G03G 2215/0177
Rotating set of developing units
G03G2215/0177 (Rotating set of developing units) appears on 827 US grants and 615 published applications in this corpus.
Search patents in G03G- Granted patents
- 827
- Published applications
- 615
- Assignees
- 52
- Inventors
- 1,035
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 34 | 0 |
| 1999 | 55 | 0 |
| 2000 | 64 | 0 |
| 2001 | 45 | 16 |
| 2002 | 41 | 39 |
| 2003 | 31 | 47 |
| 2004 | 44 | 76 |
| 2005 | 54 | 86 |
| 2006 | 58 | 73 |
| 2007 | 61 | 55 |
| 2008 | 55 | 35 |
| 2009 | 35 | 31 |
| 2010 | 35 | 23 |
| 2011 | 20 | 33 |
| 2012 | 28 | 23 |
| 2013 | 29 | 19 |
| 2014 | 30 | 5 |
| 2015 | 7 | 1 |
| 2016 | 2 | 5 |
| 2017 | 9 | 11 |
| 2018 | 8 | 5 |
| 2019 | 7 | 3 |
| 2020 | 10 | 10 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 9 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Roller driving apparatus used in image forming apparatus29 Sep 2026US 12,748,363 B2Canon Kabushiki Kaisha
- Image forming apparatus having moving device to move cartridge to attached and retracted positions26 May 2026US 12,638,791 B2Canon Kabushiki Kaisha
- Electrophotographic image forming apparatus, developing apparatus, and coupling member13 May 2025US 12,298,704 B2Canon Kabushiki Kaisha
- Electrophotographic image forming apparatus, developing apparatus, and coupling member26 Nov 2024US 12,153,374 B2Canon Kabushiki Kaisha
- Developing device19 Dec 2023US 11,846,892 B2Canon Kabushiki Kaisha
- Image forming apparatus3 Sep 2026US 2026/0259520 A1Canon Kabushiki Kaisha
- Image forming apparatus that forms image on sheet using rotary developing scheme27 Aug 2026US 2026/0251999 A1Canon Kabushiki Kaisha
- Image forming apparatus11 Jun 2026US 2026/0161109 A1Canon Kabushiki Kaisha
- Image forming apparatus11 Jun 2026US 2026/0161110 A1
- Image forming apparatus11 Jun 2026US 2026/0161111 A1
Most cited
By later US patents
- Driving force receiving member, shaft coupling, toner image bearing member, process cartridge and electrophotographic image forming apparatus163US 6,473,580 B1Canon Kabushiki Kaisha · 2002
- Developing cartridge157US 6,072,969 ACanon Kabushiki Kaisha · 2000
- Process cartridge having guide projections and image forming apparatus using same147US 6,351,620 B1Canon Kabushiki Kaisha · 2002
- Process cartridge and electrophotographic image forming apparatus139US 6,282,390 B1Canon Kabushiki Kaisha · 2001
- Electrophotographic apparatus having plural image forming modes, and a process cartridge applied to such electrophotographic apparatus104US 6,157,792 ACanon Kabushiki Kaisha · 2000