G03G 21/1871
Associated with a positioning function
Official title: {associated with a positioning function}
G03G21/1871 (Associated with a positioning function) appears on 239 US grants and 242 published applications in this corpus.
Search patents in G03G- Granted patents
- 239
- Published applications
- 242
- Assignees
- 27
- Inventors
- 287
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 0 | 7 |
| 2004 | 4 | 3 |
| 2005 | 5 | 10 |
| 2006 | 13 | 10 |
| 2007 | 13 | 10 |
| 2008 | 3 | 6 |
| 2009 | 4 | 6 |
| 2010 | 5 | 3 |
| 2011 | 7 | 13 |
| 2012 | 10 | 9 |
| 2013 | 5 | 11 |
| 2014 | 21 | 14 |
| 2015 | 15 | 7 |
| 2016 | 11 | 12 |
| 2017 | 13 | 11 |
| 2018 | 11 | 11 |
| 2019 | 13 | 13 |
| 2020 | 16 | 16 |
| 2021 | 13 | 15 |
| 2022 | 16 | 9 |
| 2023 | 9 | 11 |
| 2024 | 10 | 9 |
| 2025 | 7 | 13 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus18 Aug 2026US 12,710,712 B2Brother Kogyo Kabushiki Kaisha
- Development device, process cartridge, and image forming apparatus28 Jul 2026US 12,693,623 B2Canon Kabushiki Kaisha
- Conductive part, process cartridge, and process cartridge set12 May 2026US 12,625,464 B2Zhuhai Pantum Electronics Co., Ltd.
- Drum cartridge including movable holder having holder terminal, and relay electrode electrically connectable to holder terminal and memory of developing cartridge attached to drum frame5 May 2026US 12,619,193 B2Brother Kogyo Kabushiki Kaisha
- Adapter, cartridge, and image forming apparatus31 Mar 2026US 12,591,201 B2Zhuhai Pantum Electronics Co., Ltd.
- Conductive component, processing cartridge, and image forming apparatus2 Jul 2026US 2026/0186444 A1Zhuhai Pantum Electronics Co., Ltd.
- Conductive component, process cartridge, and image forming apparatus2 Jul 2026US 2026/0186445 A1Zhuhai Pantum Electronics Co., Ltd.
- Image forming apparatus18 Jun 2026US 2026/0169423 A1Brother Kogyo Kabushiki Kaisha
- Cartridge including cartridge frame, first to third electrodes positioned at cartridge frame, and cartridge memory movable relative to cartridge frame21 May 2026US 2026/0140475 A1Brother Kogyo Kabushiki Kaisha
- Image-forming apparatus including drawer and detachable cartridge having protrusion configured to be received in recess of the drawer16 Apr 2026US 2026/0104671 A1Brother Kogyo Kabushiki Kaisha
Most cited
By later US patents
- Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatus201US 7,136,604 B2Canon Kabushiki Kaisha · 2006
- Process cartridge, electric contact and electrophotographic image forming apparatus160US 6,898,391 B2Canon Kabushiki Kaisha · 2005
- Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus156US 6,400,914 B1Canon Kabushiki Kaisha · 2002
- Process cartridge, load producing member and electrophotographic image forming apparatus154US 6,714,752 B2Canon Kabushiki Kaisha · 2004
- Process cartridge, assembling method for process cartridge and grounding member152US 5,953,562 ACanon Kabushiki Kaisha · 1999