- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 3/02 - Compacting only
Patent holdings for IPC class B22F 3/02
Total number of patents in this class: 868
10-year publication summary
|
73
|
67
|
69
|
58
|
47
|
32
|
46
|
49
|
39
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4915 |
33 |
| Sumitomo Electric Industries, Ltd. | 16355 |
29 |
| Hitachi Metals, Ltd. | 1896 |
21 |
| JFE Steel Corporation | 7549 |
19 |
| Nitto Denko Corporation | 8540 |
18 |
| Sumitomo Electric Sintered Alloy, Ltd. | 245 |
17 |
| TDK Corporation | 6876 |
16 |
| IHI Corporation | 3535 |
16 |
| Halliburton Energy Services, Inc. | 21320 |
15 |
| Mitsubishi Heavy Industries Aero Engines, Ltd. | 139 |
14 |
| Intermetallics Co., Ltd. | 33 |
13 |
| Toshiba Corporation | 12569 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
12 |
| Seiko Epson Corporation | 20259 |
11 |
| Elmet Technologies LLC | 28 |
11 |
| Murata Manufacturing Co., Ltd. | 25758 |
10 |
| The Boeing Company | 20163 |
9 |
| Mitsubishi Materials Corporation | 2475 |
9 |
| Stratasys Ltd. | 449 |
9 |
| Resonac Corporation | 3546 |
9 |
| Other owners | 565 |