H04N 1/32208
Involving changing the magnitude of selected pixels
Official title: {involving changing the magnitude of selected pixels, e.g. overlay of information or super-imposition (H04N1/32219, H04N1/32224 take precedence)}
H04N1/32208 (Involving changing the magnitude of selected pixels) appears on 622 US grants and 528 published applications in this corpus.
Search patents in H04N- Granted patents
- 622
- Published applications
- 528
- Assignees
- 131
- Inventors
- 568
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 12 | 0 |
| 2000 | 17 | 0 |
| 2001 | 25 | 17 |
| 2002 | 27 | 59 |
| 2003 | 45 | 49 |
| 2004 | 44 | 34 |
| 2005 | 20 | 39 |
| 2006 | 43 | 37 |
| 2007 | 30 | 39 |
| 2008 | 41 | 50 |
| 2009 | 34 | 51 |
| 2010 | 42 | 47 |
| 2011 | 47 | 29 |
| 2012 | 50 | 12 |
| 2013 | 31 | 10 |
| 2014 | 17 | 8 |
| 2015 | 16 | 7 |
| 2016 | 7 | 6 |
| 2017 | 8 | 7 |
| 2018 | 6 | 1 |
| 2019 | 0 | 1 |
| 2020 | 3 | 8 |
| 2021 | 5 | 4 |
| 2022 | 5 | 4 |
| 2023 | 4 | 5 |
| 2024 | 5 | 1 |
| 2025 | 6 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-leak digital document marking system and method using distributed ledger25 Aug 2026US 12,718,311 B1Equity Shift, Inc.
- Anti-leak digital document marking system and method using distributed ledger4 Nov 2025US 12,462,321 B1Equity Shift, Inc.
- Method for building a blockchain21 Oct 2025US 12,450,603 B2BASF SE
- Image processing apparatus and image processing method that embeds information using a pattern with directivity and a pattern without directivity3 Jun 2025US 12,323,564 B2Canon Kabushiki Kaisha
- Anti-leak digital document marking using distributed ledger to generate a code uniquely corresponding to a unique value for each digital document20 May 2025US 12,307,546 B1Equity Shift, Inc.
- Method of generating a secured colour image, and method of detecting tampering6 Aug 2026US 2026/0228850 A1Sicpa Holding SA
- Method for building a blockchain15 Jan 2026US 2026/0017653 A1BASF SE
- Image processing apparatus, image processing method, and storage medium14 Aug 2025US 2025/0260776 A1Canon Kabushiki Kaisha
- Signatures and labels in a blockchain derived from digital images13 Jun 2024US 2024/0193394 A1BASF SE
- Image processing apparatus and image processing method14 Sep 2023US 2023/0291857 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Methods for surveying dissemination of proprietary empirical data1,132US 5,862,260 ADigimarc Corporation · 1999
- Computer system linked by using information in data objects1,131US 6,122,403 ADigimarc Corporation · 2000
- Linking of computers based on optical sensing of digital data942US 6,311,214 B1Digimarc Corporation · 2001
- Watermark embedder and reader942US 6,614,914 B1Digimarc Corporation · 2003
- Connected audio and other media objects859US 6,505,160 B1Digimarc Corporation · 2003