H04N 1/3217
Using wavelet transforms
Official title: {using wavelet transforms}
H04N1/3217 (Using wavelet transforms) appears on 87 US grants and 73 published applications in this corpus.
Search patents in H04N- Granted patents
- 87
- Published applications
- 73
- Assignees
- 36
- Inventors
- 120
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 7 |
| 2003 | 6 | 6 |
| 2004 | 9 | 14 |
| 2005 | 2 | 13 |
| 2006 | 11 | 9 |
| 2007 | 8 | 5 |
| 2008 | 10 | 5 |
| 2009 | 9 | 4 |
| 2010 | 8 | 1 |
| 2011 | 1 | 3 |
| 2012 | 5 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image processing method and apparatus9 Sep 2025US 12,412,243 B2Huawei Technologies Co., Ltd.
- Processing display data for transmission6 Jun 2023US 11,670,008 B2Displaylink (UK) Limited
- Automated wavelet-based data compression systems and methods28 Apr 2020US 10,638,013 B2Chevron U.S.A.Inc.
- Providing services to devices using a ZigBee network3 Jun 2014US 8,745,398 B2Verizon Patent and Licensing Inc.
- Watermark information embedding device, watermark information processing system, watermark information embedding method, and program30 Jul 2013US 8,498,443 B2A T Communications Co., Ltd.
- Image processing method and apparatus8 Jun 2023US 2023/0177646 A1Huawei Technologies Co., Ltd.
- Processing display data21 Jan 2021US 2021/0019915 A1Displaylink (UK) Limited
- Automated wavelet-based data compression systems and methods14 Dec 2017US 2017/0359478 A1Chevron U.S.A.Inc.
- Watermark information embedding device, watermark information processing system, watermark information embedding method, and program24 May 2012US 2012/0128199 A1A T Communications Co., Ltd.
- Providing services to devices using a zigbee network7 Jul 2011US 2011/0167274 A1Verizon Patent and Licensing Inc.
Most cited
By later US patents
- Secure spread spectrum watermarking for multimedia data664US 5,930,369 ANEC Research Institute, Inc. · 1999
- Method and apparatus for embedding data, including watermarks, in human perceptible sounds368US 6,061,793 ARegents of the University of Minnesota · 2000
- Wavelet domain watermarks332US 6,385,329 B1Digimarc Corporation · 2002
- Method and apparatus for embedding data, including watermarks, in human perceptible images265US 6,031,914 ARegents of the University of Minnesota · 2000
- Digital watermarking to resolve multiple claims of ownership243US 6,272,634 B1Regents of the University of Minnesota · 2001