- All sections
- C - Chemistry; metallurgy
- 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: 271
10-year publication summary
|
15
|
10
|
23
|
18
|
20
|
20
|
18
|
19
|
21
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JX Nippon Mining & Metals Corporation | 1524 |
14 |
| Mitsubishi Materials Corporation | 2406 |
13 |
| Novelis Inc. | 705 |
10 |
| Sumitomo Electric Industries, Ltd. | 14972 |
8 |
| Nippon Steel Corporation | 6012 |
8 |
| Sumitomo Electric Toyama Co., Ltd. | 102 |
8 |
| The Furukawa Electric Co., Ltd. | 3600 |
6 |
| Sumitomo Wiring Systems, Ltd. | 10016 |
5 |
| AutoNetworks Technologies, Ltd. | 6329 |
5 |
| Canon Denshi Kabushiki Kaisha | 179 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3736 |
3 |
| Airbus Defence and Space GmbH | 873 |
3 |
| Ducommun Aerostructures, Inc. | 7 |
3 |
| GS Yuasa Corporation | 79 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2906 |
3 |
| Kurimoto, Ltd. | 91 |
3 |
| National Institute for Materials Science | 1108 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
3 |
| Santoku Corporation | 84 |
3 |
| Sumitomo Metal Industries, Ltd. | 419 |
3 |
| Other owners | 160 |