G03G 2215/0164
Uniformity control of the toner density at separate colour transfers
G03G2215/0164 (Uniformity control of the toner density at separate colour transfers) appears on 221 US grants and 239 published applications in this corpus.
Search patents in G03G- Granted patents
- 221
- Published applications
- 239
- Assignees
- 35
- Inventors
- 452
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 9 |
| 2005 | 7 | 14 |
| 2006 | 8 | 8 |
| 2007 | 8 | 17 |
| 2008 | 5 | 11 |
| 2009 | 9 | 17 |
| 2010 | 9 | 18 |
| 2011 | 11 | 24 |
| 2012 | 17 | 16 |
| 2013 | 28 | 22 |
| 2014 | 16 | 14 |
| 2015 | 27 | 15 |
| 2016 | 19 | 13 |
| 2017 | 18 | 19 |
| 2018 | 10 | 5 |
| 2019 | 8 | 3 |
| 2020 | 5 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 3 | 5 |
| 2024 | 3 | 3 |
| 2025 | 2 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus16 Sep 2025US 12,416,888 B2Ricoh Company, Ltd.
- Image forming apparatus to perform phase matching control to match phases of image-density cycle fluctuations7 Jan 2025US 12,189,319 B2Ricoh Company, Ltd.
- Control device, image forming apparatus, image forming method, and storage medium15 Oct 2024US 12,117,755 B2Ricoh Company, Ltd.
- Image processing device11 Jun 2024US 12,007,710 B2Toshiba Tec Kabushiki Kaisha
- Image forming apparatus for forming images on sheets by using toner16 Apr 2024US 11,960,219 B2Canon Kabushiki Kaisha
- Image forming apparatus9 Apr 2026US 2026/0099118 A1Canon Kabushiki Kaisha
- Image forming apparatus, non-transitory computer readable medium storing program, and image forming method12 Mar 2026US 2026/0072390 A1FUJIFILM Business Innovation Corp.
- Image forming system and display method for image forming apparatus15 Jan 2026US 2026/0019527 A1Canon Kabushiki Kaisha
- Image forming apparatus and storage medium5 Dec 2024US 2024/0406335 A1Konica Minolta, Inc.
- Image forming apparatus14 Nov 2024US 2024/0377779 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Robust system for transmitting and receiving map data100US 6,924,753 B2Zenith Electronics Corporation · 2005
- Mixed-media telecommunication call set-up49US 7,102,663 B2Orange Personal Communications Services Limited · 2006
- Intermediate image transfer device for a color image forming apparatus39US 7,003,238 B2Ricoh Company, Ltd. · 2006
- Self-calibrating printer and printer calibration method32US 7,271,935 B2Eastman Kodak Company · 2007
- Image forming device, pattern formation method and storage medium storing its program29US 7,486,414 B2Fuji Xerox Co., Ltd. · 2009