Authentication value for a fluid ejection device
US-10112425-B2 · Oct 30, 2018 · US
involving calculation of drop size, weight or volume
involving calculation of drop size, weight or volume · 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 | B41J2/04535 |
| Official title | {involving calculation of drop size, weight or volume} |
| Display label | involving calculation of drop size, weight or volume |
| Total patents | 174 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 16 |
| 2017 | 26 |
| 2018 | 20 |
| 2019 | 14 |
| 2020 | 16 |
| 2021 | 13 |
| 2022 | 10 |
| 2023 | 16 |
| 2024 | 21 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Image recording apparatus
US-2018281440-A1 · Oct 4, 2018 · US
Printing apparatus, printing method, and medium
US-9981464-B2 · May 29, 2018 · US
Correction data setting apparatus and inkjet head
US-2018141330-A1 · May 24, 2018 · US
Printing apparatus and printing method
US-2018126739-A1 · May 10, 2018 · US
Calibration Method and Calibration Device for Volume of Ink Droplet, Printing Apparatus
US-2018104949-A1 · Apr 19, 2018 · US
Liquid ejecting apparatus, flushing adjusting method, control program of liquid ejecting apparatus, and recording medium
US-2018086081-A1 · Mar 29, 2018 · US
Correction data setting apparatus and inkjet head
US-9908325-B2 · Mar 6, 2018 · US
Authentication value for fluid ejection device
US-9855777-B2 · Jan 2, 2018 · US
Inkjet printing apparatus
US-2017368830-A1 · Dec 28, 2017 · US
Dual and single drop weight printing
US-2017368838-A1 · Dec 28, 2017 · US
Printhead control system and inkjet printer system
US-2017361607-A1 · Dec 21, 2017 · US
Element substrate, printhead, and printing apparatus
US-2017348979-A1 · Dec 7, 2017 · US
Liquid discharge head and liquid discharge apparatus
US-2017326875-A1 · Nov 16, 2017 · US
Techniques for print ink droplet measurement and control to deposit fluids within precise tolerances
US-9802403-B2 · Oct 31, 2017 · US
Controlling the amount of printing fluid
US-9770899-B2 · Sep 26, 2017 · US
Inkjet recording apparatus
US-9770900-B2 · Sep 26, 2017 · US
Droplet ejection control apparatus, droplet ejection control method, and droplet ejection control program
US-2017253025-A1 · Sep 7, 2017 · US
Ambient temperature based flow rates
US-2017246858-A1 · Aug 31, 2017 · US
Printing apparatus and printing method
US-2017239938-A1 · Aug 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J2/04535?
- CPC B41J2/04535 is the Cooperative Patent Classification code for “involving calculation of drop size, weight or volume.”
- How many patents are filed under CPC B41J2/04535 (involving calculation of drop size, weight or volume)?
- Our database includes 174 publications tagged with this CPC code.
- Is patent activity under CPC B41J2/04535 growing?
- Publication counts under this code: 21 in 2024 vs 11 in 2025 (latest complete years).