G03G 15/0808
Characterised by the developer supplying means
Official title: {characterised by the developer supplying means, e.g. structure of developer supply roller}
G03G15/0808 (Characterised by the developer supplying means) appears on 940 US grants and 964 published applications in this corpus.
Search patents in G03G- Granted patents
- 940
- Published applications
- 964
- Assignees
- 100
- Inventors
- 1,591
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 16 | 0 |
| 1998 | 15 | 0 |
| 1999 | 13 | 0 |
| 2000 | 14 | 0 |
| 2001 | 19 | 3 |
| 2002 | 7 | 4 |
| 2003 | 6 | 12 |
| 2004 | 10 | 14 |
| 2005 | 7 | 13 |
| 2006 | 9 | 9 |
| 2007 | 10 | 20 |
| 2008 | 3 | 31 |
| 2009 | 9 | 45 |
| 2010 | 23 | 36 |
| 2011 | 40 | 48 |
| 2012 | 36 | 31 |
| 2013 | 48 | 41 |
| 2014 | 38 | 36 |
| 2015 | 57 | 56 |
| 2016 | 46 | 39 |
| 2017 | 34 | 49 |
| 2018 | 41 | 55 |
| 2019 | 65 | 58 |
| 2020 | 62 | 77 |
| 2021 | 73 | 55 |
| 2022 | 52 | 45 |
| 2023 | 42 | 40 |
| 2024 | 35 | 42 |
| 2025 | 31 | 55 |
| 2026 | 29 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Roller driving apparatus used in image forming apparatus29 Sep 2026US 12,748,363 B2Canon Kabushiki Kaisha
- Image-forming apparatus configured to move movable gear to mesh with first gear before receiving print command22 Sep 2026US 12,743,044 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus22 Sep 2026US 12,743,048 B2Canon Kabushiki Kaisha
- Electrophotographic conductive roller, process cartridge, and electrophotographic image forming apparatus15 Sep 2026US 12,736,893 B2Canon Kabushiki Kaisha
- Process cartridge, image forming apparatus and toner storage unit25 Aug 2026US 12,717,271 B2Brother Kogyo Kabushiki Kaisha
- Developing device and image forming apparatus1 Oct 2026US 2026/0299460 A1FUJIFILM Business Innovation Corp.
- Developing device and image forming apparatus1 Oct 2026US 2026/0299461 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus17 Sep 2026US 2026/0277144 A1Canon Kabushiki Kaisha
- Developing device, process cartridge, and imaging forming apparatus10 Sep 2026US 2026/0267257 A1Etria Co., Ltd.
- Developing device10 Sep 2026US 2026/0267259 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electrophotographic image formation process and apparatus81US 6,360,068 B1Fujitsu Limited · 2002
- Image formation device and agent supplying device including absorber conveying by negative pressure68US 6,826,381 B2Ricoh Company, Ltd. · 2004
- Gray scale monocomponent nonmagnetic development system60US 5,255,057 AEastman Kodak Company · 1993
- Developing device using a single component developer54US 4,930,438 A1990
- Image-forming apparatus, image-forming method, developing apparatus, and developing method53US 9,442,416 B2Canon Kabushiki Kaisha · 2016