B41J 2/162
Manufacturing of the nozzle plates
Official title: {Manufacturing of the nozzle plates}
B41J2/162 (Manufacturing of the nozzle plates) appears on 881 US grants and 809 published applications in this corpus.
Search patents in B41J- Granted patents
- 881
- Published applications
- 809
- Assignees
- 138
- Inventors
- 1,425
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
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| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
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| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 15 | 0 |
| 1998 | 14 | 0 |
| 1999 | 16 | 0 |
| 2000 | 28 | 0 |
| 2001 | 33 | 10 |
| 2002 | 30 | 21 |
| 2003 | 37 | 28 |
| 2004 | 19 | 28 |
| 2005 | 13 | 39 |
| 2006 | 14 | 46 |
| 2007 | 22 | 45 |
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| 2009 | 28 | 38 |
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| 2017 | 41 | 41 |
| 2018 | 36 | 45 |
| 2019 | 44 | 32 |
| 2020 | 30 | 23 |
| 2021 | 21 | 15 |
| 2022 | 18 | 20 |
| 2023 | 12 | 25 |
| 2024 | 15 | 22 |
| 2025 | 17 | 28 |
| 2026 | 13 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for manufacturing liquid ejection head and liquid ejection head25 Aug 2026US 12,715,216 B2Canon Kabushiki Kaisha
- Liquid discharge head, liquid discharge apparatus, and method for manufacturing liquid discharge head14 Jul 2026US 12,679,094 B2Ricoh Company, Ltd.
- Passive valves in a printhead10 Sep 2026US 2026/0264401 A1Ricoh Company, Ltd.
- Liquid ejection head substrate and method for manufacturing liquid ejection head substrate10 Sep 2026US 2026/0264403 A1Canon Kabushiki Kaisha
- Jet hole plate, head chip, liquid jet head, liquid jet recording apparatus, and method of manufacturing jet hole plate10 Sep 2026US 2026/0264404 A1Sii Printek Inc.
- Manufacturing method of liquid discharge head and liquid discharge head10 Sep 2026US 2026/0264405 A1Seiko Epson Corporation
- Inkjet printing apparatus, inkjet printing method, and electronic device3 Sep 2026US 2026/0257477 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Ink jet printhead and method of making224US 5,790,151 Aimaging Technology international Corp. · 1998
- Wide inkjet printhead152US 5,469,199 AHewlett-Packard Company · 1995
- Method for the construction of an aperture plate for dispensing liquid droplets143US 6,235,177 B1Aerogen, Inc. · 2001
- Method of fabricating an aperture plate for a roof-shooter type printhead134US 5,160,577 A1992
- Anisotropically etched ink fill slots in silicon131US 5,308,442 AHewlett-Packard Company · 1994