B41J 2/06
By electric or magnetic field
Official title: by electric or magnetic field
B41J2/06 (By electric or magnetic field) appears on 443 US grants and 271 published applications in this corpus.
Search patents in B41J- Granted patents
- 443
- Published applications
- 271
- Assignees
- 105
- Inventors
- 642
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 17 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 13 | 0 |
| 1999 | 17 | 0 |
| 2000 | 40 | 0 |
| 2001 | 26 | 6 |
| 2002 | 22 | 17 |
| 2003 | 14 | 4 |
| 2004 | 7 | 12 |
| 2005 | 10 | 23 |
| 2006 | 2 | 27 |
| 2007 | 22 | 20 |
| 2008 | 14 | 11 |
| 2009 | 19 | 9 |
| 2010 | 15 | 7 |
| 2011 | 5 | 11 |
| 2012 | 5 | 5 |
| 2013 | 12 | 6 |
| 2014 | 9 | 11 |
| 2015 | 13 | 13 |
| 2016 | 14 | 10 |
| 2017 | 5 | 3 |
| 2018 | 3 | 8 |
| 2019 | 12 | 8 |
| 2020 | 4 | 3 |
| 2021 | 3 | 9 |
| 2022 | 8 | 13 |
| 2023 | 9 | 13 |
| 2024 | 9 | 11 |
| 2025 | 11 | 8 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 2002/061Ejection by electric field of ink or of toner particles contained inIndexing code182
- B41J 2/065Involving the preliminary making of ink protuberances36
- B41J 2002/063Moving solid toner particles in carrier liquid by eletrostatic force acting onIndexing code15
- B41J 2002/062By using a divided counter electrode opposite to ejection openings of anIndexing code14
Recent patents
- Inkjet printhead29 Sep 2026US 12,746,750 B2Enjet Co. Ltd.
- Printing device for high viscous fluids with selective nozzle activation12 May 2026US 12,623,455 B2Samsung Display Co., Ltd.
- Electrohydrodynamic print head with ink pinning24 Feb 2026US 12,558,896 B2Scrona AG
- Electrohydrodynamic printer with self-cleaning extractor4 Nov 2025US 12,459,278 B2The Regents of the University of Michigan
- Inkjet apparatus for display panel manufacturing and substrate processing facility21 Oct 2025US 12,447,744 B2Semes Co., Ltd.
- Inkjet printhead27 Aug 2026US 2026/0249609 A1Enjet Co. Ltd.
- Liquid ejection head substrate, liquid ejection head, and method of manufacturing liquid ejection head substrate12 Feb 2026US 2026/0042291 A1Canon Kabushiki Kaisha
- Liquid droplet ejection device and liquid droplet ejection method5 Feb 2026US 2026/0034780 A1Sijtechnology, Inc.
- Electrohydrodynamic inkjet printing devices, systems, and methods18 Dec 2025US 2025/0381776 A1Wisconsin Alumni Research Foundation
- Electrohydrodynamic print head with distributed feed structure27 Nov 2025US 2025/0360710 A1Scrona AG
Most cited
By later US patents
- Electrohydrodynamic receptor288US 5,980,719 ASarnoff Corporation · 1999
- Electrode combinations for pumping fluids254US 6,106,685 ASarnoff Corporation · 2000
- Inkjet printer with an electric curtain force150US 5,144,340 AMinolta Camera Kabushiki Kaisha · 1992
- Ink jet recording apparatus118US 4,736,212 AMatsushita Electric Industrial Co., Ltd. · 1988
- Ink jet recording method and apparatus99US 5,854,648 ACanon Kabushiki Kaisha · 1998