G03G 21/1885
Position of the memory
Official title: {position of the memory; memory housings; electrodes}
G03G21/1885 (Position of the memory) appears on 243 US grants and 250 published applications in this corpus.
Search patents in G03G- Granted patents
- 243
- Published applications
- 250
- Assignees
- 28
- Inventors
- 282
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 8 |
| 2004 | 1 | 1 |
| 2005 | 8 | 7 |
| 2006 | 6 | 5 |
| 2007 | 4 | 4 |
| 2008 | 3 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 3 | 5 |
| 2013 | 2 | 3 |
| 2014 | 5 | 7 |
| 2015 | 6 | 7 |
| 2016 | 10 | 9 |
| 2017 | 10 | 9 |
| 2018 | 9 | 14 |
| 2019 | 15 | 9 |
| 2020 | 12 | 19 |
| 2021 | 16 | 25 |
| 2022 | 21 | 20 |
| 2023 | 27 | 25 |
| 2024 | 19 | 28 |
| 2025 | 26 | 23 |
| 2026 | 17 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Developing cartridge6 Oct 2026US 12,754,494 B2Brother Kogyo Kabushiki Kaisha
- Cartridge, toner cartridge, and image forming apparatus29 Sep 2026US 12,748,375 B2Canon Kabushiki Kaisha
- Image forming apparatus1 Sep 2026US 12,724,360 B2Ricoh Company, Ltd.
- Drum cartridge including storage medium having electrical contact surface positioned at outer surface of drum frame25 Aug 2026US 12,717,273 B2Brother Kogyo Kabushiki Kaisha
- Developing cartridge for detachable mounting to an imaging device25 Aug 2026US 12,717,274 B2Zhuhai Un-Tern Imaging Products Co., Ltd
- Image forming apparatus and cartridge1 Oct 2026US 2026/0299510 A1Canon Kabushiki Kaisha
- Cartridge unit and image forming apparatus25 Jun 2026US 2026/0177974 A1Canon Kabushiki Kaisha
- 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 and process cartridge with separatable developing roller from photoconductor drum23 Apr 2026US 2026/0110986 A1Brother Kogyo Kabushiki Kaisha
Most cited
By later US patents
- Process cartridge, electrophotographic image forming apparatus and connection method of connecting contacts214US 5,926,666 ACanon Kabushiki Kaisha · 1999
- Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatus201US 7,136,604 B2Canon Kabushiki Kaisha · 2006
- Process cartridge having guide projections and image forming apparatus using same147US 6,351,620 B1Canon Kabushiki Kaisha · 2002
- Process cartridge and electrophotographic image forming apparatus103US 5,937,239 ACanon Kabushiki Kaisha · 1999
- Process cartridge and electrophotographic image forming apparatus103US 7,433,622 B2Canon Kabushiki Kaisha · 2008