- All sections
- B - Performing operations; transporting
- B22F - Working metallic powder; manufacture of articles from metallic powder; making metallic powder; apparatus 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: 1876
10-year publication summary
|
171
|
172
|
200
|
224
|
157
|
128
|
141
|
36
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dowa Electronics Materials Co., Ltd. | 610 |
87 |
| Sumitomo Electric Industries, Ltd. | 14131 |
36 |
| Senju Metal Industry Co., Ltd. | 654 |
34 |
| Hitachi Metals, Ltd. | 2175 |
30 |
| Mitsubishi Materials Corporation | 2378 |
26 |
| JFE Steel Corporation | 6067 |
25 |
| Höganäs AB | 337 |
24 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
24 |
| Sekisui Chemical Co., Ltd. | 3159 |
23 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
23 |
| Murata Manufacturing Co., Ltd. | 22355 |
22 |
| TDK Corporation | 6306 |
20 |
| JX Nippon Mining & Metals Corporation | 1576 |
19 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
19 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
18 |
| Rtx Corporation | 8674 |
18 |
| NTN Corporation | 5008 |
17 |
| Bando Chemical Industries, Ltd. | 570 |
17 |
| Baker Hughes Incorporated | 5689 |
16 |
| LG Chem, Ltd. | 17205 |
16 |
| Other owners | 1362 |