G03G 21/1807
Colour
Official title: {colour}
G03G21/1807 (Colour) appears on 80 US grants and 57 published applications in this corpus.
Search patents in G03G- Granted patents
- 80
- Published applications
- 57
- Assignees
- 16
- Inventors
- 128
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 4 | 3 |
| 2011 | 3 | 2 |
| 2012 | 4 | 5 |
| 2013 | 2 | 1 |
| 2014 | 9 | 8 |
| 2015 | 5 | 8 |
| 2016 | 7 | 3 |
| 2017 | 2 | 2 |
| 2018 | 0 | 3 |
| 2019 | 3 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Toner, developer, process cartridge, image forming apparatus, and image forming method18 Feb 2025US 12,228,881 B2Ricoh Company, Ltd.
- Image forming apparatus20 Aug 2024US 12,066,787 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus25 Jul 2023US 11,709,437 B2Canon Kabushiki Kaisha
- Image forming apparatus21 Mar 2023US 11,609,533 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus27 Dec 2022US 11,537,058 B2Canon Kabushiki Kaisha
- Image forming apparatus1 Oct 2026US 2026/0299508 A1FUJIFILM Business Innovation Corp.
- Regenerated styrene-based resin composition and molded article of the same, and cartridge26 Mar 2026US 2026/0085179 A1Ps Japan Corporation
- Adaptation device, process cartridge, and process cartridge set11 Sep 2025US 2025/0284242 A1Zhuhai Pantum Electronics Co., Ltd.
- Image forming apparatus17 Jul 2025US 2025/0231525 A1KYOCERA Document Solutions Inc.
- Processing cartridge8 May 2025US 2025/0147463 A1Zhuhai Ninestar Information Technology Co., Ltd
Most cited
By later US patents
- Image forming apparatus and a unit detachably used in the same99US 4,500,195 ACanon Kabushiki Kaisha · 1985
- Image forming apparatus and process cartridge detachably mountable to same84US 5,521,693 ACanon Kabushiki Kaisha · 1996
- Process cartridge and image forming apparatus using same73US 5,235,383 ACanon Kabushiki Kaisha · 1993
- Process cartridge and multi-color image forming apparatus using same53US 4,924,267 ACanon Kabushiki Kaisha · 1990
- Image-forming device with holding unit having multiple positions53US 7,447,467 B2Brother Kogyo Kabushiki Kaisha · 2008