- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
Patent holdings for IPC class B22F 1/02
Total number of patents in this class: 1761
10-year publication summary
|
171
|
200
|
224
|
157
|
122
|
124
|
33
|
2
|
0
|
0
|
| 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. | 638 |
82 |
| Senju Metal Industry Co., Ltd. | 689 |
34 |
| Sumitomo Electric Industries, Ltd. | 15802 |
30 |
| Hitachi Metals, Ltd. | 1955 |
28 |
| JFE Steel Corporation | 7090 |
23 |
| Mitsubishi Materials Corporation | 2472 |
23 |
| Murata Manufacturing Co., Ltd. | 25037 |
21 |
| Höganäs AB | 311 |
21 |
| Sumitomo Metal Mining Co., Ltd. | 1795 |
21 |
| JX Nippon Mining & Metals Corporation | 1479 |
19 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2861 |
19 |
| Mitsui Mining & Smelting Co., Ltd. | 1509 |
19 |
| Rtx Corporation | 9611 |
18 |
| TDK Corporation | 6750 |
17 |
| NTN Corporation | 4960 |
17 |
| Bando Chemical Industries, Ltd. | 599 |
17 |
| Sekisui Chemical Co., Ltd. | 3510 |
17 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12642 |
17 |
| LG Chem, Ltd. | 17704 |
15 |
| Daicel Corporation | 2412 |
15 |
| Other owners | 1288 |