- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
Patent holdings for IPC class C22C 21/02
Total number of patents in this class: 1863
10-year publication summary
|
159
|
165
|
164
|
133
|
122
|
134
|
127
|
169
|
159
|
84
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UACJ Corporation | 695 |
99 |
| Novelis Inc. | 751 |
81 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2874 |
54 |
| Nippon Light Metal Company, Ltd. | 661 |
54 |
| Constellium Neuf-brisach | 136 |
53 |
| Nippon Steel Corporation | 6255 |
42 |
| Arconic Technologies LLC | 337 |
38 |
| ArcelorMittal | 2289 |
37 |
| The Furukawa Electric Co., Ltd. | 3652 |
36 |
| Resonac Corporation | 2815 |
27 |
| Aleris Rolled Products Germany GmbH | 62 |
23 |
| POSCO Co., Ltd. | 1568 |
23 |
| GM Global Technology Operations LLC | 15062 |
22 |
| Showa Denko K.K. | 2226 |
22 |
| Novelis Koblenz GmbH | 86 |
22 |
| BYD Company Limited | 5018 |
18 |
| Federal-Mogul Nurnberg GmbH | 134 |
17 |
| Furukawa Automotive Systems Inc. | 589 |
17 |
| Rio Tinto ALCAN International Limited | 217 |
17 |
| ThyssenKrupp Steel Europe AG | 955 |
17 |
| Other owners | 1144 |