H04N 1/32283
Hashing
Official title: {Hashing}
H04N1/32283 (Hashing) appears on 85 US grants and 96 published applications in this corpus.
Search patents in H04N- Granted patents
- 85
- Published applications
- 96
- Assignees
- 49
- Inventors
- 134
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 6 |
| 2003 | 3 | 4 |
| 2004 | 6 | 7 |
| 2005 | 1 | 7 |
| 2006 | 4 | 3 |
| 2007 | 4 | 8 |
| 2008 | 3 | 3 |
| 2009 | 7 | 5 |
| 2010 | 2 | 4 |
| 2011 | 0 | 2 |
| 2012 | 9 | 1 |
| 2013 | 5 | 2 |
| 2014 | 3 | 0 |
| 2015 | 1 | 4 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 3 |
| 2019 | 5 | 6 |
| 2020 | 5 | 7 |
| 2021 | 4 | 3 |
| 2022 | 5 | 4 |
| 2023 | 5 | 6 |
| 2024 | 3 | 0 |
| 2025 | 3 | 3 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for building a blockchain21 Oct 2025US 12,450,603 B2BASF SE
- Methods and apparatus to identify media using hybrid hash keys27 May 2025US 12,316,811 B2The Nielsen Company (US), LLC
- Image processing circuitry and image processing method21 Jan 2025US 12,206,828 B2Sony Semiconductor Solutions Corporation
- Image forming apparatus, control method, and storage medium26 Nov 2024US 12,155,802 B2Canon Kabushiki Kaisha
- Methods for requesting and authenticating photographic image data15 Oct 2024US 12,120,255 B2TruePic Inc.
- Information processing apparatus, method, and program30 Jul 2026US 2026/0220308 A1Le-Techs Inc.
- Image processing device and method9 Jul 2026US 2026/0195374 A1Sony Group Corporation
- Method for building a blockchain15 Jan 2026US 2026/0017653 A1BASF SE
- Trusted media device and process for authentication of digital media23 Oct 2025US 2025/0330546 A1Atom Technologies LLC
- Devices and methods for detection of currentness of data21 Aug 2025US 2025/0267007 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Methods and systems for encoding and protecting data using digital signature and watermarking techniques486US 6,785,815 B1Intertrust Technologies Corporation · 2004
- Fragile watermarks for detecting tampering in images339US 6,064,764 ASeiko Epson Corporation · 2000
- Authenticating objects using embedded data199US 6,788,800 B1Digimarc Corporation · 2004
- Digital authentication with digital and analog documents191US 6,487,301 B1MediaSec Technologies GmbH · 2002
- Authentication watermarks for printed objects and related applications175US 6,823,075 B2Digimarc Corporation · 2004