- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/02 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
Patent holdings for IPC class C22F 1/02
Total number of patents in this class: 296
10-year publication summary
|
10
|
23
|
18
|
20
|
20
|
19
|
22
|
21
|
17
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JX Nippon Mining & Metals Corporation | 1459 |
14 |
| Mitsubishi Materials Corporation | 2476 |
13 |
| Novelis Inc. | 781 |
11 |
| Nippon Steel Corporation | 6919 |
9 |
| Sumitomo Electric Industries, Ltd. | 16412 |
8 |
| Sumitomo Electric Toyama Co., Ltd. | 113 |
8 |
| Sumitomo Wiring Systems, Ltd. | 11084 |
5 |
| The Furukawa Electric Co., Ltd. | 3698 |
5 |
| AutoNetworks Technologies, Ltd. | 7164 |
5 |
| Canon Denshi Kabushiki Kaisha | 182 |
4 |
| Santoku Corporation | 82 |
4 |
| University of Utah Research Foundation | 1864 |
4 |
| Casio Computer Co., Ltd. | 3493 |
3 |
| Airbus Defence and Space GmbH | 875 |
3 |
| Ducommun Aerostructures, Inc. | 6 |
3 |
| Kurimoto, Ltd. | 89 |
3 |
| Mirus LLC | 251 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
3 |
| Sumitomo Metal Industries, Ltd. | 312 |
3 |
| Siemens AG | 23996 |
2 |
| Other owners | 183 |