H04N 1/4092
Edge or detail enhancement
Official title: {Edge or detail enhancement}
H04N1/4092 (Edge or detail enhancement) appears on 1,010 US grants and 804 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,010
- Published applications
- 804
- Assignees
- 253
- Inventors
- 1,485
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 13 | 0 |
| 1990 | 5 | 0 |
| 1991 | 13 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 17 | 0 |
| 1997 | 17 | 0 |
| 1998 | 23 | 0 |
| 1999 | 23 | 0 |
| 2000 | 20 | 0 |
| 2001 | 13 | 6 |
| 2002 | 9 | 33 |
| 2003 | 17 | 36 |
| 2004 | 21 | 30 |
| 2005 | 11 | 48 |
| 2006 | 47 | 44 |
| 2007 | 43 | 40 |
| 2008 | 36 | 47 |
| 2009 | 36 | 35 |
| 2010 | 38 | 33 |
| 2011 | 36 | 46 |
| 2012 | 34 | 44 |
| 2013 | 58 | 34 |
| 2014 | 65 | 35 |
| 2015 | 35 | 43 |
| 2016 | 49 | 33 |
| 2017 | 34 | 43 |
| 2018 | 31 | 55 |
| 2019 | 63 | 23 |
| 2020 | 40 | 30 |
| 2021 | 17 | 15 |
| 2022 | 17 | 18 |
| 2023 | 15 | 10 |
| 2024 | 9 | 8 |
| 2025 | 4 | 8 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image processing device configured to perform resolution conversion, control method for the same, and storage medium21 Apr 2026US 12,608,756 B2Canon Kabushiki Kaisha
- Image processing apparatus including line interleaving controller and operating method thereof10 Feb 2026US 12,549,862 B2Samsung Electronics Co., Ltd.
- Gradient printing a three-dimensional structural component14 Oct 2025US 12,441,048 B2NIKE, Inc.
- Printing apparatus, method of controlling printing apparatus, and storage medium20 May 2025US 12,307,308 B2Canon Kabushiki Kaisha
- Information processing apparatus and non-transitory computer readable medium to correct image having multiple objects with prioritization4 Mar 2025US 12,243,191 B2FUJIFILM Business Innovation Corp.
- Method for Making a Printing Plate13 Aug 2026US 2026/0233509 A1Eco3 BV
- Distance measuring method23 Jul 2026US 2026/0210698 A1Mitsubishi Electric Corporation
- Method of generating dot data and printing apparatus2 Apr 2026US 2026/0095538 A1Seiko Epson Corporation
- Image reading apparatus including two irradiation units that irradiate with light26 Mar 2026US 2026/0089285 A1Canon Kabushiki Kaisha
- Image processing apparatus and image forming apparatus for converting resolution of document image26 Feb 2026US 2026/0059065 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Method and apparatus for processing a radiation image336US 4,315,318 AFuji Photo Film Co., Ltd. · 1982
- Method and apparatus for extending operating range of bar code scanner229US 6,547,139 B1Welch Allyn Data Collection, Inc. · 2003
- Apparatus and method for reducing imaging errors in imaging systems having an extended depth of field228US 6,097,856 AWelch Allyn, Inc. · 2000
- Digital camera with integrated accelerometers206US 6,747,690 B2Phase One A/S · 2004
- Method and apparatus for sharpening an image by scaling elements of a frequency-domain representation199US 6,421,468 B1Seiko Epson Corporation · 2002