B41J 2002/14258
Multi layer thin film type piezoelectric element
Official title: {Multi layer thin film type piezoelectric element}
B41J2002/14258 (Multi layer thin film type piezoelectric element) appears on 219 US grants and 252 published applications in this corpus.
Search patents in B41J- Granted patents
- 219
- Published applications
- 252
- Assignees
- 38
- Inventors
- 310
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 9 | 7 |
| 2003 | 1 | 5 |
| 2004 | 5 | 5 |
| 2005 | 4 | 9 |
| 2006 | 8 | 6 |
| 2007 | 3 | 5 |
| 2008 | 4 | 7 |
| 2009 | 4 | 16 |
| 2010 | 8 | 6 |
| 2011 | 14 | 6 |
| 2012 | 8 | 6 |
| 2013 | 9 | 10 |
| 2014 | 14 | 8 |
| 2015 | 13 | 10 |
| 2016 | 3 | 6 |
| 2017 | 5 | 6 |
| 2018 | 6 | 14 |
| 2019 | 12 | 13 |
| 2020 | 10 | 20 |
| 2021 | 13 | 11 |
| 2022 | 15 | 8 |
| 2023 | 11 | 18 |
| 2024 | 8 | 10 |
| 2025 | 10 | 23 |
| 2026 | 9 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid jetting apparatus29 Sep 2026US 12,746,751 B2Brother Kogyo Kabushiki Kaisha
- Liquid discharge head, liquid discharge device, and liquid discharge apparatus8 Sep 2026US 12,728,638 B2Ricoh Company, Ltd.
- Liquid discharge head and liquid discharge apparatus25 Aug 2026US 12,715,214 B2Ricoh Company, Ltd.
- Head unit and liquid dispensing apparatus4 Aug 2026US 12,697,809 B2Seiko Epson Corporation
- Head unit and liquid dispensing apparatus28 Jul 2026US 12,691,676 B2Seiko Epson Corporation
- Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus1 Oct 2026US 2026/0296010 A1Seiko Epson Corporation
- Piezoelectric device and liquid discharge head1 Oct 2026US 2026/0296012 A1Seiko Epson Corporation
- Piezoelectric device and liquid ejection head1 Oct 2026US 2026/0296013 A1Seiko Epson Corporation
- Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus24 Sep 2026US 2026/0285038 A1Seiko Epson Corporation
- Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus24 Sep 2026US 2026/0293528 A1Seiko Epson Corporation
Most cited
By later US patents
- Ink-jet recording head with piezoelectric device and method for manufacturing the same368US 6,142,615 ASeiko Epson Corporation · 2000
- Piezoelectric device78US 5,376,857 ANGK Insulators, Ltd. · 1994
- Method of fabricating a piezoelectric/electrostrictive actuator60US 5,631,040 ANGK Insulators, Ltd. · 1997
- Ink-jet head55US 6,347,862 B1Matsushita Electric Industrial Co., Ltd. · 2002
- Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film53US 5,691,593 ANGK Insulators, Ltd. · 1997