G03G 15/0812
Characterised by the developer regulating means
Official title: {characterised by the developer regulating means, e.g. structure of doctor blade}
G03G15/0812 (Characterised by the developer regulating means) appears on 981 US grants and 862 published applications in this corpus.
Search patents in G03G- Granted patents
- 981
- Published applications
- 862
- Assignees
- 109
- Inventors
- 1,654
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 22 | 0 |
| 1999 | 20 | 0 |
| 2000 | 19 | 0 |
| 2001 | 24 | 10 |
| 2002 | 19 | 15 |
| 2003 | 16 | 18 |
| 2004 | 14 | 12 |
| 2005 | 12 | 26 |
| 2006 | 17 | 29 |
| 2007 | 20 | 33 |
| 2008 | 20 | 35 |
| 2009 | 17 | 41 |
| 2010 | 25 | 28 |
| 2011 | 38 | 31 |
| 2012 | 36 | 35 |
| 2013 | 22 | 64 |
| 2014 | 48 | 33 |
| 2015 | 78 | 74 |
| 2016 | 70 | 37 |
| 2017 | 35 | 46 |
| 2018 | 50 | 45 |
| 2019 | 40 | 47 |
| 2020 | 62 | 40 |
| 2021 | 23 | 20 |
| 2022 | 26 | 37 |
| 2023 | 29 | 21 |
| 2024 | 18 | 33 |
| 2025 | 29 | 33 |
| 2026 | 12 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Developing device including spiral blade for conveying developer while rotating and image forming apparatus22 Sep 2026US 12,743,039 B2KYOCERA Document Solutions Inc.
- Developer container, developing device, process cartridge, toner container, sub-hopper, and image forming apparatus which have multiple partitions disposed between a first housing and a second housing4 Aug 2026US 12,699,338 B2Ricoh Company, Ltd.
- Electrophotographic member, process cartridge, and electrophotographic image forming apparatus21 Jul 2026US 12,687,798 B2Canon Kabushiki Kaisha
- Process cartridge and electrophotographic image forming apparatus16 Jun 2026US 12,656,730 B2Canon Kabushiki Kaisha
- Developer supply container and developer supplying system5 May 2026US 12,619,190 B2Canon Kabushiki Kaisha
- Developing device and image forming apparatus1 Oct 2026US 2026/0299460 A1FUJIFILM Business Innovation Corp.
- Two-component developer, developer set, developing device, and image forming apparatus24 Sep 2026US 2026/0288027 A1KYOCERA Document Solutions Inc.
- Developing apparatus24 Sep 2026US 2026/0288035 A1Canon Kabushiki Kaisha
- Developing device, process cartridge, and imaging forming apparatus10 Sep 2026US 2026/0267257 A1Etria Co., Ltd.
- Developer supply container and developer supplying system6 Aug 2026US 2026/0227739 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- 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
- Image developing device for electrophotography114US 4,835,565 ARicoh Company, Ltd. · 1989
- Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit113US 7,933,534 B2Canon Kabushiki Kaisha · 2011
- Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit97US 8,682,211 B2Canon Kabushiki Kaisha · 2014
- Electrophotographic image formation process and apparatus81US 6,360,068 B1Fujitsu Limited · 2002