- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 9/20 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from solid metal compounds
Patent holdings for IPC class B22F 9/20
Total number of patents in this class: 334
10-year publication summary
|
16
|
32
|
19
|
26
|
20
|
18
|
22
|
19
|
24
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ningxia Orient Tantalum Industry Co., Ltd. | 58 |
17 |
| LG Chem, Ltd. | 17921 |
11 |
| Metalysis Limited | 45 |
10 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
9 |
| JFE Steel Corporation | 7508 |
9 |
| K.K. Sun Metalon | 29 |
8 |
| Kinaltek Pty. Ltd. | 7 |
7 |
| TDK Corporation | 6855 |
6 |
| Nichia Corporation | 3872 |
6 |
| Taniobis GmbH | 60 |
6 |
| Kyocera Corporation | 14335 |
5 |
| DIC Corporation | 3961 |
5 |
| Nanoscale Powders LLC | 8 |
5 |
| Northeastern University | 573 |
5 |
| University of Utah Research Foundation | 1860 |
5 |
| Solueta Co., Ltd. | 7 |
5 |
| Kao Corporation | 5073 |
4 |
| Dowa Electronics Materials Co., Ltd. | 636 |
4 |
| PLANSEE SE | 230 |
4 |
| Sumitomo Metal Mining Co., Ltd. | 1971 |
4 |
| Other owners | 199 |