B41J 2/295
Using piezoelectric elements
Official title: using piezoelectric elements
B41J2/295 (Using piezoelectric elements) appears on 60 US grants and 1 published applications in this corpus.
Search patents in B41J- Granted patents
- 60
- Published applications
- 1
- Assignees
- 19
- Inventors
- 76
- Latest grant
- 12 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid ejection head12 Oct 2021US 11,141,982 B2Brother Kogyo Kabushiki Kaisha
- Drive arrangement for a writing head18 Dec 2001US 6,331,037 B1ABB Instrumentation Limited
- Electromechanical actuator used in wire-dot printing head10 Mar 1998US 5,726,521 AFujitsu Limited
- Printing head for wire-dot printer17 Jun 1997US 5,639,170 AFujitsu Limited
- Piezoelectric printing head5 Sep 1995US 5,447,381 AFujitsu Limited
Most cited
By later US patents
- Lever actuator comprising a longitudinal-effect electroexpansive transducer and designed to prevent actuation from degrading the actuator72US 4,435,666 ANippon Electric Co., Ltd. · 1984
- Mechanical amplification mechanism for electromechanical transducer33US 4,675,568 ANEC Corporation · 1987
- Piezoelectrically driven printing mechanism for dot matrix printers32US 4,547,086 ANEC Corporation · 1985
- Matrix printer with piezoelectrically driven printing needles31US 4,193,703 AInternational Business Machines Corporation · 1980
- Laminate type piezoelectric actuator element31US 5,089,739 ABrother Kogyo Kabushiki Kaisha · 1992