H04N 1/4486
Using digital data encryption
Official title: {using digital data encryption}
H04N1/4486 (Using digital data encryption) appears on 348 US grants and 376 published applications in this corpus.
Search patents in H04N- Granted patents
- 348
- Published applications
- 376
- Assignees
- 168
- Inventors
- 671
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 3 |
| 2002 | 7 | 16 |
| 2003 | 4 | 22 |
| 2004 | 4 | 13 |
| 2005 | 8 | 15 |
| 2006 | 12 | 14 |
| 2007 | 5 | 21 |
| 2008 | 9 | 24 |
| 2009 | 9 | 22 |
| 2010 | 11 | 20 |
| 2011 | 13 | 12 |
| 2012 | 16 | 15 |
| 2013 | 17 | 14 |
| 2014 | 19 | 12 |
| 2015 | 13 | 21 |
| 2016 | 12 | 15 |
| 2017 | 10 | 11 |
| 2018 | 13 | 19 |
| 2019 | 15 | 12 |
| 2020 | 19 | 17 |
| 2021 | 15 | 14 |
| 2022 | 15 | 17 |
| 2023 | 11 | 7 |
| 2024 | 11 | 5 |
| 2025 | 5 | 7 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Imaging device with image encryption1 Sep 2026US 12,726,732 B2SK hynix Inc.
- Image capturing apparatus, image capturing system, and control method23 Jun 2026US 12,665,975 B2Canon Kabushiki Kaisha
- 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
- Method for operating a scanning system6 Jan 2026US 12,519,899 B2Genius Bytes Software Solutions GmbH
- Image forming apparatus to acquire group information of user, specifying settings for image processing and record history information, image forming method, and non-transitory computer readable medium28 Oct 2025US 12,457,299 B2FUJIFILM Business Innovation Corp.
- Communication device and email sending method capable of suppressing leakage of destination set to bcc to email recipient1 Oct 2026US 2026/0303580 A1KYOCERA Document Solutions Inc.
- Image processing apparatus, information processing terminal, and information processing method2 Jul 2026US 2026/0189667 A1Canon Kabushiki Kaisha
- System and method for partially encrypting image files based on an image policy23 Apr 2026US 2026/0111570 A1Toyota Jidosha Kabushiki Kaisha
- Systems and methods for creating enhanced documents for perfect automated parsing26 Mar 2026US 2026/0087062 A1Bold Limited
- Systems and methods for creating enhanced documents for perfect automated parsing19 Mar 2026US 2026/0080001 A1Bold Limited
Most cited
By later US patents
- Method and apparatus for embedding authentication information within digital data738US 5,646,997 A1997
- Secure payment method using facsimile477US 5,590,196 ACONNOTECH Experts-conseils, inc. · 1996
- Apparatus and method for preventing disclosure through user-authentication at a printing node401US 5,633,932 AIntel Corporation · 1997
- Method and system for accessing electronic resources via machine-readable data on intelligent documents359US 6,434,561 B1NeoMedia Technologies, Inc. · 2002
- Method and apparatus for in-camera image marking and authentication291US 5,862,218 AFotoNation Limited · 1999