H04N 1/00838
Preventing unauthorised reproduction
Official title: {Preventing unauthorised reproduction}
H04N1/00838 (Preventing unauthorised reproduction) appears on 1,311 US grants and 1,351 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,311
- Published applications
- 1,351
- Assignees
- 205
- Inventors
- 1,954
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 19 | 0 |
| 1996 | 17 | 0 |
| 1997 | 23 | 0 |
| 1998 | 34 | 0 |
| 1999 | 21 | 0 |
| 2000 | 22 | 0 |
| 2001 | 23 | 13 |
| 2002 | 23 | 44 |
| 2003 | 19 | 29 |
| 2004 | 24 | 31 |
| 2005 | 21 | 57 |
| 2006 | 29 | 70 |
| 2007 | 39 | 120 |
| 2008 | 35 | 95 |
| 2009 | 50 | 107 |
| 2010 | 52 | 84 |
| 2011 | 76 | 59 |
| 2012 | 91 | 43 |
| 2013 | 92 | 55 |
| 2014 | 86 | 62 |
| 2015 | 77 | 65 |
| 2016 | 56 | 60 |
| 2017 | 47 | 57 |
| 2018 | 56 | 64 |
| 2019 | 51 | 39 |
| 2020 | 51 | 50 |
| 2021 | 34 | 34 |
| 2022 | 41 | 32 |
| 2023 | 27 | 27 |
| 2024 | 28 | 22 |
| 2025 | 20 | 17 |
| 2026 | 4 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image reading apparatus and image forming apparatus7 Jul 2026US 12,676,936 B2KYOCERA Document Solutions Inc.
- Systems and methods for the generation and usage of authentication images in conjunction with low-resolution print devices16 Jun 2026US 12,659,414 B2Proof Authentication Corporation
- Communication system and image obtaining device configured to transmit image data and to transmit encryption key, nontransitory computer-readable recording medium storing computer readable instructions for image obtaining device, and controlling method for image obtaining device5 May 2026US 12,621,401 B2Brother Kogyo Kabushiki Kaisha
- Remote operation apparatus capable of restricting connection between an image forming apparatus and another remote operation apparatus, image forming apparatus, and image forming system6 Jan 2026US 12,519,895 B2Canon Kabushiki Kaisha
- Halftone screen tiles9 Dec 2025US 12,495,118 B2Hewlett-Packard Development Company, L. P.
- Methods and systems for determining the authenticity of a component8 Oct 2026US 2026/0310831 A1Lexmark International, Inc.
- Information processing system, non-transitory computer readable medium storing program, and information processing method17 Sep 2026US 2026/0280885 A1FUJIFILM Business Innovation Corp.
- Systems and methods for the generation and usage of authentication images in conjunction with low-resolution print devices17 Sep 2026US 2026/0281271 A1Proof Authentication Corporation
- Information processing system and method and non-transitory computer readable medium10 Sep 2026US 2026/0270359 A1FUJIFILM Business Innovation Corp.
- Authentication of physical objects based on reliable parts of copy detection patterns23 Jul 2026US 2026/0212643 A1
Most cited
By later US patents
- Methods for surveying dissemination of proprietary empirical data1,132US 5,862,260 ADigimarc Corporation · 1999
- Generation, archiving, and retrieval of digital images with evoked suggestion-set captions and natural language interface765US 5,493,677 ASystems Research & Applications Corporation · 1996
- Graphics processing system employing embedded code signals621US 5,768,426 ADigimarc Corporation · 1998
- Digital watermarks and methods for security documents503US 6,345,104 B12002
- Photographic products and methods employing embedded information480US 5,822,436 ADigimarc Corporation · 1998