Liquid ejection apparatus, liquid ejection head, liquid ejection head control device, and liquid ejection head controlling method
US-2026091593-A1 · Apr 2, 2026 · US
controlling a head having several actuators per chamber
controlling a head having several actuators per chamber · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B41J2/04533 |
| Official title | {controlling a head having several actuators per chamber} |
| Display label | controlling a head having several actuators per chamber |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 12 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Image forming system and head moving method
US-2025242582-A1 · Jul 31, 2025 · US
Inkjet recording device and manufacturing method for same
US-11975533-B2 · May 7, 2024 · US
Actuators for fluid delivery systems
US-11794475-B2 · Oct 24, 2023 · US
Actuators for fluid delivery systems
US-2023050914-A1 · Feb 16, 2023 · US
Inkjet recording device and manufacturing method for same
US-2023040662-A1 · Feb 9, 2023 · US
Actuators for fluid delivery systems
US-11498334-B2 · Nov 15, 2022 · US
Printing system using vibration-driven particle applicator
US-11318772-B2 · May 3, 2022 · US
Print head nozzle spitting
US-11260652-B2 · Mar 1, 2022 · US
Print head nozzle spitting
US-2021283906-A1 · Sep 16, 2021 · US
Delay elements for activation signals
US-2021276324-A1 · Sep 9, 2021 · US
Printing system using vibration-driven particle applicator
US-2021252892-A1 · Aug 19, 2021 · US
Actuators for fluid delivery systems
US-2021187949-A1 · Jun 24, 2021 · US
Liquid discharge head
US-11020972-B2 · Jun 1, 2021 · US
Actuators for fluid delivery systems
US-10940688-B2 · Mar 9, 2021 · US
Delay elements for activation signals
US-10875298-B2 · Dec 29, 2020 · US
Liquid discharge head
US-2020101739-A1 · Apr 2, 2020 · US
Delay elements for activation signals
US-2020039215-A1 · Feb 6, 2020 · US
Actuators for fluid delivery systems
US-2020001607-A1 · Jan 2, 2020 · US
Print head with integrated jet impedance measurement
US-10500846-B1 · Dec 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J2/04533?
- CPC B41J2/04533 is the Cooperative Patent Classification code for “controlling a head having several actuators per chamber.”
- How many patents are filed under CPC B41J2/04533 (controlling a head having several actuators per chamber)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC B41J2/04533 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).