- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 9/28 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from gaseous metal compounds
Patent holdings for IPC class B22F 9/28
Total number of patents in this class: 40
10-year publication summary
|
2
|
5
|
5
|
6
|
2
|
2
|
3
|
1
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toho Titanium Co., Ltd. | 269 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48214 |
3 |
| Taiyo Nippon Sanso Corporation | 364 |
3 |
| JFE Mineral & Alloy Company,ltd. | 27 |
3 |
| JFE Mineral Company, Ltd. | 62 |
2 |
| Korea Institute of Industrial Technology | 1029 |
2 |
| Reactive Metal Particles AS | 2 |
2 |
| Tokuyama Corporation | 1472 |
2 |
| Shonano Co., Ltd | 9 |
2 |
| General Electric Company | 13894 |
1 |
| E. I. du Pont de Nemours and Company | 3553 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
1 |
| Korea Advanced Institute of Science and Technology | 4659 |
1 |
| Applejack 199 L.P. | 36 |
1 |
| Global Advanced Metals, USA, Inc. | 33 |
1 |
| Kemira Oyj | 1258 |
1 |
| Korea Institute of Energy Research | 898 |
1 |
| Nisshin Engineering Inc. | 63 |
1 |
| Teknologian Tutkimuskeskus VTT | 258 |
1 |
| National Technology & Engineering Solutions of Sandia, LLC | 1948 |
1 |
| Other owners | 6 |