- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 9/22 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
Patent holdings for IPC class B22F 9/22
Total number of patents in this class: 223
10-year publication summary
|
11
|
18
|
19
|
16
|
12
|
11
|
16
|
12
|
16
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taniobis GmbH | 61 |
8 |
| Ejoule International Limited | 9 |
8 |
| PLANSEE SE | 232 |
7 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
6 |
| Nichia Corporation | 3735 |
4 |
| Dowa Electronics Materials Co., Ltd. | 635 |
4 |
| JFE Steel Corporation | 6935 |
4 |
| Tohoku University | 2816 |
4 |
| University of Utah Research Foundation | 1821 |
4 |
| Pometon SpA | 9 |
4 |
| H.C. Starck Tungsten GmbH | 37 |
4 |
| Henan University of Science and Technology | 34 |
4 |
| Sony Corporation | 30929 |
3 |
| H.C. Starck GmbH | 66 |
3 |
| JFE Mineral Company, Ltd. | 63 |
3 |
| JX Nippon Mining & Metals Corporation | 1486 |
3 |
| Taiyo Nippon Sanso Corporation | 362 |
3 |
| Tata Steel Limited | 175 |
3 |
| Toda Kogyo Corporation | 339 |
3 |
| Toho Titanium Co., Ltd. | 252 |
3 |
| Other owners | 138 |