B41J 2/04588
Using a specific waveform
Official title: {using a specific waveform}
B41J2/04588 (Using a specific waveform) appears on 2,493 US grants and 2,540 published applications in this corpus.
Search patents in B41J- Granted patents
- 2,493
- Published applications
- 2,540
- Assignees
- 190
- Inventors
- 2,112
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 30 | 0 |
| 1999 | 29 | 0 |
| 2000 | 61 | 0 |
| 2001 | 83 | 21 |
| 2002 | 93 | 63 |
| 2003 | 68 | 60 |
| 2004 | 72 | 130 |
| 2005 | 69 | 132 |
| 2006 | 94 | 120 |
| 2007 | 82 | 124 |
| 2008 | 95 | 122 |
| 2009 | 111 | 135 |
| 2010 | 118 | 113 |
| 2011 | 116 | 90 |
| 2012 | 90 | 61 |
| 2013 | 72 | 72 |
| 2014 | 94 | 71 |
| 2015 | 93 | 91 |
| 2016 | 90 | 99 |
| 2017 | 93 | 110 |
| 2018 | 89 | 92 |
| 2019 | 88 | 93 |
| 2020 | 76 | 102 |
| 2021 | 88 | 102 |
| 2022 | 72 | 112 |
| 2023 | 66 | 92 |
| 2024 | 95 | 113 |
| 2025 | 86 | 116 |
| 2026 | 74 | 104 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Droplet generating method and apparatus thereof1,847US 4,463,359 ACanon Kabushiki Kaisha · 1984
- Ink jet recording method1,590US 4,345,262 ACanon Kabushiki Kaisha · 1982
- Method and apparatus for recording with writing fluids and drop projection means therefor528US 3,946,398 ASilonics, Inc. · 1976
- Thermal ink jet printer333US 4,490,728 AHewlett-Packard Company · 1984
- Printhead assembly for an ink jet printer236US 6,652,082 B2Silverbrook Research Pty Ltd · 2003