H04N 1/4115
Involving the recognition of specific patterns
Official title: {involving the recognition of specific patterns, e.g. by symbol matching}
H04N1/4115 (Involving the recognition of specific patterns) appears on 91 US grants and 45 published applications in this corpus.
Search patents in H04N- Granted patents
- 91
- Published applications
- 45
- Assignees
- 58
- Inventors
- 136
- Latest grant
- 26 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 4 |
| 2003 | 4 | 4 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 5 |
| 2008 | 3 | 4 |
| 2009 | 1 | 0 |
| 2010 | 3 | 1 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2014 | 4 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 3 |
| 2017 | 4 | 4 |
| 2018 | 4 | 2 |
| 2019 | 2 | 1 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Learning model generating device, and type identification system for generating learning model and using generated learning model to infer type of image defect26 Apr 2022US 11,315,233 B2KYOCERA Document Solutions Inc.
- Methods and systems for enabling object attribute driven super resolution encoding17 Nov 2020US 10,839,562 B2Xerox Corporation
- Customized grayscale conversion in color form processing for text recognition in OCR1 Sep 2020US 10,764,471 B1Konica Minolta Business Solutions U.S.A., Inc.
- Image forming apparatus determining coinciding image data bands7 Jan 2020US 10,530,964 B2Konica Minolta, Inc.
- Image processing method that obtains special data from an external apparatus based on information multiplexed in image data and apparatus therefor5 Nov 2019US 10,469,701 B2Canon Kabushiki Kaisha
- Learning model generating device, type identification system, and learning model generation method for generating learning model and using generated learning model to infer type of image defect4 Jun 2020US 2020/0175672 A1KYOCERA Document Solutions Inc.
- Methods and systems for enabling object attribute driven super resolution encoding10 Oct 2019US 2019/0311498 A1Xerox Corporation
- Image forming apparatus13 Sep 2018US 2018/0262647 A1Konica Minolta, Inc.
- Image processing method that obtains special data from an external apparatus based on information multiplexed in image data and apparatus therefor2 Aug 2018US 2018/0220032 A1Canon Kabushiki Kaisha
- Image compressing device, image forming apparatus, image compressing method, and recording medium21 Sep 2017US 2017/0272613 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Method and apparatus for separating static and dynamic portions of document images244US 5,631,984 ANCR Corporation · 1997
- Text-to-speech converter of a facsimile graphic image181US 4,996,707 ABerkeley Speech Technologies, Inc. · 1991
- Dual mode facsimile coding system and method111US 4,410,916 ACompression Labs, Inc. · 1983
- Method for identification and compression of facsimile symbols in text processing systems111US 4,499,499 AInternational Business Machines Corporation · 1985
- Apparatus and method for compression of facsimile information by pattern matching100US 4,606,069 AAT&T Bell Laboratories · 1986