- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/14 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
Patent holdings for IPC class C22F 1/14
Total number of patents in this class: 281
10-year publication summary
|
31
|
38
|
20
|
22
|
23
|
20
|
14
|
14
|
10
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tanaka Kikinzoku Kogyo K.K. | 584 |
49 |
| Mitsubishi Materials Corporation | 2438 |
17 |
| Nippon Micrometal Corporation | 150 |
8 |
| Argor-heraeus SA | 19 |
7 |
| Stuller, Inc. | 124 |
6 |
| Kyoto University | 2800 |
5 |
| Tokyo Institute of Technology | 1377 |
5 |
| Nippon Steel Chemical & Material Co., Ltd. | 646 |
5 |
| Canon Denshi Kabushiki Kaisha | 182 |
4 |
| Furuya Metal Co., Ltd. | 113 |
4 |
| Hee Sung Metal Ltd. | 40 |
4 |
| Heraeus Deutschland GmbH & Co. KG | 419 |
4 |
| Nippon Steel & Sumikin Materials Co., Ltd. | 77 |
4 |
| Tohoku University | 2776 |
4 |
| Tokushima University | 212 |
4 |
| Materion Newton Inc. | 66 |
4 |
| General Electric Company | 13762 |
3 |
| Deringer-Ney, Inc. | 25 |
3 |
| IHI Corporation | 3422 |
3 |
| Institute for Basic Science | 351 |
3 |
| Other owners | 135 |