- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
Patent holdings for IPC class C22C 19/05
Total number of patents in this class: 2126
10-year publication summary
|
154
|
138
|
150
|
163
|
162
|
130
|
151
|
106
|
127
|
103
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1955 |
92 |
| Nippon Steel Corporation | 6526 |
80 |
| VDM Metals International GmbH | 105 |
56 |
| Siemens AG | 24323 |
55 |
| General Electric Company | 13827 |
54 |
| Siemens Energy Global GmbH & Co. KG | 3096 |
53 |
| GE Infrastructure Technology, LLC | 6196 |
52 |
| Rtx Corporation | 9611 |
49 |
| Safran Aircraft Engines | 6420 |
41 |
| Siemens Energy, Inc. | 1703 |
38 |
| Proterial, Ltd. | 887 |
38 |
| National Institute for Materials Science | 1092 |
37 |
| SAFRAN S.A. | 631 |
35 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
34 |
| Haynes International, Inc. | 99 |
28 |
| Mitsubishi Heavy Industries, Ltd. | 8910 |
27 |
| Mitsubishi Power, Ltd. | 1810 |
27 |
| ATI Properties LLC | 203 |
25 |
| Daido Steel Co., Ltd. | 275 |
23 |
| IHI Corporation | 3469 |
23 |
| Other owners | 1259 |