H04N 1/58
Edge or detail enhancement
Official title: Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction (H04N1/62 takes precedence)
H04N1/58 (Edge or detail enhancement) appears on 1,012 US grants and 789 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,012
- Published applications
- 789
- Assignees
- 279
- Inventors
- 1,640
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 10 | 0 |
| 1992 | 18 | 0 |
| 1993 | 16 | 0 |
| 1994 | 16 | 0 |
| 1995 | 23 | 0 |
| 1996 | 15 | 0 |
| 1997 | 8 | 0 |
| 1998 | 21 | 0 |
| 1999 | 19 | 0 |
| 2000 | 19 | 0 |
| 2001 | 26 | 4 |
| 2002 | 26 | 28 |
| 2003 | 23 | 30 |
| 2004 | 27 | 50 |
| 2005 | 27 | 46 |
| 2006 | 34 | 35 |
| 2007 | 29 | 45 |
| 2008 | 34 | 44 |
| 2009 | 30 | 49 |
| 2010 | 47 | 52 |
| 2011 | 39 | 47 |
| 2012 | 49 | 34 |
| 2013 | 60 | 21 |
| 2014 | 59 | 25 |
| 2015 | 34 | 33 |
| 2016 | 27 | 31 |
| 2017 | 34 | 38 |
| 2018 | 32 | 42 |
| 2019 | 46 | 25 |
| 2020 | 40 | 27 |
| 2021 | 21 | 21 |
| 2022 | 18 | 20 |
| 2023 | 16 | 19 |
| 2024 | 22 | 10 |
| 2025 | 12 | 7 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inkjet print planning method21 Jul 2026US 12,689,698 B2Kateeva, Inc.
- Methods and systems for processing an image10 Mar 2026US 12,572,768 B2Stryker Corporation
- Printing systems for generating optimized images23 Dec 2025US 12,502,895 B2Hewlett-Packard Development Company, L. P.
- System and method for visualization of variances observed on substrate surfaces18 Nov 2025US 12,477,071 B2Esko Software BV
- Image processing apparatus, printing apparatus, and image processing method for converting image data into dot data19 Aug 2025US 12,395,600 B2Seiko Epson Corporation
- Inkjet print planning method8 Oct 2026US 2026/0313057 A1Kateeva, Inc.
- Color patch and printing system25 Jun 2026US 2026/0181099 A1Komori Corporation
- Image forming apparatus and storage medium16 Apr 2026US 2026/0106946 A1Konica Minolta, Inc.
- Storage medium storing application program, control method, and information processing apparatus26 Mar 2026US 2026/0089286 A1Canon Kabushiki Kaisha
- Image forming apparatus and method of controlling image forming apparatus12 Feb 2026US 2026/0046369 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Interactive dynamic range adjustment system for printing digital images182US 5,012,333 AEastman Kodak Company · 1991
- Image-dependent sharpness enhancement177US 5,363,209 AXerox Corporation · 1994
- Method and apparatus for prototyping a three-dimensional object175US 6,989,115 B2Z Corporation · 2006
- Color scanning system168US 4,992,860 AMitsubishi Denki Kabushiki Kaisha · 1991
- Method and apparatus for improving the color rendition of hardcopy images from electronic cameras126US 5,189,511 AEastman Kodak Company · 1993