- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 38/46 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
Patent holdings for IPC class C22C 38/46
Total number of patents in this class: 2164
10-year publication summary
|
189
|
191
|
211
|
197
|
182
|
234
|
210
|
161
|
166
|
102
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6843 |
302 |
| JFE Steel Corporation | 7508 |
230 |
| ArcelorMittal | 2663 |
121 |
| POSCO Co., Ltd. | 2006 |
116 |
| POSCO | 2147 |
65 |
| Baoshan Iron & Steel Co., Ltd. | 1101 |
63 |
| NIPPON STEEL Stainless Steel Corporation | 277 |
50 |
| Daido Steel Co., Ltd. | 284 |
33 |
| Nanjing Iron&Steel Co.,Ltd. | 186 |
32 |
| Hyundai Steel Company | 529 |
29 |
| ThyssenKrupp Steel Europe AG | 989 |
25 |
| Hyundai Motor Company | 24602 |
17 |
| Jiangsu Shagang Group Co., Ltd. | 112 |
17 |
| ThyssenKrupp AG | 3423 |
16 |
| Voestalpine Stahl GmbH | 389 |
16 |
| Uddeholms Aktiebolag | 205 |
15 |
| CRS Holdings, LLC | 148 |
15 |
| Kobe Steel, Ltd. | 899 |
14 |
| Nippon Steel & Sumikin Stainless Steel Corporation | 157 |
14 |
| voestalpine Böhler Edelstahl GmbH & Co KG | 65 |
14 |
| Other owners | 960 |