H04N 9/00
Details of colour television systems
H04N9/00 (Details of colour television systems) appears on 34,816 US grants and 32,901 published applications in this corpus.
Search patents in H04N- Granted patents
- 34,816
- Published applications
- 32,901
- Assignees
- 4,749
- Inventors
- 41,009
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 129 | 0 |
| 1977 | 133 | 0 |
| 1978 | 102 | 0 |
| 1979 | 81 | 0 |
| 1980 | 145 | 0 |
| 1981 | 156 | 0 |
| 1982 | 138 | 0 |
| 1983 | 144 | 0 |
| 1984 | 164 | 0 |
| 1985 | 211 | 0 |
| 1986 | 204 | 0 |
| 1987 | 326 | 0 |
| 1988 | 258 | 0 |
| 1989 | 281 | 0 |
| 1990 | 233 | 0 |
| 1991 | 318 | 0 |
| 1992 | 366 | 0 |
| 1993 | 351 | 0 |
| 1994 | 441 | 0 |
| 1995 | 435 | 0 |
| 1996 | 514 | 0 |
| 1997 | 485 | 0 |
| 1998 | 690 | 0 |
| 1999 | 605 | 0 |
| 2000 | 618 | 0 |
| 2001 | 679 | 352 |
| 2002 | 726 | 1138 |
| 2003 | 730 | 1139 |
| 2004 | 763 | 1422 |
| 2005 | 702 | 1835 |
| 2006 | 1044 | 2005 |
| 2007 | 982 | 1812 |
| 2008 | 1029 | 1733 |
| 2009 | 987 | 1703 |
| 2010 | 1175 | 1500 |
| 2011 | 1331 | 1515 |
| 2012 | 1471 | 1302 |
| 2013 | 1547 | 1395 |
| 2014 | 1477 | 1418 |
| 2015 | 1393 | 1390 |
| 2016 | 1302 | 1502 |
| 2017 | 1333 | 1411 |
| 2018 | 1319 | 1371 |
| 2019 | 1425 | 1312 |
| 2020 | 1335 | 1233 |
| 2021 | 1092 | 1082 |
| 2022 | 959 | 943 |
| 2023 | 774 | 786 |
| 2024 | 725 | 668 |
| 2025 | 588 | 560 |
| 2026 | 400 | 374 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 9/12Picture reproducers14,390
- H04N 9/79Processing of colour television signals in connection with recording13,310
- H04N 9/64Circuits for processing colour signals6,373
- H04N 9/77Circuits for processing the brightness signal and the chrominance signal relative to1,113
- H04N 9/44Colour synchronisation476
- H04N 9/11Scanning of colour motion picture films265
- H04N 9/43Conversion of monochrome picture signals to colour picture signals for colour picture95
- H04N 9/03Circuitry for demodulating colour component signals modulated spatially by colour striped filters88
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Most cited
By later US patents
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