- 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 1/00 - Metallic powder; Treatment 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: 5784
10-year publication summary
|
472
|
578
|
609
|
627
|
621
|
507
|
476
|
304
|
179
|
57
|
| 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 |
153 |
| Hitachi Metals, Ltd. | 2175 |
112 |
| Mitsubishi Materials Corporation | 2378 |
103 |
| JFE Steel Corporation | 6067 |
95 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
80 |
| Sumitomo Electric Industries, Ltd. | 14131 |
71 |
| Murata Manufacturing Co., Ltd. | 22355 |
64 |
| SANYO Special Steel Co., Ltd. | 201 |
64 |
| Höganäs AB | 337 |
61 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
58 |
| TDK Corporation | 6306 |
57 |
| NTN Corporation | 5008 |
48 |
| JX Nippon Mining & Metals Corporation | 1576 |
47 |
| Senju Metal Industry Co., Ltd. | 654 |
40 |
| Rtx Corporation | 8674 |
38 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
37 |
| Tanaka Kikinzoku Kogyo K.K. | 589 |
37 |
| BASF SE | 19740 |
35 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
33 |
| Seiko Epson Corporation | 18724 |
32 |
| Other owners | 4519 |