G03G 2215/00029
Image density detection
G03G2215/00029 (Image density detection) appears on 1,501 US grants and 1,189 published applications in this corpus.
Search patents in G03G- Granted patents
- 1,501
- Published applications
- 1,189
- Assignees
- 109
- Inventors
- 2,238
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 23 | 0 |
| 1993 | 22 | 0 |
| 1994 | 21 | 0 |
| 1995 | 21 | 0 |
| 1996 | 31 | 0 |
| 1997 | 22 | 0 |
| 1998 | 49 | 0 |
| 1999 | 58 | 0 |
| 2000 | 40 | 0 |
| 2001 | 37 | 16 |
| 2002 | 43 | 44 |
| 2003 | 48 | 37 |
| 2004 | 31 | 57 |
| 2005 | 37 | 67 |
| 2006 | 46 | 70 |
| 2007 | 59 | 82 |
| 2008 | 48 | 113 |
| 2009 | 66 | 121 |
| 2010 | 84 | 97 |
| 2011 | 103 | 116 |
| 2012 | 102 | 36 |
| 2013 | 111 | 30 |
| 2014 | 54 | 14 |
| 2015 | 32 | 17 |
| 2016 | 19 | 16 |
| 2017 | 10 | 19 |
| 2018 | 24 | 35 |
| 2019 | 40 | 31 |
| 2020 | 36 | 31 |
| 2021 | 20 | 25 |
| 2022 | 21 | 16 |
| 2023 | 18 | 30 |
| 2024 | 22 | 20 |
| 2025 | 12 | 28 |
| 2026 | 17 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus that obtains condition information of part of printing apparatus, method, system, and storage medium8 Sep 2026US 12,730,403 B2Canon Kabushiki Kaisha
- Image forming apparatus11 Aug 2026US 12,704,803 B2Canon Kabushiki Kaisha
- Post-processing device and image forming apparatus21 Jul 2026US 12,686,586 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus that can perform light amount calibration to adjust the density of a half tone image30 Jun 2026US 12,669,764 B2KYOCERA Document Solutions Inc.
- Image forming apparatus that performs shading correction to maintain print position accuracy23 Jun 2026US 12,663,741 B2Canon Kabushiki Kaisha
- Image forming system, color measurement control method, and storage medium8 Oct 2026US 2026/0310123 A1Konica Minolta, Inc.
- Apparatus1 Oct 2026US 2026/0299478 A1FUJIFILM Business Innovation Corp.
- Sensor apparatus and image forming apparatus1 Oct 2026US 2026/0299480 A1KYOCERA Document Solutions Inc.
- Apparatus1 Oct 2026US 2026/0299484 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus that prints image by electrophotography17 Sep 2026US 2026/0277129 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Process cartridge and electrophotographic image forming apparatus194US 5,946,531 ACanon Kabushiki Kaisha · 1999
- Color imager bar based spectrophotometer for color printer color control system177US 6,621,576 B2Xerox Corporation · 2003
- Systems and methods for automated image quality based diagnostics and remediation of document processing systems165US 6,665,425 B1Xerox Corporation · 2003
- Multiple print engine with virtual job routing160US 5,859,711 AT/R Systems · 1999
- Robust system for transmitting and receiving map data100US 6,924,753 B2Zenith Electronics Corporation · 2005