- 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 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
Patent holdings for IPC class B22F 1/052
Total number of patents in this class: 222
10-year publication summary
|
3
|
2
|
1
|
7
|
12
|
19
|
34
|
44
|
65
|
28
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6306 |
7 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
7 |
| Hewlett-Packard Development Company, L.P. | 28538 |
6 |
| Taniobis GmbH | 68 |
6 |
| Dowa Electronics Materials Co., Ltd. | 610 |
5 |
| Mitsubishi Materials Corporation | 2378 |
5 |
| Seiko Epson Corporation | 18724 |
4 |
| Alpha Assembly Solutions Inc. | 189 |
4 |
| The Trustees of Princeton University | 1129 |
4 |
| Metal Powder Works, LLC | 6 |
4 |
| BASF SE | 19740 |
3 |
| Nichia Corporation | 3394 |
3 |
| Central South University | 364 |
3 |
| Daido Steel Co., Ltd. | 237 |
3 |
| Global Advanced Metals, USA, Inc. | 41 |
3 |
| Taiyo Nippon Sanso Corporation | 356 |
3 |
| Noveon Magnetics Inc. | 36 |
3 |
| Canon Inc. | 36841 |
2 |
| Infineon Technologies AG | 8189 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Other owners | 143 |