H04N
Pictorial communication
Official title: Pictorial communication, e.g. television
H04N (Pictorial communication) appears on 378,325 US grants and 408,716 published applications in this corpus.
Search patents in H04N- Granted patents
- 378,325
- Published applications
- 408,716
- Assignees
- 35,179
- Inventors
- 338,695
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 667 | 0 |
| 1977 | 603 | 0 |
| 1978 | 565 | 0 |
| 1979 | 460 | 0 |
| 1980 | 662 | 0 |
| 1981 | 760 | 0 |
| 1982 | 742 | 0 |
| 1983 | 780 | 0 |
| 1984 | 850 | 0 |
| 1985 | 1184 | 0 |
| 1986 | 1308 | 0 |
| 1987 | 1908 | 0 |
| 1988 | 1613 | 0 |
| 1989 | 2047 | 0 |
| 1990 | 1955 | 0 |
| 1991 | 2191 | 0 |
| 1992 | 2376 | 0 |
| 1993 | 2534 | 0 |
| 1994 | 2860 | 0 |
| 1995 | 2863 | 0 |
| 1996 | 3539 | 0 |
| 1997 | 3480 | 0 |
| 1998 | 5174 | 0 |
| 1999 | 4893 | 0 |
| 2000 | 4667 | 0 |
| 2001 | 4799 | 2662 |
| 2002 | 4765 | 8663 |
| 2003 | 4915 | 9182 |
| 2004 | 5385 | 10553 |
| 2005 | 4886 | 12932 |
| 2006 | 7159 | 13713 |
| 2007 | 6376 | 13937 |
| 2008 | 7148 | 14514 |
| 2009 | 7950 | 15338 |
| 2010 | 10095 | 15122 |
| 2011 | 10598 | 15007 |
| 2012 | 13653 | 15883 |
| 2013 | 14873 | 17926 |
| 2014 | 17109 | 19147 |
| 2015 | 17141 | 19760 |
| 2016 | 17216 | 19426 |
| 2017 | 18151 | 19885 |
| 2018 | 17550 | 19330 |
| 2019 | 20022 | 19585 |
| 2020 | 20294 | 20382 |
| 2021 | 18112 | 20231 |
| 2022 | 17741 | 20092 |
| 2023 | 17083 | 18952 |
| 2024 | 17453 | 18643 |
| 2025 | 16467 | 16191 |
| 2026 | 10703 | 11660 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H04N 21/00Selective content distribution87,525
- H04N 23/00Cameras or camera modules comprising electronic image sensors82,534
- H04N 1/00Scanning, transmission or reproduction of documents or the like74,229
- H04N 5/00Details of television systems61,505
- H04N 7/00Television systems57,984
- H04N 19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals54,600
- H04N 9/00Details of colour television systems34,816
- H04N 25/00Circuitry of solid-state image sensors [ssis]31,003
All 16 main groupsShow fewer
- H04N 2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or theIndexing code29,141
- H04N 13/00Stereoscopic video systems23,675
- H04N 17/00Diagnosis, testing or measuring for television systems or their details6,107
- H04N 2101/00Still video camerasIndexing code4,024
- H04N 3/00Scanning details of television systems2,581
- H04N 2213/00Details of stereoscopic systemsIndexing code1,887
- H04N 11/00Colour television systems1,496
- H04N 2209/00Details of colour television systemsIndexing code1,273
Recent patents
- User feedback system and method6 Oct 2026US 12,751,499 B2Nicoventures Trading Limited
- Eye tracking color vision tests6 Oct 2026US 12,751,612 B2Verily Health Inc.
- Ophthalmic observation apparatus6 Oct 2026US 12,751,618 B2Topcon Corporation
- System, method, and apparatus for tracking and labeling surgery tools6 Oct 2026US 12,751,777 B1Digital Surgery Systems, Inc.
- Replay of game play between a video frame where a snapshot was captured and a selected video frame to begin a new game play of a video game6 Oct 2026US 12,752,200 B2Sony Interactive Entertainment Inc.
- Cultivating methods and apparatuses8 Oct 2026US 2026/0305597 A1
- Head-mounted display testing system8 Oct 2026US 2026/0305935 A1Heru Inc.
- Display device, electronic device including the same, and driving method thereof8 Oct 2026US 2026/0305960 A1Samsung Display Co., Ltd.
- Optical fiber waveguide in an endoscopic system for hyperspectral, fluorescence, and laser mapping imaging8 Oct 2026US 2026/0306023 A1Cilag GmbH International
- Gameplay video system and method8 Oct 2026US 2026/0306942 A1Sony Interactive Entertainment Inc.
Most cited
By later US patents
- Systems and methods for secure transaction management and electronic rights protection3,563US 5,892,900 AIntertrust Technologies Corporation · 1999
- Intelligent electronic appliance system and method2,708US 6,850,252 B12005
- Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling information2,572US 6,177,931 B1Index Systems, Inc. · 2001
- Alignment of master and slave in a minimally invasive surgical apparatus2,565US 6,364,888 B1Intuitive Surgical, Inc. · 2002
- System for generation of user profiles for a system for customized electronic identification of desirable objects2,365US 5,754,939 A1998