G03G 15/081
Characterised by the developer handling means after the supply and before the
Official title: {characterised by the developer handling means after the supply and before the regulating, e.g. means for preventing developer blocking}
G03G15/081 (Characterised by the developer handling means after the supply and before the) appears on 159 US grants and 145 published applications in this corpus.
Search patents in G03G- Granted patents
- 159
- Published applications
- 145
- Assignees
- 24
- Inventors
- 290
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 6 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 3 | 4 |
| 2009 | 3 | 5 |
| 2010 | 2 | 6 |
| 2011 | 4 | 5 |
| 2012 | 8 | 7 |
| 2013 | 8 | 13 |
| 2014 | 12 | 4 |
| 2015 | 11 | 11 |
| 2016 | 8 | 7 |
| 2017 | 13 | 16 |
| 2018 | 12 | 8 |
| 2019 | 7 | 9 |
| 2020 | 17 | 14 |
| 2021 | 7 | 5 |
| 2022 | 3 | 2 |
| 2023 | 3 | 5 |
| 2024 | 6 | 4 |
| 2025 | 3 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process cartridge including frame having photosensitive drum, drum coupling and flange fixed to photosensitive drum14 Apr 2026US 12,601,989 B2Brother Kogyo Kabushiki Kaisha
- Developing device12 Aug 2025US 12,386,284 B2KYOCERA Document Solutions Inc.
- Electrophotographic image forming apparatus, developing apparatus, and coupling member13 May 2025US 12,298,704 B2Canon Kabushiki Kaisha
- Image forming apparatus including developer carrier that is rotatable in forward direction and reverse direction6 May 2025US 12,292,702 B2Sharp Kabushiki Kaisha
- Electrophotographic image forming apparatus, developing apparatus, and coupling member26 Nov 2024US 12,153,374 B2Canon Kabushiki Kaisha
- Process cartridge including frame having photosensitive drum, drum coupling and flange fixed to photosensitive drum9 Jul 2026US 2026/0194837 A1Brother Kogyo Kabushiki Kaisha
- Image forming apparatus5 Jun 2025US 2025/0181016 A1Canon Kabushiki Kaisha
- Developing device and image forming apparatus27 Mar 2025US 2025/0102949 A1FUJIFILM Business Innovation Corp.
- Developing device and image forming apparatus27 Mar 2025US 2025/0102963 A1FUJIFILM Business Innovation Corp.
- Developing device13 Feb 2025US 2025/0053115 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Image forming apparatus and developing device with improved self toner density control118US 6,337,957 B12002
- Electrophotographic image forming apparatus, developing apparatus, and coupling member76US 8,688,008 B2Canon Kabushiki Kaisha · 2014
- Electrophotographic image forming apparatus, developing apparatus, and coupling member46US 8,437,669 B2Canon Kabushiki Kaisha · 2013
- Developing apparatus and developing method40US 8,883,389 B2Canon Kabushiki Kaisha · 2014
- Developer container including a developer movement suppression feature29US 6,985,686 B2Canon Kabushiki Kaisha · 2006