Iron-based oxide magnetic powder and method for producing same
US-12428310-B2 · Sep 30, 2025 · US
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Namai Asuka patents
Namai Asuka is listed as an inventor on 35 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Namai Asuka |
| Total patents | 35 |
| First publication | Apr 14, 2016 |
| Latest publication | Sep 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Radio wave-absorbing laminate film, production method therefor, and element including same
US-11980013-B2 · May 7, 2024 · US
Radio wave absorber and paste for forming radio wave absorber
US-2023307844-A1 · Sep 28, 2023 · US
Electromagnetic wave absorbing sheet
US-2023301047-A1 · Sep 21, 2023 · US
Recording device and recording method
US-11574652-B2 · Feb 7, 2023 · US
Radio wave absorber
US-11539141-B2 · Dec 27, 2022 · US
Radio wave absorber film and method for producing same
US-2022288633-A1 · Sep 15, 2022 · US
Iron based oxide magnetic powder and method for producing same
US-11401170-B2 · Aug 2, 2022 · US
Iron-based oxide magnetic powder and production method therefor
US-2022081319-A1 · Mar 17, 2022 · US
Recording device and recording method
US-2021375314-A1 · Dec 2, 2021 · US
Recent patents
Latest publications not already listed above.
Circuit substrate, antenna element, built-in millimeter wave absorber for circuit substrate, and method for reducing noise in circuit substrate
US-2021367351-A1 · Nov 25, 2021 · US
Iron-based oxide magnetic powder and method for producing same
US-2021300779-A1 · Sep 30, 2021 · US
Oriented body, method for producing the same, device for producing the same, and magnetic recording medium
US-11087792-B2 · Aug 10, 2021 · US
Radio wave-absorbing laminate film, production method therefor, and element including same
US-2021227730-A1 · Jul 22, 2021 · US
Radio wave absorber
US-2021151895-A1 · May 20, 2021 · US
Magnetic material, method for producing the same, and electromagnetic wave absorbing sheet
US-2021012936-A1 · Jan 14, 2021 · US
Epsilon iron oxide and method for producing the same, magnetic coating material and magnetic recording medium
US-10807880-B2 · Oct 20, 2020 · US
Oriented body containing e-iron oxide, method for producing the same, and device for producing the same
US-10669161-B2 · Jun 2, 2020 · US
High-frequency antenna element and high-frequency antenna module
US-10374307-B2 · Aug 6, 2019 · US
Heat storage/dissipation material and heat storage/dissipation system
US-2019048243-A1 · Feb 14, 2019 · US
Oriented body, method for producing the same, device for producing the same, and magnetic recording medium
US-2018366151-A1 · Dec 20, 2018 · US
Magnetic iron oxide nanopowder and process for producing the same
US-10099941-B2 · Oct 16, 2018 · US
Epsilon iron oxide and method for producing the same, magnetic coating material and magnetic recording medium
US-2018170767-A1 · Jun 21, 2018 · US
Iron oxide magnetic nanoparticle powder and method of producing the same, iron oxide magnetic nanoparticle thin film containing the iron oxide magnetic nanoparticle powder and method of producing the same
US-9916922-B2 · Mar 13, 2018 · US
Process for production of magnetic thin film, magnetic thin film, and magnetic material
US-9886978-B2 · Feb 6, 2018 · US
Electromagnetic wave absorber and film forming paste
US-9806427-B2 · Oct 31, 2017 · US
High-frequency antenna element and high-frequency antenna module
US-2017288305-A1 · Oct 5, 2017 · US
Magnetic material loaded with magnetic alloy particles and method for producing said magnetic material
US-2017213624-A1 · Jul 27, 2017 · US
Magnetic iron oxide nanopowder and process for producing the same
US-2017137302-A1 · May 18, 2017 · US
Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide
US-9633770-B2 · Apr 25, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Tokyo | 35 |
| Dowa Electronics Materials Co Ltd | 16 |
| Tokyo Ohka Kogyo Co Ltd | 8 |
| Namai Asuka | 2 |
| Univ Osaka | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C01G49/06 | 24 |
| C01P2006/42 | 19 |
| C01P2004/64 | 16 |
| C01P2002/52 | 14 |
| H01F1/11 | 12 |