B41J 2/2146
For line print heads
Official title: {for line print heads}
B41J2/2146 (For line print heads) appears on 959 US grants and 1,148 published applications in this corpus.
Search patents in B41J- Granted patents
- 959
- Published applications
- 1,148
- Assignees
- 134
- Inventors
- 1,463
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 0 | 1 |
| 2005 | 2 | 11 |
| 2006 | 1 | 15 |
| 2007 | 5 | 13 |
| 2008 | 12 | 15 |
| 2009 | 15 | 25 |
| 2010 | 9 | 21 |
| 2011 | 14 | 58 |
| 2012 | 21 | 56 |
| 2013 | 56 | 44 |
| 2014 | 79 | 68 |
| 2015 | 86 | 73 |
| 2016 | 78 | 74 |
| 2017 | 72 | 99 |
| 2018 | 67 | 93 |
| 2019 | 91 | 72 |
| 2020 | 74 | 75 |
| 2021 | 57 | 64 |
| 2022 | 42 | 56 |
| 2023 | 60 | 70 |
| 2024 | 50 | 52 |
| 2025 | 38 | 59 |
| 2026 | 23 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for aligning printing heads of a printing device and printing device22 Sep 2026US 12,741,471 B2Bobst Mex SA
- Image forming apparatus1 Sep 2026US 12,722,396 B2KYOCERA Document Solutions Inc.
- Printing apparatus, printing method, and non-transitory and computer-readable medium storing computer program25 Aug 2026US 12,718,042 B2Brother Kogyo Kabushiki Kaisha
- Printing apparatus, printing method, and storage medium11 Aug 2026US 12,703,193 B2Canon Kabushiki Kaisha
- Inkjet ink and inkjet recording apparatus7 Jul 2026US 12,674,067 B2KYOCERA Document Solutions Inc.
- Printing system and printing method1 Oct 2026US 2026/0296048 A1Seiko Epson Corporation
- Recording apparatus, method for recording apparatus, and non-transitory computer-readable storage medium27 Aug 2026US 2026/0254915 A1Canon Kabushiki Kaisha
- Liquid discharge head, liquid discharge unit, and liquid discharge apparatus20 Aug 2026US 2026/0241690 A1
- Recording apparatus20 Aug 2026US 2026/0241726 A1Canon Kabushiki Kaisha
- Single pass printing for spherical balls6 Aug 2026US 2026/0225380 A1Taylor Made Golf Company, Inc.
Most cited
By later US patents
- Redundant full width array thermal ink jet printing for improved reliability88US 5,587,730 AXerox Corporation · 1996
- Ink-jet printing apparatus and method for test printing using ink and an ink improving liquid47US 5,898,443 ACanon Kabushiki Kaisha · 1999
- Recording apparatus and method for correction of discharge failure and density unevenness45US 5,798,773 ACanon Kabushiki Kaisha · 1998
- Multi-pass calibration in fixed printhead array printers33US 8,322,811 B2Ricoh Production Print Solutions LLC · 2012
- Ink jet printing apparatus and a judgement method of an ink ejection state of an ink jet head32US 6,547,367 B1Canon Kabushiki Kaisha · 2003