G03G 21/1853
The process cartridge being mounted perpendicular to the axis of the photosensitive
Official title: {the process cartridge being mounted perpendicular to the axis of the photosensitive member}
G03G21/1853 (The process cartridge being mounted perpendicular to the axis of the photosensitive) appears on 865 US grants and 780 published applications in this corpus.
Search patents in G03G- Granted patents
- 865
- Published applications
- 780
- Assignees
- 55
- Inventors
- 681
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 5 |
| 2002 | 10 | 12 |
| 2003 | 3 | 8 |
| 2004 | 14 | 9 |
| 2005 | 7 | 28 |
| 2006 | 17 | 28 |
| 2007 | 25 | 24 |
| 2008 | 16 | 24 |
| 2009 | 22 | 29 |
| 2010 | 23 | 48 |
| 2011 | 38 | 34 |
| 2012 | 42 | 43 |
| 2013 | 44 | 43 |
| 2014 | 55 | 41 |
| 2015 | 50 | 34 |
| 2016 | 42 | 31 |
| 2017 | 35 | 43 |
| 2018 | 33 | 36 |
| 2019 | 47 | 38 |
| 2020 | 41 | 56 |
| 2021 | 54 | 41 |
| 2022 | 48 | 31 |
| 2023 | 39 | 34 |
| 2024 | 29 | 27 |
| 2025 | 25 | 23 |
| 2026 | 15 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Attachments to provide an aligning force15 Sep 2026US 12,736,914 B2Hewlett-Packard Development Company, L. P.
- Cartridge including a drum-unit with a frame that includes particular arranged recess portion and through-hole25 Aug 2026US 12,717,272 B2Canon Kabushiki Kaisha
- Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit4 Aug 2026US 12,699,351 B2Canon Kabushiki Kaisha
- Image forming apparatus with a stopper member and an urging member7 Jul 2026US 12,675,071 B2Canon Kabushiki Kaisha
- Drum unit16 Jun 2026US 12,656,728 B2Brother Kogyo Kabushiki Kaisha
- Drum unit24 Sep 2026US 2026/0288056 A1Brother Kogyo Kabushiki Kaisha
- Cartridge and image forming apparatus16 Jul 2026US 2026/0202790 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 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 and drum mount for photosensitive drum213US 6,240,266 B1Canon Kabushiki Kaisha · 2001
- Process cartridge and electrophotographic image forming apparatus188US 5,943,529 ACanon Kabushiki Kaisha · 1999
- Developing apparatus with drive mechanism for developer bearing body183US 6,173,145 B2Canon Kabushiki Kaisha · 2001
- Process cartridge, assembling method for process cartridge and electrophotographic image forming apparatus172US 5,878,310 ACanon Kabushiki Kaisha · 1999
- Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus156US 6,400,914 B1Canon Kabushiki Kaisha · 2002