- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 5/02 - Alloys based on gold
Patent holdings for IPC class C22C 5/02
Total number of patents in this class: 389
10-year publication summary
|
33
|
27
|
24
|
29
|
30
|
23
|
16
|
14
|
14
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tanaka Kikinzoku Kogyo K.K. | 574 |
27 |
| Mitsubishi Materials Corporation | 2472 |
13 |
| The Swatch Group Research and Development Ltd | 878 |
11 |
| Seagate Technology LLC | 3960 |
10 |
| JX Nippon Mining & Metals Corporation | 1461 |
10 |
| Argor-heraeus SA | 22 |
9 |
| Kyoto University | 2904 |
8 |
| Nippon Micrometal Corporation | 154 |
7 |
| Sumitomo Metal Mining Co., Ltd. | 1974 |
7 |
| Massachusetts Institute of Technology | 10251 |
6 |
| Montres Breguet S.A. | 361 |
6 |
| Rolex S.A. | 725 |
6 |
| ERNI International AG | 26 |
5 |
| LeachGarner, Inc. | 23 |
5 |
| M. Technique Co., Ltd. | 252 |
5 |
| Nippon Steel Materials Co., Ltd. | 32 |
5 |
| Patek Philippe SA Geneve | 413 |
5 |
| Tanaka Denshi Kogyo K.K. | 40 |
5 |
| Tokyo Institute of Technology | 1312 |
5 |
| Shenzhen Profound-View Pharma Tech Co., Ltd | 13 |
5 |
| Other owners | 229 |