H04N 1/4015
Of the reproducing head
Official title: {of the reproducing head}
H04N1/4015 (Of the reproducing head) appears on 389 US grants and 273 published applications in this corpus.
Search patents in H04N- Granted patents
- 389
- Published applications
- 273
- Assignees
- 96
- Inventors
- 663
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 8 | 0 |
| 2000 | 23 | 0 |
| 2001 | 11 | 2 |
| 2002 | 14 | 10 |
| 2003 | 7 | 7 |
| 2004 | 8 | 15 |
| 2005 | 5 | 14 |
| 2006 | 13 | 32 |
| 2007 | 12 | 20 |
| 2008 | 11 | 10 |
| 2009 | 14 | 15 |
| 2010 | 16 | 10 |
| 2011 | 8 | 17 |
| 2012 | 13 | 9 |
| 2013 | 17 | 8 |
| 2014 | 8 | 7 |
| 2015 | 19 | 3 |
| 2016 | 4 | 4 |
| 2017 | 6 | 9 |
| 2018 | 4 | 4 |
| 2019 | 7 | 14 |
| 2020 | 13 | 13 |
| 2021 | 12 | 16 |
| 2022 | 10 | 8 |
| 2023 | 22 | 15 |
| 2024 | 11 | 5 |
| 2025 | 4 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image processing apparatus, image processing method, non-transitory computer-readable storage medium, and image forming apparatus29 Jul 2025US 12,370,806 B2Canon Kabushiki Kaisha
- Driving device and printing apparatus having a connection circuit switching connection combinations of load blocks and driving circuits6 May 2025US 12,292,699 B2Canon Kabushiki Kaisha
- Image forming apparatus, control method thereof, and storage medium for correcting variations in light amount from light source1 Apr 2025US 12,265,339 B2Canon Kabushiki Kaisha
- Automatic tuning compensation mechanism4 Mar 2025US 12,240,252 B2Ricoh Company, Ltd.
- Printing device, and non-transitory computer-readable recording medium therefor3 Dec 2024US 12,160,553 B2Brother Kogyo Kabushiki Kaisha
- Streak-shaped defect classification method and streak-shaped defect classification system29 Jan 2026US 2026/0030868 A1SCREEN Holdings Co., Ltd.
- Image processing apparatus, image processing method, non-transitory computer-readable storage medium, and image forming apparatus30 Oct 2025US 2025/0332844 A1Canon Kabushiki Kaisha
- Method for detecting malfunctional nozzles in a printing head and printing device9 Oct 2025US 2025/0313026 A1Bobst Mex SA
- Image forming apparatus7 Aug 2025US 2025/0249689 A1KYOCERA Document Solutions Inc.
- Driving device and printing apparatus17 Jul 2025US 2025/0231503 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Control of a light emitting diode array192US 4,455,562 APitney Bowes Inc. · 1984
- Non-impact copier/printer system communicating rosterized, printer independant data124US 5,699,102 AEastman Kodak Company · 1997
- Ink jet printing apparatus performing printing with correction of image data at boundary portion of image119US 6,033,137 ACanon Kabushiki Kaisha · 2000
- Apparatus for producing unevenness correction data65US 5,353,052 ACanon Kabushiki Kaisha · 1994
- Recording apparatus for performing uniform density image recording utilizing plural types of recording heads61US 5,276,459 ACanon Kabushiki Kaisha · 1994