Sintered ferrite magnet and motor provided therewith
US-9514871-B2 · Dec 6, 2016 · US
Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-ferrites
Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-ferrites · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B2235/767 |
| Official title | Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-ferrites |
| Display label | Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-ferrites |
| Total patents | 371 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 35 |
| 2016 | 31 |
| 2017 | 35 |
| 2018 | 30 |
| 2019 | 43 |
| 2020 | 31 |
| 2021 | 44 |
| 2022 | 40 |
| 2023 | 37 |
| 2024 | 21 |
| 2025 | 20 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High aspect boron nitride, methods, and composition containing the same
US-2016325994-A1 · Nov 10, 2016 · US
Boron Nitride Agglomerates, Method of Production Thereof and Use Thereof
US-2016326063-A1 · Nov 10, 2016 · US
Sintered ferrite magnet and motor provided therewith
US-9460835-B2 · Oct 4, 2016 · US
Silicon nitride sintered body and wear resistant member using the same
US-9440887-B2 · Sep 13, 2016 · US
Infrared absorption material, method for fabricating the same, and thermal isolation structure employing the same
US-9434652-B2 · Sep 6, 2016 · US
Magnetic material for antennas, antenna, and wireless communication device
US-9424968-B2 · Aug 23, 2016 · US
Boron nitride agglomerates, method of production thereof and use thereof
US-9422200-B2 · Aug 23, 2016 · US
Sintered ferrite magnet and its production method
US-9401235-B2 · Jul 26, 2016 · US
Sialon sintered body and cutting insert
US-2016207837-A1 · Jul 21, 2016 · US
Metal nitride material for thermistor, method for producing same, and film-type thermistor sensor
US-2016189831-A1 · Jun 30, 2016 · US
Metal nitride material for thermistor, method for producing same, and film-type thermistor sensor
US-2016187205-A1 · Jun 30, 2016 · US
Oxide ceramic and ceramic electronic component
US-2016155562-A1 · Jun 2, 2016 · US
Phosphor particle group and light emitting apparatus using the same
US-9356203-B2 · May 31, 2016 · US
Magnetoelectric material and method of manufacturing the same
US-9340902-B2 · May 17, 2016 · US
Ferrite magnetic material
US-9336933-B2 · May 10, 2016 · US
Wear resistant member, and method for manufacturing the wear resistant member
US-9334193-B2 · May 10, 2016 · US
Incorporation of oxides into ferrite material for improved radio radiofrequency properties
US-2016118168-A1 · Apr 28, 2016 · US
Magnetodielectric y-phase strontium hexagonal ferrite materials formed by sodium substitution
US-2016118167-A1 · Apr 28, 2016 · US
Increased resonant frequency potassium-doped hexagonal ferrite
US-2016118170-A1 · Apr 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2235/767?
- CPC C04B2235/767 is the Cooperative Patent Classification code for “Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-ferrites.”
- How many patents are filed under CPC C04B2235/767 (Hexagonal symmetry, e.g. beta-Si3N4, beta-Sialon, alpha-SiC or hexa-ferrites)?
- Our database includes 371 publications tagged with this CPC code.
- Is patent activity under CPC C04B2235/767 growing?
- Publication counts under this code: 21 in 2024 vs 20 in 2025 (latest complete years).