- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 27/06 - Alloys based on chromium
Patent holdings for IPC class C22C 27/06
Total number of patents in this class: 256
10-year publication summary
|
27
|
32
|
20
|
20
|
18
|
7
|
13
|
16
|
11
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meidensha Corporation | 904 |
18 |
| Hitachi, Ltd. | 15692 |
14 |
| Massachusetts Institute of Technology | 10143 |
9 |
| SANYO Special Steel Co., Ltd. | 230 |
9 |
| JX Nippon Mining & Metals Corporation | 1479 |
8 |
| Abbott Cardiovascular Systems, Inc. | 1111 |
7 |
| Hitachi Metals, Ltd. | 1957 |
7 |
| Seagate Technology LLC | 3978 |
7 |
| PLANSEE SE | 230 |
7 |
| Bloom Energy Corporation | 667 |
6 |
| Cougar Creek Technologies, LLC | 23 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5784 |
4 |
| NGK Insulators, Ltd. | 5144 |
4 |
| Rtx Corporation | 9596 |
4 |
| General Electric Company | 13840 |
3 |
| Centre National de La Recherche Scientifique | 10693 |
3 |
| JFE Material Co., Ltd. | 13 |
3 |
| JFE Precision Corporation | 13 |
3 |
| Kubota Corporation | 4050 |
3 |
| Mitsubishi Materials Corporation | 2472 |
3 |
| Other owners | 128 |