- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
Patent holdings for IPC class B22F 9/04
Total number of patents in this class: 1519
10-year publication summary
|
121
|
126
|
124
|
107
|
110
|
119
|
130
|
133
|
107
|
74
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6960 |
49 |
| Hitachi Metals, Ltd. | 1823 |
33 |
| Fujian Golden Dragon Rare-earth Co., Ltd. | 74 |
20 |
| Shin-Etsu Chemical Co., Ltd. | 6134 |
17 |
| Pukyong National University Industry-University Cooperation Foundation | 378 |
17 |
| Murata Manufacturing Co., Ltd. | 25893 |
16 |
| Dowa Electronics Materials Co., Ltd. | 635 |
15 |
| The Boeing Company | 20197 |
12 |
| Sumitomo Electric Industries, Ltd. | 16345 |
12 |
| SunCoke Technology and Development LLC | 227 |
12 |
| Toyota Motor Corporation | 36092 |
11 |
| Nissan Motor Co., Ltd. | 13028 |
11 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 58 |
11 |
| Santoku Corporation | 82 |
11 |
| Yantai Dongxing Magnetic Materials Inc. | 37 |
11 |
| Noveon Magnetics Inc. | 38 |
11 |
| Proterial, Ltd. | 948 |
11 |
| Toshiba Corporation | 12660 |
10 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
10 |
| The United States of America as represented by the Secretary of the Army | 1260 |
10 |
| Other owners | 1209 |