G03G 2221/1633
Details concerning the developing process
G03G2221/1633 (Details concerning the developing process) appears on 71 US grants and 30 published applications in this corpus.
Search patents in G03G- Granted patents
- 71
- Published applications
- 30
- Assignees
- 23
- Inventors
- 156
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 7 |
| 2008 | 4 | 3 |
| 2009 | 6 | 3 |
| 2010 | 2 | 0 |
| 2011 | 2 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus22 Sep 2026US 12,743,048 B2Canon Kabushiki Kaisha
- Developing device and image forming apparatus having operation mode for cleaning2 Sep 2025US 12,405,551 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus having removable developing units21 Aug 2018US 10,054,872 B2Canon Kabushiki Kaisha
- Driving device and image forming apparatus including the same22 May 2018US 9,977,371 B2S-Printing Solution Co., Ltd.
- Toner replenishment mechanism with simple constitution, image forming apparatus with toner replenishment mechanism, and toner replenishment control method4 Aug 2015US 9,098,019 B2KYOCERA Document Solutions Inc.
- Image forming apparatus11 Jun 2026US 2026/0161130 A1Canon Kabushiki Kaisha
- Image forming apparatus2 Oct 2025US 2025/0306525 A1Canon Kabushiki Kaisha
- Developing device and image forming apparatus27 Mar 2025US 2025/0102950 A1FUJIFILM Business Innovation Corp.
- Driving device and image forming apparatus including the same4 Jan 2018US 2018/0004126 A1S-Printing Solution Co., Ltd.
- Image forming apparatus7 Sep 2017US 2017/0255125 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Process cartridge and electrophotographic image forming apparatus255US 5,920,753 ACanon Kabushiki Kaisha · 1999
- Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and process cartridge having a supporting member for rotatably supporting a developing roller at a position away from the center of rotation thereof155US 6,577,831 B1Canon Kabushiki Kaisha · 2003
- Process cartridge and image forming apparatus107US 5,404,198 ACanon Kabushiki Kaisha · 1995
- Process cartridge and image forming system96US 5,510,878 ACanon Kabushiki Kaisha · 1996
- Process cartridge detachably mountable to image forming apparatus93US 5,223,893 ACanon Kabushiki Kaisha · 1993