172 |
| 2006 | 135 | 253 |
| 2007 | 149 | 235 |
| 2008 | 172 | 235 |
| 2009 | 166 | 252 |
| 2010 | 204 | 166 |
| 2011 | 213 | 217 |
| 2012 | 222 | 318 |
| 2013 | 227 | 252 |
| 2014 | 338 | 249 |
| 2015 | 348 | 229 |
| 2016 | 299 | 284 |
| 2017 | 269 | 334 |
| 2018 | 214 | 48 |
| 2019 | 87 | 37 |
| 2020 | 43 | 45 |
| 2021 | 43 | 24 |
| 2022 | 34 | 13 |
| 2023 | 21 | 13 |
| 2024 | 14 | 15 |
| 2025 | 9 | 12 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming apparatus including developing device supporting structure having guide groove29 Sep 2026US 12,748,373 B2Brother Kogyo Kabushiki Kaisha
- Toner set, electrostatic charge image developer set, toner cartridge set, process cartridge, image forming apparatus, and image forming method7 Jul 2026US 12,675,059 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus26 May 2026US 12,638,793 B2KYOCERA Document Solutions Inc.
- Image forming apparatus19 May 2026US 12,632,001 B2KYOCERA Document Solutions Inc.
- Image forming apparatus10 Mar 2026US 12,572,089 B2Ricoh Company, Ltd.
- Image forming apparatus1 Oct 2026US 2026/0299453 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus24 Sep 2026US 2026/0288052 A1Canon Kabushiki Kaisha
- Image forming apparatus27 Aug 2026US 2026/0252003 A1Canon Kabushiki Kaisha
- Image forming apparatus20 Aug 2026US 2026/0244127 A1Canon Kabushiki Kaisha
- Media detection apparatus, image forming system, and storage medium20 Aug 2026US 2026/0244128 A1Konica Minolta, Inc.
Most cited
By later US patents
- Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and process cartridge comprising cartridge drum positioning portion or recess242US 6,608,980 B2Canon Kabushiki Kaisha · 2003
- Process cartridge, image forming apparatus and separating mechanism for separating developing member from photosensitive drum217US 6,681,088 B2Canon Kabushiki Kaisha · 2004
- System for forming color images217US 6,708,011 B2Seiko Epson Corporation · 2004
- Space securing member, developing device, charging device and process cartridge201US 6,385,416 B1Canon Kabushiki Kaisha · 2002
- Process cartridge, unit, and electrophotographic image forming apparatus169US 6,912,365 B2Canon Kabushiki Kaisha · 2005