G03G 21/1882
Details of the communication with memory
Official title: {details of the communication with memory, e.g. wireless communication, protocols}
G03G21/1882 (Details of the communication with memory) appears on 397 US grants and 407 published applications in this corpus.
Search patents in G03G- Granted patents
- 397
- Published applications
- 407
- Assignees
- 49
- Inventors
- 493
- 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 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 7 |
| 2002 | 7 | 13 |
| 2003 | 10 | 13 |
| 2004 | 10 | 2 |
| 2005 | 10 | 16 |
| 2006 | 12 | 18 |
| 2007 | 10 | 7 |
| 2008 | 8 | 9 |
| 2009 | 5 | 6 |
| 2010 | 6 | 4 |
| 2011 | 9 | 7 |
| 2012 | 5 | 9 |
| 2013 | 8 | 7 |
| 2014 | 10 | 12 |
| 2015 | 11 | 13 |
| 2016 | 17 | 16 |
| 2017 | 20 | 15 |
| 2018 | 16 | 25 |
| 2019 | 24 | 14 |
| 2020 | 17 | 23 |
| 2021 | 19 | 35 |
| 2022 | 27 | 26 |
| 2023 | 33 | 30 |
| 2024 | 24 | 32 |
| 2025 | 29 | 34 |
| 2026 | 22 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Image forming apparatus configured to perform initialization process for first consumable and second consumable attached to main casing in accordance with received instruction24 Sep 2026US 2026/0288058 A1Brother Kogyo 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
Most cited
By later US patents
- Replaceable part with integral memory for usage, calibration and other data311US 5,835,817 AHewlett-Packard Company · 1998
- Method of calibrating a spatial light modulator printing system280US 5,842,088 ATexas Instruments Incorporated · 1998
- Replaceable part with integral memory for usage, calibration and other data276US 5,699,091 AHewlett-Packard Company · 1997
- 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