- 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: 279
10-year publication summary
|
22
|
19
|
17
|
28
|
17
|
11
|
17
|
14
|
33
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6476 |
16 |
| JX Nippon Mining & Metals Corporation | 1479 |
13 |
| Proterial, Ltd. | 878 |
10 |
| National Institute for Materials Science | 1100 |
8 |
| Tohoku University | 2839 |
8 |
| Materion Corporation | 312 |
7 |
| Hitachi Metals, Ltd. | 1960 |
5 |
| Aperam | 127 |
5 |
| Toyota Motor Corporation | 33378 |
4 |
| Sumitomo Electric Industries, Ltd. | 15750 |
4 |
| ATI Properties, Inc. | 88 |
4 |
| Ningbo Powerway Alloy Material Co., Ltd. | 33 |
4 |
| Senju Metal Industry Co., Ltd. | 686 |
4 |
| General Electric Company | 13861 |
3 |
| TDK Corporation | 6887 |
3 |
| Northwestern University | 3450 |
3 |
| Korea Institute of Machinery & Materials | 757 |
3 |
| Mitsubishi Materials Corporation | 2472 |
3 |
| POSTECH Academy-industry Foundation | 1086 |
3 |
| Tokuriki Honten Co., Ltd. | 22 |
3 |
| Other owners | 166 |