- 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: 630
10-year publication summary
|
53
|
55
|
52
|
51
|
44
|
36
|
48
|
27
|
27
|
10
|
| 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 | 1510 |
40 |
| Hitachi Metals, Ltd. | 1999 |
26 |
| Mitsubishi Materials Corporation | 2415 |
26 |
| Proterial, Ltd. | 801 |
20 |
| Nissan Motor Co., Ltd. | 12316 |
18 |
| TDK Corporation | 6614 |
15 |
| Iowa State University Research Foundation, Inc. | 750 |
13 |
| Senju Metal Industry Co., Ltd. | 675 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 30429 |
8 |
| Central Glass Company, Limited | 1259 |
8 |
| Seagate Technology LLC | 3978 |
7 |
| Massachusetts Institute of Technology | 9931 |
7 |
| Antaya Technologies Corporation | 33 |
7 |
| Wuhan University of Technology | 181 |
7 |
| The Regents of the University of California | 19661 |
6 |
| Hitachi Chemical Company, Ltd. | 2373 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3756 |
6 |
| Nippon Mining & Metals Co., Ltd. | 129 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12931 |
6 |
| Noveon Magnetics Inc. | 36 |
6 |
| Other owners | 381 |