G03G 2215/0602
Developer
G03G2215/0602 (Developer) appears on 1,060 US grants and 939 published applications in this corpus.
Search patents in G03G- Granted patents
- 1,060
- Published applications
- 939
- Assignees
- 119
- Inventors
- 2,256
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 21 | 0 |
| 1992 | 11 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 15 | 0 |
| 1996 | 37 | 0 |
| 1997 | 18 | 0 |
| 1998 | 57 | 0 |
| 1999 | 37 | 0 |
| 2000 | 30 | 0 |
| 2001 | 35 | 3 |
| 2002 | 21 | 14 |
| 2003 | 14 | 21 |
| 2004 | 13 | 32 |
| 2005 | 18 | 47 |
| 2006 | 35 | 77 |
| 2007 | 37 | 71 |
| 2008 | 45 | 89 |
| 2009 | 45 | 108 |
| 2010 | 52 | 79 |
| 2011 | 76 | 81 |
| 2012 | 78 | 36 |
| 2013 | 66 | 14 |
| 2014 | 44 | 16 |
| 2015 | 13 | 13 |
| 2016 | 20 | 17 |
| 2017 | 16 | 20 |
| 2018 | 15 | 27 |
| 2019 | 21 | 12 |
| 2020 | 14 | 9 |
| 2021 | 11 | 19 |
| 2022 | 15 | 14 |
| 2023 | 6 | 7 |
| 2024 | 9 | 29 |
| 2025 | 13 | 39 |
| 2026 | 12 | 45 |
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, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus1 Oct 2026US 2026/0299450 A1FUJIFILM Business Innovation Corp.
- 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.
- Post-processing device and image forming system using post-processing device1 Oct 2026US 2026/0299498 A1FUJIFILM Business Innovation Corp.
- Post-processing device, image forming system, and rubbing component used in post-processing device and image forming system1 Oct 2026US 2026/0299499 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Scavengeless development apparatus for use in highlight color imaging142US 4,868,600 AXerox Corporation · 1989
- Image developing device for electrophotography114US 4,835,565 ARicoh Company, Ltd. · 1989
- Electrophotographic apparatus including a plurality of developing agent image forming units and a method of forming an electrophotographic image107US 6,336,021 B12002
- Apparatus for forming an electrophotographic latent image74US 4,967,231 AElectric Co., Ltd. · 1990
- Magnetic toner and image-forming method54US 8,426,091 B2Canon Kabushiki Kaisha · 2013