Writing implements
US-12393286-B2 · Aug 19, 2025 · US
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with electrically or magnetically activated writing-points
with electrically or magnetically activated writing-points · 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 | B43K8/22 |
| Official title | with electrically or magnetically activated writing-points |
| Display label | with electrically or magnetically activated writing-points |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Printing method and printing apparatus for improving visibility and printed matter printed using the printing method
US-12275250-B2 · Apr 15, 2025 · US
Writing implements
US-2024402838-A1 · Dec 5, 2024 · US
Writing instrument comprising a switchable flow material
US-11884092-B2 · Jan 30, 2024 · US
Printing method and printing apparatus for improving visibility and printed matter printed using the printing method
US-2023173812-A1 · Jun 8, 2023 · US
Writing instrument comprising a switchable flow material
US-2022184994-A1 · Jun 16, 2022 · US
Device that produces color on demand
US-10899165-B2 · Jan 26, 2021 · US
Printing device, printing device control method and writing device
US-10894425-B2 · Jan 19, 2021 · US
Position pointer
US-10589562-B2 · Mar 17, 2020 · US
Battery utilizing device cavity
US-10566582-B2 · Feb 18, 2020 · US
Device that produces color on demand
US-2019322119-A1 · Oct 24, 2019 · US
Printing Device, Printing Device Control Method and Writing Device
US-2019286176-A1 · Sep 19, 2019 · US
Pen holder
US-10391808-B2 · Aug 27, 2019 · US
Writing apparatus and a method of dispensing writing fluid on a writing surface
US-2019001736-A1 · Jan 3, 2019 · US
Pen holder
US-2018154679-A1 · Jun 7, 2018 · US
Battery utilizing device cavity
US-2017373283-A1 · Dec 28, 2017 · US
Position pointer
US-2017341458-A1 · Nov 30, 2017 · US
Electromagnetic writing unit and electromagnetic handwriting pen for concurrently providing ink writing and electromagnetic writing functions
US-9052756-B2 · Jun 9, 2015 · US
Electromagnetic writing unit and electromagnetic handwriting pen for concurrently providing ink writing and electromagnetic writing functions
US-2015116287-A1 · Apr 30, 2015 · US