- All sections
- C - Chemistry; metallurgy
- 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: 1185
10-year publication summary
|
109
|
96
|
104
|
106
|
75
|
89
|
69
|
90
|
43
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5649 |
30 |
| JX Nippon Mining & Metals Corporation | 1576 |
28 |
| Sumitomo Electric Industries, Ltd. | 14131 |
27 |
| Rtx Corporation | 8674 |
20 |
| Hitachi Metals, Ltd. | 2175 |
18 |
| Osaka Prefecture University Public Corporation | 252 |
18 |
| JFE Steel Corporation | 6067 |
15 |
| SANYO Special Steel Co., Ltd. | 201 |
14 |
| Denso Corporation | 23338 |
13 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
12 |
| General Electric Company | 18133 |
11 |
| TDK Corporation | 6306 |
11 |
| Mitsubishi Materials Corporation | 2378 |
11 |
| Murata Manufacturing Co., Ltd. | 22355 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
10 |
| Cook Medical Technologies LLC | 3369 |
10 |
| Seagate Technology LLC | 4228 |
9 |
| W. L. Gore & Associates, Inc. | 2600 |
9 |
| Diamet Corporation | 93 |
9 |
| GS Yuasa International Ltd. | 1834 |
9 |
| Other owners | 891 |