- 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 9/04 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
Patent holdings for IPC class B22F 9/04
Total number of patents in this class: 1283
10-year publication summary
|
91
|
136
|
121
|
126
|
122
|
107
|
108
|
110
|
118
|
48
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6306 |
37 |
| Hitachi Metals, Ltd. | 2175 |
35 |
| Pukyong National University Industry-University Cooperation Foundation | 254 |
17 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
15 |
| Murata Manufacturing Co., Ltd. | 22355 |
14 |
| Fujian Golden Dragon Rare-earth Co., Ltd. | 39 |
13 |
| Toshiba Corporation | 12017 |
12 |
| 6K Inc | 132 |
12 |
| The Boeing Company | 19843 |
11 |
| Santoku Corporation | 85 |
11 |
| Sumitomo Electric Industries, Ltd. | 14131 |
10 |
| Showa Denko K.K. | 2539 |
10 |
| JX Nippon Mining & Metals Corporation | 1576 |
10 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 47 |
10 |
| Proterial, Ltd. | 638 |
10 |
| Toyota Motor Corporation | 28582 |
9 |
| The United States of America as represented by the Secretary of the Army | 1195 |
9 |
| Central South University | 364 |
9 |
| Regents of the University of Minnesota | 2620 |
9 |
| Yantai Dongxing Magnetic Materials Inc. | 29 |
9 |
| Other owners | 1011 |