- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 21/04 - Casting aluminium or magnesium
Patent holdings for IPC class B22D 21/04
Total number of patents in this class: 386
10-year publication summary
|
35
|
33
|
25
|
25
|
18
|
26
|
23
|
19
|
18
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Korea Institute of Industrial Technology | 1007 |
16 |
| Alcoa Inc. | 298 |
11 |
| Terves, LLC | 54 |
11 |
| Alcoa USA Corp. | 193 |
10 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2906 |
10 |
| Nippon Light Metal Company, Ltd. | 652 |
10 |
| Novelis Inc. | 118 |
10 |
| Novelis Inc. | 704 |
10 |
| Sumitomo Electric Industries, Ltd. | 15015 |
9 |
| Korea Institute of Machinery & Materials | 722 |
8 |
| National University Corporation Kumamoto University | 385 |
7 |
| Nikkei MC Aluminium Co., Ltd. | 23 |
7 |
| UACJ Corporation | 664 |
7 |
| Korea Institute of Materials Science | 207 |
7 |
| Mazda Motor Corporation | 3073 |
5 |
| BYD Company Limited | 4374 |
5 |
| GM Global Technology Operations LLC | 14308 |
4 |
| Nissan Motor Co., Ltd. | 12365 |
4 |
| Arconic Inc. | 253 |
4 |
| Honda Motor Co., Ltd. | 24908 |
3 |
| Other owners | 228 |