H04N 1/00254
With an electrophotographic copying machine, i.e. a photocopier
Official title: {with an electrophotographic copying machine, i.e. a photocopier}
H04N1/00254 (With an electrophotographic copying machine, i.e. a photocopier) appears on 75 US grants and 22 published applications in this corpus.
Search patents in H04N- Granted patents
- 75
- Published applications
- 22
- Assignees
- 25
- Inventors
- 125
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical scanning device and image forming apparatus including same28 Jul 2026US 12,695,840 B2KYOCERA Document Solutions Inc.
- Arrangement of operation unit in image forming apparatus9 Jun 2026US 12,652,358 B2Canon Kabushiki Kaisha
- Inspection apparatus, method of controlling the same, and storage medium1 Jul 2025US 12,348,684 B2Canon Kabushiki Kaisha
- Mobile type apparatus and imaging system15 Mar 2022US 11,277,528 B2FUJIFILM Corporation
- Sheet housing device with pivot rotation mechanism for user access12 Jan 2021US 10,890,871 B2Toshiba Tec Kabushiki Kaisha
- Arrangement of operation unit in image forming apparatus17 Sep 2026US 2026/0281258 A1Canon Kabushiki Kaisha
- Inspection apparatus, method of controlling the same, and storage medium11 Sep 2025US 2025/0286959 A1Canon Kabushiki Kaisha
- Arrangement of operation unit in image forming apparatus15 May 2025US 2025/0159086 A1Canon Kabushiki Kaisha
- Light scanning apparatus and image forming apparatus21 Nov 2024US 2024/0388670 A1Canon Kabushiki Kaisha
- Optical scanning device and image forming apparatus including same31 Oct 2024US 2024/0364832 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Copy machine managing system and facsimile machine used therein47US 5,424,844 ARicoh Company, Ltd. · 1995
- Image information recording apparatus37US 4,122,462 ACanon Kabushiki Kaisha · 1978
- Integral document processing apparatus equipped with an image forming system and a facsimile transmission system28US 4,794,419 AMinolta Camera Kabushiki Kaisha · 1988
- Apparatus for xerographically printing a composite record based on fixed and variable data27US 4,167,324 ABurroughs Corporation · 1979
- Combined electrographic printer, copier, and telefax machine with duplex capability27US 4,814,798 AKentek Information Systems, Inc. · 1989