B41J 2002/14241
Having a cover around the piezoelectric thin film element
Official title: {having a cover around the piezoelectric thin film element}
B41J2002/14241 (Having a cover around the piezoelectric thin film element) appears on 913 US grants and 1,097 published applications in this corpus.
Search patents in B41J- Granted patents
- 913
- Published applications
- 1,097
- Assignees
- 41
- Inventors
- 643
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 5 |
| 2003 | 4 | 11 |
| 2004 | 8 | 11 |
| 2005 | 9 | 18 |
| 2006 | 5 | 38 |
| 2007 | 7 | 21 |
| 2008 | 19 | 22 |
| 2009 | 35 | 40 |
| 2010 | 24 | 26 |
| 2011 | 30 | 54 |
| 2012 | 23 | 32 |
| 2013 | 49 | 43 |
| 2014 | 53 | 51 |
| 2015 | 51 | 40 |
| 2016 | 51 | 51 |
| 2017 | 47 | 59 |
| 2018 | 58 | 76 |
| 2019 | 58 | 81 |
| 2020 | 83 | 119 |
| 2021 | 89 | 58 |
| 2022 | 58 | 42 |
| 2023 | 34 | 58 |
| 2024 | 36 | 51 |
| 2025 | 44 | 58 |
| 2026 | 29 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Liquid discharge head and liquid discharge apparatus20 Aug 2026US 2026/0241694 A1Canon Kabushiki Kaisha
- Liquid Ejecting Apparatus13 Aug 2026US 2026/0233517 A1Seiko Epson Corporation
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- Liquid ejecting head and liquid ejecting apparatus13 Aug 2026US 2026/0233522 A1Seiko Epson Corporation
Most cited
By later US patents
- Ink jet print head having members with different coefficients of thermal expansion59US 5,670,999 ANGK Insulators, Ltd. · 1997
- Ink-jet recording head and ink-jet recording apparatus58US 6,378,996 B1Seiko Epson Corporation · 2002
- Method for manufacturing a face shooter ink jet printing head53US 5,752,303 AFrancotyp-Postalia GmbH · 1998
- Ink jet recording head and ink jet recording apparatus comprising the same40US 6,616,270 B1Seiko Epson Corporation · 2003
- Edge-shooter ink jet print head and method for its manufacture34US 5,714,078 AFrancotyp-Postalia GmbH · 1998