- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 19/03 - Alloys based on nickel or cobalt based on nickel
Patent holdings for IPC class C22C 19/03
Total number of patents in this class: 1244
10-year publication summary
|
94
|
98
|
104
|
74
|
82
|
67
|
90
|
48
|
70
|
56
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6526 |
38 |
| JX Nippon Mining & Metals Corporation | 1479 |
28 |
| Sumitomo Electric Industries, Ltd. | 15802 |
27 |
| Rtx Corporation | 9611 |
20 |
| Hitachi Metals, Ltd. | 1955 |
18 |
| JFE Steel Corporation | 7090 |
18 |
| Osaka Prefecture University Public Corporation | 238 |
15 |
| SANYO Special Steel Co., Ltd. | 233 |
14 |
| Denso Corporation | 24818 |
13 |
| TDK Corporation | 6750 |
12 |
| Sumitomo Metal Mining Co., Ltd. | 1795 |
12 |
| General Electric Company | 13827 |
10 |
| Murata Manufacturing Co., Ltd. | 25037 |
10 |
| W. L. Gore & Associates, Inc. | 2727 |
10 |
| Seagate Technology LLC | 3977 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
9 |
| Cook Medical Technologies LLC | 3221 |
9 |
| Diamet Corporation | 93 |
9 |
| Proterial, Ltd. | 887 |
9 |
| Abbott Laboratories | 2355 |
8 |
| Other owners | 946 |