G03G 15/0815
Characterised by the developer handling means after the developing zone and before
Official title: {characterised by the developer handling means after the developing zone and before the supply, e.g. developer recovering roller}
G03G15/0815 (Characterised by the developer handling means after the developing zone and before) appears on 213 US grants and 195 published applications in this corpus.
Search patents in G03G- Granted patents
- 213
- Published applications
- 195
- Assignees
- 40
- Inventors
- 480
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 11 |
| 2008 | 1 | 12 |
| 2009 | 6 | 20 |
| 2010 | 12 | 11 |
| 2011 | 13 | 10 |
| 2012 | 16 | 9 |
| 2013 | 13 | 11 |
| 2014 | 7 | 7 |
| 2015 | 7 | 7 |
| 2016 | 7 | 8 |
| 2017 | 16 | 14 |
| 2018 | 10 | 12 |
| 2019 | 4 | 9 |
| 2020 | 21 | 12 |
| 2021 | 9 | 6 |
| 2022 | 3 | 4 |
| 2023 | 4 | 6 |
| 2024 | 6 | 4 |
| 2025 | 3 | 2 |
| 2026 | 2 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus, device, and bearing16 Jun 2026US 12,656,707 B2FUJIFILM Business Innovation Corp.
- Development apparatus19 May 2026US 12,631,990 B2Canon Kabushiki Kaisha
- Image forming apparatus9 Sep 2025US 12,411,435 B2Canon Kabushiki Kaisha
- Electrophotographic image forming apparatus, developing apparatus, and coupling member13 May 2025US 12,298,704 B2Canon Kabushiki Kaisha
- Developing device, process cartridge, and image forming apparatus including an entrance seal which contacts an image bearer11 Feb 2025US 12,222,664 B2Ricoh Company, Ltd.
- Two-component developer, developing device, and image forming apparatus24 Sep 2026US 2026/0288032 A1KYOCERA Document Solutions Inc.
- Developing apparatus24 Sep 2026US 2026/0288035 A1Canon Kabushiki Kaisha
- Development apparatus3 Sep 2026US 2026/0259521 A1Canon Kabushiki Kaisha
- Developing device25 Jun 2026US 2026/0177944 A1Canon Kabushiki Kaisha
- Developing apparatus21 May 2026US 2026/0140460 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electrophotographic image forming apparatus, developing apparatus, and coupling member76US 8,688,008 B2Canon Kabushiki Kaisha · 2014
- Developing apparatus having means for removing electric charge of toner46US 6,035,171 ASharp Kabushiki Kaisha · 2000
- Electrophotographic image forming apparatus, developing apparatus, and coupling member46US 8,437,669 B2Canon Kabushiki Kaisha · 2013
- Developing apparatus37US 5,086,728 ACanon Kabushiki Kaisha · 1992
- Toner carrier for developing device for electrostatic printing apparatus36US 4,827,868 ARicoh Company, Ltd. · 1989