B41J 2/04596
Non-ejecting pulses
Official title: {Non-ejecting pulses}
B41J2/04596 (Non-ejecting pulses) appears on 1,189 US grants and 1,315 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,189
- Published applications
- 1,315
- Assignees
- 100
- Inventors
- 961
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 21 | 5 |
| 2002 | 28 | 21 |
| 2003 | 24 | 20 |
| 2004 | 33 | 81 |
| 2005 | 43 | 112 |
| 2006 | 73 | 56 |
| 2007 | 64 | 66 |
| 2008 | 64 | 82 |
| 2009 | 55 | 67 |
| 2010 | 58 | 57 |
| 2011 | 67 | 34 |
| 2012 | 36 | 26 |
| 2013 | 26 | 27 |
| 2014 | 35 | 35 |
| 2015 | 50 | 61 |
| 2016 | 51 | 59 |
| 2017 | 54 | 54 |
| 2018 | 48 | 47 |
| 2019 | 41 | 53 |
| 2020 | 40 | 48 |
| 2021 | 41 | 54 |
| 2022 | 43 | 48 |
| 2023 | 25 | 48 |
| 2024 | 48 | 54 |
| 2025 | 46 | 40 |
| 2026 | 26 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Head unit and liquid ejection apparatus1 Sep 2026US 12,722,372 B2Seiko Epson Corporation
- Liquid ejection apparatus and liquid ejection method11 Aug 2026US 12,703,180 B2Seiko Epson Corporation
- Liquid ejection apparatus and print head11 Aug 2026US 12,703,181 B2Seiko Epson Corporation
- Liquid droplet forming device21 Jul 2026US 12,686,207 B2Ricoh Company, Ltd.
- Drive waveform generator, liquid discharge head, and liquid discharge apparatus8 Oct 2026US 2026/0307386 A1
- Liquid ejection head and liquid ejection device1 Oct 2026US 2026/0296005 A1RISO Technologies Corporation
- Liquid ejection head and liquid ejection device1 Oct 2026US 2026/0296006 A1RISO Technologies Corporation
- Method and system for addressing ink batch varability in inkjet printing1 Oct 2026US 2026/0296037 A1Xerox Corporation
- Liquid discharge apparatus, image forming apparatus, liquid discharge head, and operation method24 Sep 2026US 2026/0285033 A1
Most cited
By later US patents
- Ink jet printer and ink jet printing method175US 6,328,395 B1Seiko Epson Corporation · 2001
- Method of interconnecting a printhead with an ink supply manifold and a combined structure resulting therefrom145US 6,312,114 B1Silverbrook Research Pty Ltd · 2001
- Thermal inkjet printhead temperature control136US 4,791,435 AHewlett-Packard Company · 1988
- Ink supply system for a portable printer92US 6,824,257 B2Silverbrook Research Pty Ltd · 2004
- Piezo bending transducer drop-on demand print head and method of actuating it77US 6,460,979 B1Tally Computerdrucker GmbH · 2002