Organic magnetic material and semiconductor device including the same
US-12266457-B2 · Apr 1, 2025 · US
of magnetic semiconductor materials, e.g. CdCr2S4 (devices using galvano-magnetic or similar effects H10N50/00)
of magnetic semiconductor materials, e.g. CdCr2S4 (devices using galvano-magnetic or similar effects H10N50/00) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F1/40 |
| Official title | of magnetic semiconductor materials, e.g. CdCr2S4 (devices using galvano-magnetic or similar effects H10N50/00) |
| Display label | of magnetic semiconductor materials, e.g. CdCr2S4 (devices using galvano-magnetic or similar effects H10N50/00) |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Diamond substrate and method for manufacturing the same
US-11753740-B2 · Sep 12, 2023 · US
Diamond substrate and method for manufacturing the same
US-2023250553-A1 · Aug 10, 2023 · US
Organic magnetic material and semiconductor device including the same
US-2023230736-A1 · Jul 20, 2023 · US
Oxide interface displaying electronically controllable ferromagnetism
US-11688539-B2 · Jun 27, 2023 · US
Oxide interface displaying electronically controllable ferromagnetism
US-2022084731-A1 · Mar 17, 2022 · US
Oxide interface displaying electronically controllable ferromagnetism
US-11205535-B2 · Dec 21, 2021 · US
Magneto-plasmonic nanomaterials and methods of use
US-2021215679-A1 · Jul 15, 2021 · US
Diamond substrate and method for manufacturing the same
US-2021148005-A1 · May 20, 2021 · US
Magnetic sheet and electronic device
US-10692638-B2 · Jun 23, 2020 · US
Oxide interface displaying electronically controllable ferromagnetism
US-2020126705-A1 · Apr 23, 2020 · US
Oxide interface displaying electronically controllable ferromagnetism
US-10490331-B2 · Nov 26, 2019 · US
Differential inductor and semiconductor device including the same
US-10431543-B2 · Oct 1, 2019 · US
MnN and Heusler layers in magnetic tunnel junctions
US-10170696-B1 · Jan 1, 2019 · US
Differential inductor and semiconductor device including the same
US-2018277480-A1 · Sep 27, 2018 · US
Magnetic sheet and electronic device
US-2018240582-A1 · Aug 23, 2018 · US
Semiconductor device
US-10032892-B2 · Jul 24, 2018 · US
Oxide interface displaying electronically controllable ferromagnetism
US-2018075960-A1 · Mar 15, 2018 · US
Semiconductor device
US-2017373173-A1 · Dec 28, 2017 · US
Oxide interface displaying electronically controllable ferromagnetism
US-9852835-B2 · Dec 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F1/40?
- CPC H01F1/40 is the Cooperative Patent Classification code for “of magnetic semiconductor materials, e.g. CdCr2S4 (devices using galvano-magnetic or similar effects H10N50/00).”
- How many patents are filed under CPC H01F1/40 (of magnetic semiconductor materials, e.g. CdCr2S4 (devices using galvano-magnetic or similar effects H10N50/00))?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC H01F1/40 growing?
- Publication counts under this code: 4 in 2023 vs 1 in 2025 (latest complete years).