- 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: 5792
10-year publication summary
|
577
|
609
|
626
|
616
|
493
|
431
|
312
|
189
|
201
|
116
|
| 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 |
| Mitsubishi Materials Corporation | 2448 |
109 |
| Hitachi Metals, Ltd. | 1977 |
108 |
| JFE Steel Corporation | 6853 |
102 |
| Mitsui Mining & Smelting Co., Ltd. | 1489 |
83 |
| Sumitomo Electric Industries, Ltd. | 15511 |
79 |
| SANYO Special Steel Co., Ltd. | 222 |
73 |
| Murata Manufacturing Co., Ltd. | 24575 |
68 |
| Sumitomo Metal Mining Co., Ltd. | 1782 |
55 |
| TDK Corporation | 6750 |
53 |
| Höganäs AB | 307 |
48 |
| NTN Corporation | 4975 |
46 |
| JX Nippon Mining & Metals Corporation | 1488 |
46 |
| Senju Metal Industry Co., Ltd. | 684 |
45 |
| Tanaka Kikinzoku Kogyo K.K. | 583 |
43 |
| National Institute of Advanced Industrial Science and Technology | 3791 |
41 |
| Proterial, Ltd. | 852 |
41 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
39 |
| Daicel Corporation | 2351 |
38 |
| Rtx Corporation | 9395 |
38 |
| Other owners | 4472 |