- 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 3/02 - Compacting only
Patent holdings for IPC class B22F 3/02
Total number of patents in this class: 820
10-year publication summary
|
98
|
73
|
67
|
69
|
58
|
47
|
32
|
44
|
48
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 4980 |
31 |
| Sumitomo Electric Industries, Ltd. | 14929 |
29 |
| Hitachi Metals, Ltd. | 2026 |
23 |
| Nitto Denko Corporation | 8073 |
18 |
| IHI Corporation | 3356 |
18 |
| JFE Steel Corporation | 6538 |
18 |
| Sumitomo Electric Sintered Alloy, Ltd. | 222 |
16 |
| Halliburton Energy Services, Inc. | 20411 |
15 |
| TDK Corporation | 6528 |
14 |
| Mitsubishi Heavy Industries Aero Engines, Ltd. | 125 |
14 |
| Intermetallics Co., Ltd. | 33 |
13 |
| Toshiba Corporation | 12037 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
12 |
| H.C. Starck Solutions Coldwater, LLC | 28 |
12 |
| Seiko Epson Corporation | 18975 |
9 |
| Mitsubishi Materials Corporation | 2408 |
9 |
| Stratasys Ltd. | 411 |
9 |
| Schlumberger Technology Corporation | 10228 |
8 |
| The Boeing Company | 19901 |
8 |
| AIDA Chemical Industries Co., Ltd. | 13 |
8 |
| Other owners | 524 |