- 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
|
36
|
33
|
27
|
24
|
27
|
29
|
23
|
15
|
14
|
12
|
| 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. | 570 |
27 |
| Mitsubishi Materials Corporation | 2472 |
12 |
| The Swatch Group Research and Development Ltd | 862 |
11 |
| Seagate Technology LLC | 3978 |
10 |
| JX Nippon Mining & Metals Corporation | 1479 |
10 |
| Argor-heraeus SA | 20 |
8 |
| Kyoto University | 2855 |
8 |
| Nippon Micrometal Corporation | 152 |
8 |
| Sumitomo Metal Mining Co., Ltd. | 1796 |
7 |
| Massachusetts Institute of Technology | 10143 |
6 |
| ERNI International AG | 27 |
6 |
| Montres Breguet S.A. | 351 |
6 |
| Nippon Steel Materials Co., Ltd. | 42 |
6 |
| Rolex S.A. | 687 |
6 |
| LeachGarner, Inc. | 23 |
5 |
| M. Technique Co., Ltd. | 250 |
5 |
| Tanaka Denshi Kogyo K.K. | 41 |
5 |
| Tokyo Institute of Technology | 1358 |
5 |
| Shenzhen Profound-View Pharma Tech Co., Ltd | 13 |
5 |
| Apple Inc. | 56283 |
4 |
| Other owners | 229 |