G03G 2215/0607
Two-component
Official title: two-component
G03G2215/0607 (Two-component) appears on 449 US grants and 458 published applications in this corpus.
Search patents in G03G- Granted patents
- 449
- Published applications
- 458
- Assignees
- 64
- Inventors
- 1,082
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 14 | 0 |
| 1997 | 4 | 0 |
| 1998 | 16 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 6 |
| 2004 | 5 | 18 |
| 2005 | 10 | 23 |
| 2006 | 23 | 41 |
| 2007 | 19 | 35 |
| 2008 | 18 | 42 |
| 2009 | 26 | 50 |
| 2010 | 34 | 31 |
| 2011 | 32 | 41 |
| 2012 | 35 | 20 |
| 2013 | 33 | 8 |
| 2014 | 27 | 11 |
| 2015 | 9 | 10 |
| 2016 | 14 | 10 |
| 2017 | 8 | 8 |
| 2018 | 10 | 15 |
| 2019 | 13 | 4 |
| 2020 | 2 | 3 |
| 2021 | 8 | 11 |
| 2022 | 6 | 8 |
| 2023 | 3 | 7 |
| 2024 | 7 | 10 |
| 2025 | 5 | 18 |
| 2026 | 7 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnet roller, developing roller, and image forming apparatus1 Sep 2026US 12,724,363 B2KYOCERA Document Solutions Inc.
- Developing device18 Aug 2026US 12,710,710 B2Canon Kabushiki Kaisha
- Carrier for electrophotographic image formation, developer for electrophotographic image formation, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge7 Jul 2026US 12,675,063 B2Ricoh Company, Ltd.
- Image forming apparatus2 Jun 2026US 12,645,169 B2Canon Kabushiki Kaisha
- Developing device and image forming apparatus19 May 2026US 12,631,989 B2KYOCERA Document Solutions Inc.
- Sleeve, developer carrying member, and developing device8 Oct 2026US 2026/0310116 A1Canon Kabushiki Kaisha
- Electrostatic charge image developing toner set, electrostatic charge image developer set, toner cartridge set, process cartridge, and image forming apparatus1 Oct 2026US 2026/0299451 A1FUJIFILM Business Innovation Corp.
- Developer set and image forming apparatus24 Sep 2026US 2026/0288028 A1KYOCERA Document Solutions Inc.
- Two-component developer, developing device, and image forming apparatus24 Sep 2026US 2026/0288032 A1KYOCERA Document Solutions Inc.
- Image forming apparatus24 Sep 2026US 2026/0288036 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Developing device using a toner and carrier mixture43US 5,771,426 ARicoh Company, Ltd. · 1998
- Developing machine which uses a developing agent including a toner and magnetic particles37US 5,822,664 ARicoh Company, Ltd. · 1998
- Loosely mounted outer sleeve member with biasing means36US 4,791,882 AMinolta Camera Kabushiki Kaisha · 1988
- Image forming apparatus35US 5,937,228 ARicoh Company, Ltd. · 1999
- Developing device for image forming apparatus31US 5,864,733 ARicoh Company, Ltd. · 1999