H04N 1/417
Using predictive or differential encoding
Official title: using predictive or differential encoding
H04N1/417 (Using predictive or differential encoding) appears on 312 US grants and 103 published applications in this corpus.
Search patents in H04N- Granted patents
- 312
- Published applications
- 103
- Assignees
- 115
- Inventors
- 523
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 13 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 16 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 8 | 4 |
| 2002 | 2 | 8 |
| 2003 | 2 | 2 |
| 2004 | 7 | 3 |
| 2005 | 3 | 6 |
| 2006 | 7 | 4 |
| 2007 | 6 | 2 |
| 2008 | 3 | 2 |
| 2009 | 2 | 4 |
| 2010 | 3 | 4 |
| 2011 | 2 | 2 |
| 2012 | 4 | 8 |
| 2013 | 4 | 2 |
| 2014 | 7 | 5 |
| 2015 | 5 | 3 |
| 2016 | 2 | 3 |
| 2017 | 4 | 9 |
| 2018 | 6 | 8 |
| 2019 | 7 | 6 |
| 2020 | 8 | 4 |
| 2021 | 5 | 5 |
| 2022 | 5 | 6 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Encoding apparatus, encoding method, and storage medium17 Jun 2025US 12,335,450 B2Canon Kabushiki Kaisha
- Image processing apparatus, image processing method, and storage medium3 Oct 2023US 11,778,126 B2Canon Kabushiki Kaisha
- Image sharing method and mobile device4 Jul 2023US 11,695,726 B2Huawei Technologies Co., Ltd.
- Image processing system for providing attribute information, image processing method and storage medium13 Dec 2022US 11,528,372 B2Canon Kabushiki Kaisha
- Information processing apparatus, method and non-transitory recording medium storing program codes for replacing color of character pixel based on selection of first and second processing methods13 Dec 2022US 11,528,387 B2Ricoh Company, Ltd.
- Generating and presenting a self-affine matrix barcode23 Oct 2025US 2025/0328980 A1Google Inc.
- Encoding a binary image25 Sep 2025US 2025/0301161 A1Microsoft Technology Licensing, LLC
- High speed data compression methods and systems13 Apr 2023US 2023/0114644 A1Digimarc Corporation
- Image processing apparatus, image processing method, and storage medium18 Aug 2022US 2022/0263978 A1Canon Kabushiki Kaisha
- Encoding apparatus, encoding method, and storage medium4 Aug 2022US 2022/0247886 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for separating static and dynamic portions of document images244US 5,631,984 ANCR Corporation · 1997
- Method and apparatus for storing and merging multiple optically scanned images113US 5,103,490 ANational Computer Systems, Inc. · 1992
- Interactive graphics transmission system employing an adaptive stylus for reduced bandwidth111US 4,430,526 ABell Telephone Laboratories, Incorporated · 1984
- Graded facsimile image signal coding system109US 4,652,935 AKokusai Denshin Denwa Kabushiki Kaisha · 1987
- Information transmission method and apparatus92US 5,751,743 ACanon Kabushiki Kaisha · 1998