B41J 2002/14217
Multi layer finger type piezoelectric element
Official title: {Multi layer finger type piezoelectric element}
B41J2002/14217 (Multi layer finger type piezoelectric element) appears on 364 US grants and 376 published applications in this corpus.
Search patents in B41J- Granted patents
- 364
- Published applications
- 376
- Assignees
- 27
- Inventors
- 235
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 20 |
| 2003 | 9 | 19 |
| 2004 | 13 | 39 |
| 2005 | 19 | 65 |
| 2006 | 22 | 51 |
| 2007 | 41 | 55 |
| 2008 | 40 | 36 |
| 2009 | 45 | 14 |
| 2010 | 46 | 10 |
| 2011 | 35 | 6 |
| 2012 | 13 | 9 |
| 2013 | 18 | 2 |
| 2014 | 7 | 8 |
| 2015 | 8 | 5 |
| 2016 | 3 | 4 |
| 2017 | 6 | 4 |
| 2018 | 8 | 8 |
| 2019 | 8 | 6 |
| 2020 | 1 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 3 |
| 2024 | 3 | 3 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Method of manufacturing ceramic electronic device57US 4,766,671 ANEC Corporation · 1988
- Ink jet head47US 6,174,051 B1Brother Kogyo Kabushiki Kaisha · 2001
- Ink jet printer head44US 6,808,254 B2Brother Kogyo Kabushiki Kaisha · 2004
- Piezoelectric ink jet printer head38US 5,266,964 ABrother Kogyo Kabushiki Kaisha · 1993
- Piezo-electric actuator of ink jet printer head and method for producing same32US 6,575,565 B1Brother Kogyo Kabushiki Kaisha · 2003