- 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: 661
10-year publication summary
|
25
|
34
|
32
|
29
|
50
|
32
|
40
|
41
|
66
|
35
|
| 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. | 636 |
41 |
| Kao Corporation | 5056 |
15 |
| Mitsubishi Materials Corporation | 2465 |
15 |
| Mitsui Mining & Smelting Co., Ltd. | 1369 |
14 |
| Daicel Corporation | 2482 |
13 |
| SunCoke Technology and Development LLC | 246 |
12 |
| Tanaka Kikinzoku Kogyo K.K. | 575 |
11 |
| FUJIFILM Corporation | 30327 |
10 |
| DIC Corporation | 3924 |
10 |
| Murata Manufacturing Co., Ltd. | 25590 |
9 |
| Sumitomo Metal Mining Co., Ltd. | 1945 |
9 |
| Showa Denko Materials Co., Ltd. | 624 |
9 |
| Kyocera Corporation | 14278 |
8 |
| Seiko Epson Corporation | 20081 |
7 |
| Bando Chemical Industries, Ltd. | 599 |
7 |
| Sumitomo Electric Industries, Ltd. | 16191 |
6 |
| JFE Steel Corporation | 7407 |
6 |
| Osaka Soda Co., Ltd. | 241 |
6 |
| Centre National de La Recherche Scientifique | 10914 |
5 |
| TDK Corporation | 6821 |
5 |
| Other owners | 443 |