- 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: 845
10-year publication summary
|
95
|
68
|
66
|
67
|
55
|
47
|
32
|
43
|
48
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4973 |
32 |
| Sumitomo Electric Industries, Ltd. | 15705 |
29 |
| Hitachi Metals, Ltd. | 1963 |
22 |
| JFE Steel Corporation | 7012 |
20 |
| Nitto Denko Corporation | 8352 |
18 |
| IHI Corporation | 3461 |
16 |
| Sumitomo Electric Sintered Alloy, Ltd. | 229 |
16 |
| Halliburton Energy Services, Inc. | 21006 |
15 |
| TDK Corporation | 6877 |
15 |
| Mitsubishi Heavy Industries Aero Engines, Ltd. | 135 |
14 |
| Intermetallics Co., Ltd. | 33 |
13 |
| Toshiba Corporation | 12521 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 32244 |
12 |
| Seiko Epson Corporation | 19668 |
11 |
| H.C. Starck Solutions Coldwater, LLC | 26 |
11 |
| The Boeing Company | 20161 |
9 |
| Mitsubishi Materials Corporation | 2472 |
9 |
| Stratasys Ltd. | 431 |
9 |
| Murata Manufacturing Co., Ltd. | 24928 |
8 |
| AIDA Chemical Industries Co., Ltd. | 13 |
8 |
| Other owners | 546 |