- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
Patent holdings for IPC class B22F 1/00
Total number of patents in this class: 5896
10-year publication summary
|
609
|
626
|
616
|
492
|
421
|
315
|
197
|
205
|
214
|
117
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dowa Electronics Materials Co., Ltd. | 637 |
170 |
| Mitsubishi Materials Corporation | 2467 |
113 |
| JFE Steel Corporation | 7465 |
111 |
| Hitachi Metals, Ltd. | 1902 |
107 |
| Sumitomo Electric Industries, Ltd. | 16273 |
84 |
| Mitsui Mining & Smelting Co., Ltd. | 1342 |
81 |
| SANYO Special Steel Co., Ltd. | 245 |
80 |
| Murata Manufacturing Co., Ltd. | 25700 |
78 |
| Sumitomo Metal Mining Co., Ltd. | 1968 |
62 |
| TDK Corporation | 6841 |
51 |
| NTN Corporation | 4913 |
47 |
| National Institute of Advanced Industrial Science and Technology | 3787 |
47 |
| Proterial, Ltd. | 931 |
47 |
| Höganäs AB | 301 |
46 |
| JX Nippon Mining & Metals Corporation | 1462 |
46 |
| Senju Metal Industry Co., Ltd. | 688 |
46 |
| Tanaka Kikinzoku Kogyo K.K. | 575 |
43 |
| Daicel Corporation | 2506 |
42 |
| Panasonic Intellectual Property Management Co., Ltd. | 33792 |
41 |
| Rtx Corporation | 10036 |
39 |
| Other owners | 4515 |