- 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: 320
10-year publication summary
|
16
|
30
|
18
|
26
|
17
|
15
|
21
|
19
|
23
|
7
|
| 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. | 55 |
14 |
| LG Chem, Ltd. | 17822 |
11 |
| Metalysis Limited | 46 |
10 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
9 |
| Kinaltek Pty. Ltd. | 7 |
7 |
| K.K. Sun Metalon | 26 |
7 |
| TDK Corporation | 6807 |
6 |
| Nichia Corporation | 3832 |
6 |
| Kyocera Corporation | 14242 |
5 |
| DIC Corporation | 3906 |
5 |
| Nanoscale Powders LLC | 8 |
5 |
| Northeastern University | 563 |
5 |
| University of Utah Research Foundation | 1853 |
5 |
| Solueta Co., Ltd. | 7 |
5 |
| Taniobis GmbH | 59 |
5 |
| Kao Corporation | 5020 |
4 |
| Dowa Electronics Materials Co., Ltd. | 636 |
4 |
| JFE Steel Corporation | 7349 |
4 |
| PLANSEE SE | 229 |
4 |
| Tanaka Kikinzoku Kogyo K.K. | 574 |
4 |
| Other owners | 195 |