- All sections
- B - Performing operations; transporting
- B22F - Working metallic powder; manufacture of articles from metallic powder; making metallic powder; apparatus or devices specially adapted for metallic powder
- B22F 9/20 - Making metallic powder or suspensions thereof; Apparatus 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: 299
10-year publication summary
|
17
|
28
|
16
|
32
|
19
|
26
|
18
|
18
|
22
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
10 |
| Metalysis Limited | 49 |
10 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 47 |
10 |
| TDK Corporation | 6306 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
6 |
| Kinaltek Pty. Ltd. | 6 |
6 |
| Taniobis GmbH | 68 |
6 |
| Nichia Corporation | 3394 |
5 |
| DIC Corporation | 3597 |
5 |
| Nanoscale Powders LLC | 8 |
5 |
| Northeastern University | 493 |
5 |
| University of Utah Research Foundation | 1737 |
5 |
| Solueta Co., Ltd. | 7 |
5 |
| General Electric Company | 18133 |
4 |
| Hitachi Metals, Ltd. | 2175 |
4 |
| Dowa Electronics Materials Co., Ltd. | 610 |
4 |
| H.C. Starck Inc. | 54 |
4 |
| PLANSEE SE | 233 |
4 |
| H.C. Starck Tungsten GmbH | 32 |
4 |
| Cambrios Film Solutions Corporation | 113 |
4 |
| Other owners | 187 |