H04N 5/208
For compensating for attenuation of high frequency components
Official title: for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
H04N5/208 (For compensating for attenuation of high frequency components) appears on 558 US grants and 349 published applications in this corpus.
Search patents in H04N- Granted patents
- 558
- Published applications
- 349
- Assignees
- 212
- Inventors
- 931
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 19 | 0 |
| 1993 | 19 | 0 |
| 1994 | 13 | 0 |
| 1995 | 10 | 0 |
| 1996 | 18 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 15 | 0 |
| 2000 | 11 | 0 |
| 2001 | 13 | 4 |
| 2002 | 12 | 18 |
| 2003 | 17 | 24 |
| 2004 | 9 | 16 |
| 2005 | 16 | 32 |
| 2006 | 22 | 26 |
| 2007 | 11 | 24 |
| 2008 | 25 | 21 |
| 2009 | 12 | 20 |
| 2010 | 18 | 24 |
| 2011 | 15 | 31 |
| 2012 | 32 | 19 |
| 2013 | 25 | 8 |
| 2014 | 30 | 10 |
| 2015 | 10 | 10 |
| 2016 | 10 | 13 |
| 2017 | 15 | 13 |
| 2018 | 10 | 10 |
| 2019 | 11 | 5 |
| 2020 | 5 | 7 |
| 2021 | 6 | 6 |
| 2022 | 6 | 3 |
| 2023 | 5 | 4 |
| 2024 | 1 | 0 |
| 2025 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Outline correction processing device and outline correction processing method25 Nov 2025US 12,482,067 B2KOKUSAI DENKI Electric Inc.
- Trans-spectral feature detection for volumetric image alignment and colorization20 May 2025US 12,309,500 B2Sony Group Corporation
- Validation of infrared (IR) camera distortion accuracy11 Feb 2025US 12,225,321 B2GM Cruise Holdings LLC
- Image display method and image display device for reducing crosstalk28 Jan 2025US 12,211,181 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Method for driving semiconductor device3 Sep 2024US 12,080,254 B2Semiconductor Energy Laboratory Co.Ltd.
- Outline correction processing device and outline correction processing method21 Aug 2025US 2025/0265678 A1KOKUSAI DENKI Electric Inc.
- Validation of infrared (ir) camera distortion accuracy28 Dec 2023US 2023/0421720 A1GM Cruise Holdings LLC
- Method for driving semiconductor device31 Aug 2023US 2023/0274716 A1Semiconductor Energy Laboratory Co.Ltd.
- Validation of infrared (ir) camera distortion accuracy1 Jun 2023US 2023/0171375 A1GM Cruise Holdings LLC
- Method for driving semiconductor device5 Jan 2023US 2023/0005443 A1Semiconductor Energy Laboratory Co.Ltd.
Most cited
By later US patents
- Method and apparatus for sharpening an image by scaling elements of a frequency-domain representation199US 6,421,468 B1Seiko Epson Corporation · 2002
- Video signal processor for detecting flesh tones in am image175US 5,488,429 AMitsubishi Denki Kabushiki Kaisha · 1996
- Method and apparatus for enhancing sharpness of a sequence of images subject to continuous zoom114US 5,374,995 AEastman Kodak Company · 1994
- Image display device110US 6,400,418 B1Mitsubishi Denki Kabushiki Kaisha · 2002
- Sharpness control for a television image93US 5,121,209 ARCA Licensing Corporation · 1992