B41J 2/161
Of film type, deformed by bending and disposed on a diaphragm
Official title: {of film type, deformed by bending and disposed on a diaphragm}
B41J2/161 (Of film type, deformed by bending and disposed on a diaphragm) appears on 1,463 US grants and 1,604 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,463
- Published applications
- 1,604
- Assignees
- 126
- Inventors
- 1,321
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 20 | 0 |
| 1999 | 24 | 0 |
| 2000 | 29 | 0 |
| 2001 | 19 | 12 |
| 2002 | 46 | 46 |
| 2003 | 37 | 43 |
| 2004 | 42 | 51 |
| 2005 | 37 | 72 |
| 2006 | 39 | 103 |
| 2007 | 29 | 68 |
| 2008 | 52 | 98 |
| 2009 | 82 | 110 |
| 2010 | 83 | 89 |
| 2011 | 82 | 85 |
| 2012 | 72 | 69 |
| 2013 | 76 | 78 |
| 2014 | 93 | 68 |
| 2015 | 83 | 65 |
| 2016 | 60 | 64 |
| 2017 | 60 | 79 |
| 2018 | 72 | 76 |
| 2019 | 75 | 53 |
| 2020 | 56 | 39 |
| 2021 | 34 | 28 |
| 2022 | 29 | 30 |
| 2023 | 15 | 48 |
| 2024 | 34 | 37 |
| 2025 | 27 | 50 |
| 2026 | 19 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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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/electrostrictive actuator having integral ceramic base member and film-type piezoelectric/electrostrictive element (S)146US 5,475,279 ANGK Insulators, Ltd. · 1995
- Ink jet head, method of manufacturing the same and ink jet recording apparatus103US 6,565,196 B2Matsushita Electric Industrial Co., Ltd. · 2003
- Piezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end section72US 5,767,612 ANGK Insulators, Ltd. · 1998
- Laminated ink jet recording head having flow path unit with recess that confronts but does not communicate with common ink chamber70US 5,963,234 ASeiko Epson Corporation · 1999