H04N 2201/0091
Digital copier
Official title: Digital copier; digital 'photocopier' (H04N2201/0093 and H04N2201/0094 take precedence)
H04N2201/0091 (Digital copier) appears on 701 US grants and 873 published applications in this corpus.
Search patents in H04N- Granted patents
- 701
- Published applications
- 873
- Assignees
- 112
- Inventors
- 1,481
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 10 |
| 2003 | 8 | 18 |
| 2004 | 24 | 41 |
| 2005 | 18 | 67 |
| 2006 | 19 | 71 |
| 2007 | 17 | 89 |
| 2008 | 38 | 98 |
| 2009 | 31 | 70 |
| 2010 | 46 | 48 |
| 2011 | 61 | 53 |
| 2012 | 63 | 48 |
| 2013 | 73 | 64 |
| 2014 | 70 | 51 |
| 2015 | 74 | 24 |
| 2016 | 23 | 28 |
| 2017 | 30 | 39 |
| 2018 | 24 | 18 |
| 2019 | 22 | 8 |
| 2020 | 15 | 7 |
| 2021 | 6 | 3 |
| 2022 | 1 | 2 |
| 2023 | 2 | 4 |
| 2024 | 3 | 1 |
| 2025 | 2 | 5 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Information processing apparatus and image forming apparatus with adaptive diagnostic image layout based on recording medium size2 Dec 2025US 12,489,853 B2FUJIFILM Business Innovation Corp.
- Remotely controlling a power supply of an image forming apparatus11 Mar 2025US 12,250,350 B2Canon Kabushiki Kaisha
- Image forming apparatus6 Aug 2024US 12,058,292 B2FUJIFILM Business Innovation Corp.
- Information processing apparatus and image forming apparatus for improving accuracy of a diagnostic image5 Mar 2024US 11,924,384 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus, non-transitory computer readable medium, and method for outputting reading result of an adjusted image formed by image forming apparatus16 Jan 2024US 11,876,935 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus, method of controlling image forming apparatus, and recording medium20 Aug 2026US 2026/0246877 A1Canon Kabushiki Kaisha
- Information processing system and non-transitory computer readable medium13 Aug 2026US 2026/0238731 A1FUJIFILM Business Innovation Corp.
- Image forming system, image forming method, and non-transitory computer readable medium30 Apr 2026US 2026/0119618 A1FUJIFILM Business Innovation Corp.
- Image processor, image reading device, image forming apparatus, medical information management system, image processing method, and non-transitory recording medium26 Mar 2026US 2026/0089283 A1Ricoh Company, Ltd.
- Image processing apparatus, non-transitory computer readable medium, and method29 Jan 2026US 2026/0032210 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Methods for surveying dissemination of proprietary empirical data1,132US 5,862,260 ADigimarc Corporation · 1999
- Methods for controlling systems using control signals embedded in empirical data574US 5,832,119 ADigimarc Corporation · 1998
- Photographic products and methods employing embedded information480US 5,822,436 ADigimarc Corporation · 1998
- Apparatus and method for information processing in network system249US 7,725,474 B2Konica Minolta Business Technologies, Inc. · 2010
- Method and system for controlling and communicating with machines using multiple communication formats228US 5,818,603 ARicoh Company, Ltd. · 1998