- 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: 5878
10-year publication summary
|
608
|
622
|
613
|
482
|
408
|
301
|
191
|
200
|
212
|
64
|
| 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. | 636 |
170 |
| Mitsubishi Materials Corporation | 2462 |
113 |
| JFE Steel Corporation | 7308 |
109 |
| Hitachi Metals, Ltd. | 1926 |
108 |
| Sumitomo Electric Industries, Ltd. | 16061 |
84 |
| Mitsui Mining & Smelting Co., Ltd. | 1384 |
82 |
| Murata Manufacturing Co., Ltd. | 25464 |
78 |
| SANYO Special Steel Co., Ltd. | 240 |
78 |
| Sumitomo Metal Mining Co., Ltd. | 1926 |
60 |
| TDK Corporation | 6805 |
52 |
| NTN Corporation | 4940 |
47 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
46 |
| Höganäs AB | 302 |
46 |
| JX Nippon Mining & Metals Corporation | 1469 |
46 |
| Proterial, Ltd. | 921 |
46 |
| Senju Metal Industry Co., Ltd. | 687 |
45 |
| Tanaka Kikinzoku Kogyo K.K. | 573 |
43 |
| Daicel Corporation | 2452 |
42 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
41 |
| Rtx Corporation | 9831 |
38 |
| Other owners | 4504 |