G03G 2215/0604
Solid type
Official title: solid type
G03G2215/0604 (Solid type) appears on 858 US grants and 728 published applications in this corpus.
Search patents in G03G- Granted patents
- 858
- Published applications
- 728
- Assignees
- 89
- Inventors
- 1,884
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 32 | 0 |
| 1997 | 15 | 0 |
| 1998 | 44 | 0 |
| 1999 | 33 | 0 |
| 2000 | 28 | 0 |
| 2001 | 24 | 2 |
| 2002 | 11 | 8 |
| 2003 | 9 | 13 |
| 2004 | 11 | 25 |
| 2005 | 11 | 37 |
| 2006 | 27 | 56 |
| 2007 | 31 | 46 |
| 2008 | 31 | 71 |
| 2009 | 33 | 79 |
| 2010 | 41 | 53 |
| 2011 | 55 | 67 |
| 2012 | 57 | 29 |
| 2013 | 56 | 13 |
| 2014 | 38 | 12 |
| 2015 | 11 | 12 |
| 2016 | 16 | 14 |
| 2017 | 14 | 13 |
| 2018 | 12 | 19 |
| 2019 | 15 | 5 |
| 2020 | 9 | 7 |
| 2021 | 8 | 15 |
| 2022 | 12 | 13 |
| 2023 | 6 | 7 |
| 2024 | 9 | 29 |
| 2025 | 13 | 38 |
| 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
- 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
- Electrophotographic recording apparatus using developing device with one-component type developer and having combination of charge injection effect and conductive contact type charger53US 6,175,710 B1Fujitsu Limited · 2001