- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 9/00 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor
Patent holdings for IPC class B22F 9/00
Total number of patents in this class: 649
10-year publication summary
|
25
|
33
|
32
|
27
|
48
|
32
|
40
|
41
|
66
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dowa Electronics Materials Co., Ltd. | 639 |
41 |
| Mitsubishi Materials Corporation | 2467 |
15 |
| Mitsui Mining & Smelting Co., Ltd. | 1397 |
14 |
| Daicel Corporation | 2441 |
13 |
| Kao Corporation | 5031 |
11 |
| SunCoke Technology and Development LLC | 244 |
11 |
| Tanaka Kikinzoku Kogyo K.K. | 573 |
11 |
| FUJIFILM Corporation | 30106 |
10 |
| DIC Corporation | 3890 |
10 |
| Showa Denko Materials Co., Ltd. | 624 |
9 |
| Kyocera Corporation | 14199 |
8 |
| Murata Manufacturing Co., Ltd. | 25296 |
7 |
| Bando Chemical Industries, Ltd. | 604 |
7 |
| Sumitomo Metal Mining Co., Ltd. | 1904 |
7 |
| Seiko Epson Corporation | 19851 |
6 |
| JFE Steel Corporation | 7213 |
6 |
| Osaka Soda Co., Ltd. | 243 |
6 |
| Centre National de La Recherche Scientifique | 10820 |
5 |
| Sumitomo Electric Industries, Ltd. | 15994 |
5 |
| TDK Corporation | 6784 |
5 |
| Other owners | 442 |