Element substrate, liquid discharge head, and printing apparatus
US-12496820-B2 · Dec 16, 2025 · US
reducing size of the apparatus
reducing size of the apparatus · 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 | B41J2/04523 |
| Official title | {reducing size of the apparatus} |
| Display label | reducing size of the apparatus |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drive circuit unit, head unit, and liquid discharge apparatus
US-12441103-B2 · Oct 14, 2025 · US
Ink jet recording method and ink jet recording apparatus
US-2024408864-A1 · Dec 12, 2024 · US
Element substrate
US-2024379179-A1 · Nov 14, 2024 · US
Accessing registers of fluid ejection devices
US-12097695-B2 · Sep 24, 2024 · US
Element substrate
US-12046309-B2 · Jul 23, 2024 · US
Element substrate, liquid discharge head, and printing apparatus
US-11981129-B2 · May 14, 2024 · US
Drive circuit unit, head unit, and liquid discharge apparatus
US-2024109290-A1 · Apr 4, 2024 · US
Liquid Discharge Apparatus
US-2024109298-A1 · Apr 4, 2024 · US
Liquid Discharge Apparatus
US-2024109302-A1 · Apr 4, 2024 · US
Printing device
US-2024109291-A1 · Apr 4, 2024 · US
Accessing registers of fluid ejection devices
US-2023356525-A1 · Nov 9, 2023 · US
Actuators for fluid delivery systems
US-11794475-B2 · Oct 24, 2023 · US
Accessing registers of fluid ejection devices
US-11760085-B2 · Sep 19, 2023 · US
Element substrate, liquid discharge head, and printing apparatus
US-2023158795-A1 · May 25, 2023 · US
Element substrate, liquid discharge head, and printing apparatus
US-11584122-B2 · Feb 21, 2023 · US
Actuators for fluid delivery systems
US-2023050914-A1 · Feb 16, 2023 · US
Actuators for fluid delivery systems
US-11498334-B2 · Nov 15, 2022 · US
Element substrate
US-2022293199-A1 · Sep 15, 2022 · US
Element substrate, liquid discharge head, and printing apparatus
US-2022288924-A1 · Sep 15, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J2/04523?
- CPC B41J2/04523 is the Cooperative Patent Classification code for “reducing size of the apparatus.”
- How many patents are filed under CPC B41J2/04523 (reducing size of the apparatus)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC B41J2/04523 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).