H04N 1/0408
Different densities of dots per unit length
Official title: {Different densities of dots per unit length}
H04N1/0408 (Different densities of dots per unit length) appears on 325 US grants and 199 published applications in this corpus.
Search patents in H04N- Granted patents
- 325
- Published applications
- 199
- Assignees
- 112
- Inventors
- 584
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 16 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 16 | 0 |
| 2000 | 20 | 0 |
| 2001 | 19 | 13 |
| 2002 | 13 | 12 |
| 2003 | 26 | 16 |
| 2004 | 11 | 25 |
| 2005 | 9 | 16 |
| 2006 | 9 | 10 |
| 2007 | 7 | 17 |
| 2008 | 13 | 18 |
| 2009 | 11 | 18 |
| 2010 | 12 | 8 |
| 2011 | 9 | 6 |
| 2012 | 15 | 4 |
| 2013 | 8 | 4 |
| 2014 | 4 | 3 |
| 2015 | 3 | 2 |
| 2016 | 7 | 9 |
| 2017 | 5 | 4 |
| 2018 | 3 | 1 |
| 2019 | 2 | 3 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 3 |
| 2023 | 5 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for improving the reproducibility of recordings20 Jan 2026US 12,531,956 B2CI Tech Sensors AG
- Profile creation device and method generating and displaying input and output device color gamuts as 3D images19 Dec 2023US 11,849,095 B2Seiko Epson Corporation
- Determining minimum scanning resolution24 Oct 2023US 11,800,036 B2Hewlett-Packard Development Company, L. P.
- Image processing apparatus and control method thereof generating quantized based on multinary color data and a threshold matrix20 Jun 2023US 11,679,599 B2Canon Kabushiki Kaisha
- Image processing apparatus, image processing method, and storage medium for correcting a measurement value using a recording element that ejects ink16 May 2023US 11,652,951 B2Canon Kabushiki Kaisha
- Image processing apparatus and image forming apparatus for converting resolution of document image26 Feb 2026US 2026/0059065 A1KYOCERA Document Solutions Inc.
- Image reading device and image forming apparatus21 Aug 2025US 2025/0267229 A1KYOCERA Document Solutions Inc.
- Device and method for improving the reproducibility of recordings11 Apr 2024US 2024/0121348 A1CI Tech Sensors AG
- Profile creation device and profile creation method3 Aug 2023US 2023/0247167 A1Seiko Epson Corporation
- Determining minimum scanning resolution22 Dec 2022US 2022/0407978 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Direction scaling method and apparatus for image scanning resolution control194US 5,047,871 AHewlett-Packard Company · 1991
- Ink jet printer having multiple level grayscale printing87US 6,189,993 B1Xerox Corporation · 2001
- Portable image input device84US 4,947,261 ASharp Kabushiki Kaisha · 1990
- Dual mode laser printer74US 4,578,689 AData Recording Systems, Inc. · 1986
- Film scanner70US 5,872,591 APakon, Inc. · 1999