- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 9/10 - Alloys based on copper with silicon as the next major constituent
Patent holdings for IPC class C22C 9/10
Total number of patents in this class: 235
10-year publication summary
|
17
|
17
|
9
|
13
|
8
|
2
|
7
|
7
|
6
|
3
|
| 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 | 1461 |
49 |
| The Furukawa Electric Co., Ltd. | 3701 |
43 |
| Mitsubishi Materials Corporation | 2468 |
15 |
| Dowa Metaltech Co., Ltd. | 174 |
10 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
10 |
| Seagate Technology LLC | 3963 |
7 |
| Meidensha Corporation | 932 |
6 |
| Mitsui Mining & Smelting Co., Ltd. | 1100 |
6 |
| Nippon Mining & Metals Co., Ltd. | 88 |
5 |
| Daido Metal Company Ltd. | 247 |
4 |
| Daihen Corporation | 498 |
4 |
| Fukuda Metal Foil & Powder Co., Ltd. | 90 |
4 |
| Nippon Steel Corporation | 6843 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
4 |
| SANYO Special Steel Co., Ltd. | 246 |
4 |
| Osaka Research Institute of Industrial Science and Technology | 82 |
4 |
| Nissan Motor Co., Ltd. | 12947 |
3 |
| Furukawa Automotive Systems Inc. | 604 |
3 |
| Wieland-Werke AG | 353 |
3 |
| NGK Insulators, Ltd. | 5232 |
2 |
| Other owners | 45 |