- All sections
- C - Chemistry; metallurgy
- 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: 236
10-year publication summary
|
25
|
14
|
17
|
17
|
9
|
13
|
8
|
2
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JX Nippon Mining & Metals Corporation | 1576 |
49 |
| The Furukawa Electric Co., Ltd. | 3486 |
42 |
| Mitsubishi Materials Corporation | 2378 |
12 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
11 |
| Dowa Metaltech Co., Ltd. | 150 |
10 |
| Seagate Technology LLC | 4228 |
7 |
| Meidensha Corporation | 823 |
6 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
6 |
| Nippon Mining & Metals Co., Ltd. | 161 |
5 |
| Daido Metal Company Ltd. | 228 |
4 |
| Daihen Corporation | 435 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
4 |
| Osaka Research Institute of Industrial Science and Technology | 75 |
4 |
| Nissan Motor Co., Ltd. | 12249 |
3 |
| Federal-Mogul Wiesbaden GmbH & Co. KG | 22 |
3 |
| Fukuda Metal Foil & Powder Co., Ltd. | 66 |
3 |
| Furukawa Automotive Systems Inc. | 558 |
3 |
| National Institute for Materials Science | 1108 |
3 |
| Nippon Steel Corporation | 5649 |
3 |
| SANYO Special Steel Co., Ltd. | 201 |
3 |
| Other owners | 51 |