G03G 15/0894
Reconditioning of the developer unit, i.e. reusing or recycling parts of the
Official title: {Reconditioning of the developer unit, i.e. reusing or recycling parts of the unit, e.g. resealing of the unit before refilling with toner}
G03G15/0894 (Reconditioning of the developer unit, i.e. reusing or recycling parts of the) appears on 520 US grants and 503 published applications in this corpus.
Search patents in G03G- Granted patents
- 520
- Published applications
- 503
- Assignees
- 89
- Inventors
- 875
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 3 |
| 2002 | 9 | 6 |
| 2003 | 10 | 8 |
| 2004 | 9 | 18 |
| 2005 | 14 | 33 |
| 2006 | 23 | 26 |
| 2007 | 28 | 24 |
| 2008 | 15 | 33 |
| 2009 | 24 | 25 |
| 2010 | 22 | 24 |
| 2011 | 19 | 22 |
| 2012 | 16 | 13 |
| 2013 | 15 | 13 |
| 2014 | 14 | 20 |
| 2015 | 24 | 12 |
| 2016 | 17 | 17 |
| 2017 | 14 | 19 |
| 2018 | 16 | 29 |
| 2019 | 25 | 12 |
| 2020 | 13 | 15 |
| 2021 | 26 | 35 |
| 2022 | 30 | 30 |
| 2023 | 24 | 22 |
| 2024 | 19 | 21 |
| 2025 | 18 | 16 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Determination method and recovery method15 Sep 2026US 12,736,898 B2Canon Kabushiki Kaisha
- Method of assembling developing cartridge25 Aug 2026US 12,717,270 B2Brother Kogyo Kabushiki Kaisha
- Developer container and image forming system for accommodating powder or liquid contents18 Aug 2026US 12,710,708 B2Canon Kabushiki Kaisha
- Developer accommodating container and image forming apparatus7 Jul 2026US 12,675,062 B2Canon Kabushiki Kaisha
- Powder container, image forming apparatus, and method for manufacturing powder container12 May 2026US 12,625,442 B2Ricoh Company, Ltd.
- Developer accommodating container and image forming apparatus1 Oct 2026US 2026/0299464 A1Canon Kabushiki Kaisha
- Image forming apparatus1 Oct 2026US 2026/0299485 A1Canon Kabushiki Kaisha
- Discharge method, development device, and image forming apparatus16 Jul 2026US 2026/0202778 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus18 Jun 2026US 2026/0169413 A1
- Developer carrying member and manufacturing method thereof12 Mar 2026US 2026/0072375 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Process cartridge and remanufacturing method160US 6,029,031 ACanon Kabushiki Kaisha · 2000
- Developing cartridge157US 6,072,969 ACanon Kabushiki Kaisha · 2000
- Assembling and disassembling methods for developing cartridge101US 6,381,430 B1Canon Kabushiki Kaisha · 2002
- Image forming device, powder feeding device, toner storage container, powder storage container, and method of recycling the containers77US 7,277,664 B2Ricoh Company, Ltd. · 2007
- Developer cartridge for developing a latent image detachably mountable to a main assembly of an image forming apparatus64US 6,016,408 ACanon Kabushiki Kaisha · 2000