B41J 2/04598
Pre-pulse
Official title: {Pre-pulse}
B41J2/04598 (Pre-pulse) appears on 380 US grants and 303 published applications in this corpus.
Search patents in B41J- Granted patents
- 380
- Published applications
- 303
- Assignees
- 56
- Inventors
- 480
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 15 | 0 |
| 2000 | 25 | 0 |
| 2001 | 22 | 2 |
| 2002 | 22 | 17 |
| 2003 | 22 | 11 |
| 2004 | 9 | 20 |
| 2005 | 19 | 28 |
| 2006 | 24 | 9 |
| 2007 | 9 | 24 |
| 2008 | 15 | 31 |
| 2009 | 20 | 17 |
| 2010 | 22 | 15 |
| 2011 | 27 | 13 |
| 2012 | 9 | 11 |
| 2013 | 10 | 9 |
| 2014 | 7 | 5 |
| 2015 | 15 | 13 |
| 2016 | 12 | 10 |
| 2017 | 9 | 14 |
| 2018 | 9 | 6 |
| 2019 | 7 | 6 |
| 2020 | 4 | 5 |
| 2021 | 7 | 11 |
| 2022 | 7 | 10 |
| 2023 | 6 | 5 |
| 2024 | 8 | 3 |
| 2025 | 1 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Driver circuit for a printhead7 Jul 2026US 12,673,489 B2Ricoh Company, Ltd.
- Liquid discharge head15 Apr 2025US 12,275,243 B2Brother Kogyo Kabushiki Kaisha
- Drive method of liquid discharging head and liquid discharging apparatus24 Dec 2024US 12,172,435 B2Seiko Epson Corporation
- Inkjet head24 Sep 2024US 12,097,702 B2RISO Technologies Corporation
- Printing apparatus24 Sep 2024US 12,097,704 B2Canon Kabushiki Kaisha
- Drive waveform generator, liquid discharge head, liquid discharge apparatus, manufacturing apparatus for display devices, and method of manufacturing display devices8 Oct 2026US 2026/0307382 A1
- Method and system for addressing ink batch varability in inkjet printing1 Oct 2026US 2026/0296037 A1Xerox Corporation
- Liquid ejecting apparatus and method of acquiring deterioration state of liquid ejecting apparatus25 Dec 2025US 2025/0388013 A1Seiko Epson Corporation
- Liquid ejection head and liquid ejection apparatus20 Nov 2025US 2025/0353296 A1RISO Technologies Corporation
- Liquid ejection head and inkjet printer20 Nov 2025US 2025/0353297 A1RISO Technologies Corporation
Most cited
By later US patents
- Thermal ink jet printer333US 4,490,728 AHewlett-Packard Company · 1984
- Thermal inkjet printhead temperature control136US 4,791,435 AHewlett-Packard Company · 1988
- Image forming apparatus with means for correcting image density unevenness127US 5,444,468 ACanon Kabushiki Kaisha · 1995
- Method and apparatus for correcting printhead, printhead corrected by this apparatus, and printing apparatus using this printhead111US 6,042,213 ACanon Kabushiki Kaisha · 2000
- Method and apparatus for correcting print density by printhead, printhead corrected by this apparatus, and printing apparatus using this printhead100US 6,094,280 ACanon Kabushiki Kaisha · 2000