B41J 2/1618
Fixing the piezoelectric elements
Official title: {Fixing the piezoelectric elements}
B41J2/1618 (Fixing the piezoelectric elements) appears on 55 US grants and 25 published applications in this corpus.
Search patents in B41J- Granted patents
- 55
- Published applications
- 25
- Assignees
- 23
- Inventors
- 103
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 3 |
| 2016 | 4 | 2 |
| 2017 | 2 | 3 |
| 2018 | 2 | 5 |
| 2019 | 3 | 0 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Actuator component for a droplet ejection head and method for manufacturing the same15 Apr 2025US 12,275,242 B2Xaar Technology Limited
- Liquid ejection head26 Nov 2024US 12,151,479 B2Canon Kabushiki Kaisha
- Liquid ejection head12 Sep 2023US 11,752,770 B2Canon Kabushiki Kaisha
- Liquid discharge head including supply and discharge channels, liquid discharge device, and liquid discharge apparatus28 Dec 2021US 11,207,888 B2Ricoh Company, Ltd.
- Liquid discharge head, including supply and discharge channels,liquid discharge device, and liquid discharge apparatus1 Sep 2020US 10,759,165 B2Ricoh Company, Ltd.
- Liquid ejecting head and liquid ejecting apparatus30 Oct 2025US 2025/0332833 A1Seiko Epson Corporation
- Liquid ejection head23 Nov 2023US 2023/0373215 A1Canon Kabushiki Kaisha
- An actuator component for a droplet ejection head and method for manufacturing the same2 Nov 2023US 2023/0347648 A1Xaar Technology Limited
- Liquid ejection head1 Sep 2022US 2022/0274406 A1Canon Kabushiki Kaisha
- Liquid discharge head including supply and discharge channels, liquid discharge device, and liquid discharge apparatus5 Nov 2020US 2020/0346457 A1Ricoh Company, Ltd.
Most cited
By later US patents
- High density ink jet printhead87US 5,235,352 ACompaq Computer Corporation · 1993
- Electroding of ceramic piezoelectric transducers42US 5,755,909 ASpectra, Inc. · 1998
- Ink jet recording head31US 5,424,769 ASeiko Epson Corporation · 1995
- Ink-jet recording head30US 5,381,171 ASeiko Epson Corporation · 1995
- Ink jet print head and ink jet printer22US 5,465,108 ARohm Co., Ltd. · 1995