- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 28/00 - Alloys based on a metal not provided for in groups
Patent holdings for IPC class C22C 28/00
Total number of patents in this class: 638
10-year publication summary
|
53
|
55
|
52
|
50
|
44
|
36
|
49
|
27
|
27
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JX Nippon Mining & Metals Corporation | 1487 |
40 |
| Hitachi Metals, Ltd. | 1976 |
26 |
| Mitsubishi Materials Corporation | 2453 |
25 |
| Proterial, Ltd. | 860 |
21 |
| Nissan Motor Co., Ltd. | 12518 |
18 |
| TDK Corporation | 6796 |
15 |
| Iowa State University Research Foundation, Inc. | 784 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
8 |
| Central Glass Company, Limited | 1271 |
8 |
| Senju Metal Industry Co., Ltd. | 686 |
8 |
| Seagate Technology LLC | 3969 |
7 |
| Massachusetts Institute of Technology | 10093 |
7 |
| Wuhan University of Technology | 191 |
7 |
| The Regents of the University of California | 20035 |
6 |
| Hitachi Chemical Company, Ltd. | 2342 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3797 |
6 |
| Antaya Technologies Corporation | 32 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12760 |
6 |
| Noveon Magnetics Inc. | 36 |
6 |
| Samsung Electronics Co., Ltd. | 147334 |
5 |
| Other owners | 394 |