- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/16 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
Patent holdings for IPC class C22F 1/16
Total number of patents in this class: 298
10-year publication summary
|
19
|
18
|
29
|
19
|
12
|
17
|
14
|
33
|
30
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6982 |
26 |
| JX Nippon Mining & Metals Corporation | 1454 |
13 |
| Proterial, Ltd. | 952 |
13 |
| National Institute for Materials Science | 1088 |
8 |
| Tohoku University | 3034 |
8 |
| Materion Corporation | 324 |
7 |
| Aperam | 143 |
6 |
| Hitachi Metals, Ltd. | 1822 |
5 |
| Toyota Motor Corporation | 36159 |
4 |
| Sumitomo Electric Industries, Ltd. | 16368 |
4 |
| Ningbo Powerway Alloy Material Co., Ltd. | 28 |
4 |
| Senju Metal Industry Co., Ltd. | 689 |
4 |
| General Electric Company | 13982 |
3 |
| TDK Corporation | 6992 |
3 |
| Northwestern University | 3570 |
3 |
| ATI Properties, Inc. | 80 |
3 |
| Korea Institute of Machinery & Materials | 801 |
3 |
| Mitsubishi Materials Corporation | 2482 |
3 |
| Nippon Yakin Kogyo Co., Ltd. | 74 |
3 |
| POSTECH Academy-industry Foundation | 1066 |
3 |
| Other owners | 172 |