B41J 2/04555
Detecting current
Official title: {detecting current}
B41J2/04555 (Detecting current) appears on 292 US grants and 333 published applications in this corpus.
Search patents in B41J- Granted patents
- 292
- Published applications
- 333
- Assignees
- 61
- Inventors
- 326
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 5 | 4 |
| 2003 | 2 | 2 |
| 2004 | 4 | 33 |
| 2005 | 4 | 10 |
| 2006 | 17 | 17 |
| 2007 | 17 | 24 |
| 2008 | 13 | 12 |
| 2009 | 25 | 36 |
| 2010 | 27 | 25 |
| 2011 | 27 | 3 |
| 2012 | 12 | 7 |
| 2013 | 4 | 6 |
| 2014 | 9 | 7 |
| 2015 | 4 | 4 |
| 2016 | 10 | 12 |
| 2017 | 10 | 8 |
| 2018 | 7 | 8 |
| 2019 | 9 | 10 |
| 2020 | 13 | 20 |
| 2021 | 15 | 29 |
| 2022 | 16 | 3 |
| 2023 | 14 | 17 |
| 2024 | 9 | 9 |
| 2025 | 7 | 11 |
| 2026 | 4 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Head unit, liquid ejection device, and control method17 Mar 2026US 12,576,635 B2Seiko Epson Corporation
- Printing device3 Mar 2026US 12,567,835 B2Brother Kogyo Kabushiki Kaisha
- Method for setting a drop shape in a printing process10 Feb 2026US 12,544,985 B2Ivoclar Vivadent AG
- Storage apparatus, liquid discharge head, and liquid discharge apparatus13 Jan 2026US 12,525,306 B2Canon Kabushiki Kaisha
- Liquid discharge apparatus26 Aug 2025US 12,397,550 B2Seiko Epson Corporation
- Liquid ejection device6 Aug 2026US 2026/0225364 A1Seiko Epson Corporation
- Liquid ejecting apparatus2 Jul 2026US 2026/0184070 A1Seiko Epson Corporation
- Liquid ejecting apparatus25 Jun 2026US 2026/0175566 A1Seiko Epson Corporation
- Control Method, Liquid Ejecting Apparatus, And Ink Jet System21 May 2026US 2026/0138361 A1Seiko Epson Corporation
- Control Method, Liquid Ejecting Apparatus, And Ink Jet System21 May 2026US 2026/0138362 A1Seiko Epson Corporation
Most cited
By later US patents
- Air-bubble detection apparatus of ink jet recording head, and method and apparatus for restoring ink jet recording head49US 5,500,657 AAlps Electric Co., Ltd. · 1996
- Ink jet apparatus with a flexible piezoelectric member and method of operating same39US 4,395,719 AExxon Research & Engineering Co. · 1983
- Multi-element fluid delivery apparatus and methods39US 6,109,717 ASarnoff Corporation · 2000
- Method for monitoring a jetting performance of a print head37US 8,721,032 B2Oce-Technologies B.V. · 2014
- Device for discharging liquid droplets32US 4,550,327 ACanon Kabushiki Kaisha · 1985