H04N 1/4177
Encoding document change data
Official title: {encoding document change data, e.g. form drop out data}
H04N1/4177 (Encoding document change data) appears on 52 US grants and 41 published applications in this corpus.
Search patents in H04N- Granted patents
- 52
- Published applications
- 41
- Assignees
- 37
- Inventors
- 122
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 3 | 1 |
| 2013 | 2 | 2 |
| 2014 | 3 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 3 |
| 2019 | 2 | 5 |
| 2020 | 5 | 1 |
| 2021 | 2 | 3 |
| 2022 | 3 | 3 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image processing apparatus, image processing method, and storage medium3 Oct 2023US 11,778,126 B2Canon Kabushiki Kaisha
- 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.
- Information processing apparatus and non-transitory computer readable medium storing program for color conversion26 Jul 2022US 11,399,119 B2FUJIFILM Business Innovation Corp.
- Image processing device, control method and control program for more accurately removing a background pattern from an image7 Sep 2021US 11,115,560 B2Pfu Limited
- Image processing apparatus, image processing method, and storage medium18 Aug 2022US 2022/0263978 A1Canon Kabushiki Kaisha
- Document processing device, system, document processing method, and computer program19 May 2022US 2022/0159144 A1Konica Minolta, Inc.
- Information processing apparatus, information processing method, and recording medium27 Jan 2022US 2022/0030138 A1Ricoh Company, Ltd.
- Image processing system for providing attribute information, image processing method and storage medium7 Oct 2021US 2021/0314449 A1Canon Kabushiki Kaisha
- Information processing apparatus and non-transitory computer readable medium9 Sep 2021US 2021/0281696 A1FUJIFILM Business Innovation Corp.
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
- Method and apparatus for wireless image transmission to a projector50US 7,180,475 B2InFocus Corporation · 2007
- Method of processing documents49US 4,542,378 AFuji Xerox Co., Ltd. · 1985