B41J 2/04548
Details of power line section of control circuit
Official title: {Details of power line section of control circuit}
B41J2/04548 (Details of power line section of control circuit) appears on 305 US grants and 326 published applications in this corpus.
Search patents in B41J- Granted patents
- 305
- Published applications
- 326
- Assignees
- 47
- Inventors
- 413
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 3 |
| 2002 | 10 | 15 |
| 2003 | 6 | 3 |
| 2004 | 12 | 9 |
| 2005 | 5 | 12 |
| 2006 | 7 | 5 |
| 2007 | 9 | 13 |
| 2008 | 7 | 3 |
| 2009 | 6 | 7 |
| 2010 | 6 | 6 |
| 2011 | 2 | 5 |
| 2012 | 6 | 13 |
| 2013 | 10 | 10 |
| 2014 | 15 | 14 |
| 2015 | 17 | 17 |
| 2016 | 22 | 17 |
| 2017 | 13 | 26 |
| 2018 | 19 | 24 |
| 2019 | 33 | 20 |
| 2020 | 15 | 16 |
| 2021 | 16 | 14 |
| 2022 | 11 | 7 |
| 2023 | 6 | 6 |
| 2024 | 6 | 19 |
| 2025 | 9 | 16 |
| 2026 | 14 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Liquid ejection head and liquid ejection device1 Oct 2026US 2026/0296005 A1RISO Technologies Corporation
- Liquid ejection head and liquid ejection device1 Oct 2026US 2026/0296006 A1RISO Technologies Corporation
- Liquid discharge apparatus and head unit24 Sep 2026US 2026/0285035 A1Seiko Epson Corporation
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Most cited
By later US patents
- Bubble valving for ink-jet printheads116US 6,003,977 AHewlett-Packard Company · 1999
- Energy control circuit for a thermal ink-jet printhead87US 5,083,137 AHewlett-Packard Company · 1992
- Power supply apparatus and image forming apparatus using the same85US 6,759,766 B2Fuji Xerox Co., Ltd. · 2004
- Thermal ink jet printhead with reduced power bus voltage drop differential84US 5,754,193 AXerox Corporation · 1998
- System and method for controlling firing operations of an inkjet printhead53US 6,318,828 B1Hewlett-Packard Company · 2001