- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 9/02 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes
Patent holdings for IPC class B22F 9/02
Total number of patents in this class: 328
10-year publication summary
|
31
|
30
|
34
|
22
|
11
|
24
|
19
|
18
|
48
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6720 |
19 |
| Yantai Zhenghai Magnetic Material Co., Ltd. | 48 |
8 |
| Shin-Etsu Chemical Co., Ltd. | 5651 |
7 |
| Proterial, Ltd. | 843 |
6 |
| Fujian Golden Dragon Rare-earth Co., Ltd. | 64 |
6 |
| Kennametal Inc. | 1387 |
5 |
| The University of Birmingham | 407 |
5 |
| H.C. Starck Solutions Euclid, LLC | 24 |
5 |
| Centre National de La Recherche Scientifique | 10421 |
4 |
| Hitachi Metals, Ltd. | 1982 |
4 |
| Murata Manufacturing Co., Ltd. | 24503 |
4 |
| Hard Industry Yugen Kaisha | 5 |
4 |
| HRL Laboratories, LLC | 1601 |
4 |
| Sandvik Intellectual Property AB | 1484 |
4 |
| University of Utah Research Foundation | 1807 |
4 |
| Yantai Dongxing Magnetic Materials Inc. | 33 |
4 |
| Iowa State University Research Foundation, Inc. | 773 |
3 |
| JFE Steel Corporation | 6833 |
3 |
| National University Corporation Nagoya University | 857 |
3 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 52 |
3 |
| Other owners | 223 |