- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 9/01 - Alloys based on copper with aluminium as the next major constituent
Patent holdings for IPC class C22C 9/01
Total number of patents in this class: 314
10-year publication summary
|
29
|
22
|
21
|
15
|
6
|
6
|
18
|
10
|
4
|
2
|
| 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 | 1470 |
36 |
| Mitsubishi Materials Corporation | 2461 |
29 |
| The Furukawa Electric Co., Ltd. | 3700 |
15 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2832 |
14 |
| Furukawa Techno Material Co., Ltd. | 29 |
10 |
| Tohoku University | 2893 |
10 |
| Murata Manufacturing Co., Ltd. | 25455 |
7 |
| Massachusetts Institute of Technology | 10185 |
7 |
| NTN Corporation | 4942 |
7 |
| Sumitomo Electric Industries, Ltd. | 16050 |
6 |
| Sumitomo Wiring Systems, Ltd. | 10749 |
5 |
| AutoNetworks Technologies, Ltd. | 6906 |
5 |
| Denka Company Limited | 2690 |
5 |
| Nippon Mining & Metals Co., Ltd. | 96 |
5 |
| Fukuda Metal Foil & Powder Co., Ltd. | 81 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
4 |
| Ormco Corporation | 233 |
4 |
| ULVAC, Inc. | 1368 |
4 |
| Robert Bosch GmbH | 43504 |
3 |
| NGK Insulators, Ltd. | 5171 |
3 |
| Other owners | 131 |