- 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: 5766
10-year publication summary
|
577
|
609
|
626
|
617
|
494
|
433
|
306
|
188
|
201
|
78
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dowa Electronics Materials Co., Ltd. | 632 |
165 |
| Hitachi Metals, Ltd. | 1990 |
108 |
| Mitsubishi Materials Corporation | 2427 |
108 |
| JFE Steel Corporation | 6751 |
100 |
| Mitsui Mining & Smelting Co., Ltd. | 1456 |
84 |
| Sumitomo Electric Industries, Ltd. | 15321 |
74 |
| SANYO Special Steel Co., Ltd. | 218 |
73 |
| Murata Manufacturing Co., Ltd. | 24302 |
68 |
| Sumitomo Metal Mining Co., Ltd. | 1760 |
56 |
| TDK Corporation | 6667 |
53 |
| Höganäs AB | 309 |
48 |
| JX Nippon Mining & Metals Corporation | 1502 |
47 |
| NTN Corporation | 4977 |
46 |
| Senju Metal Industry Co., Ltd. | 675 |
43 |
| Tanaka Kikinzoku Kogyo K.K. | 592 |
43 |
| National Institute of Advanced Industrial Science and Technology | 3784 |
41 |
| Panasonic Intellectual Property Management Co., Ltd. | 30903 |
39 |
| Rtx Corporation | 9290 |
38 |
| Daicel Corporation | 2327 |
37 |
| Proterial, Ltd. | 822 |
35 |
| Other owners | 4460 |