- All sections
- C - Chemistry; metallurgy
- 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: 611
10-year publication summary
|
52
|
53
|
55
|
52
|
50
|
44
|
36
|
47
|
27
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JX Nippon Mining & Metals Corporation | 1576 |
40 |
| Hitachi Metals, Ltd. | 2175 |
26 |
| Mitsubishi Materials Corporation | 2378 |
26 |
| Proterial, Ltd. | 638 |
21 |
| Nissan Motor Co., Ltd. | 12249 |
18 |
| TDK Corporation | 6306 |
16 |
| Iowa State University Research Foundation, Inc. | 685 |
13 |
| Senju Metal Industry Co., Ltd. | 654 |
11 |
| Central Glass Company, Limited | 1244 |
9 |
| Nippon Mining & Metals Co., Ltd. | 161 |
8 |
| Seagate Technology LLC | 4228 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| Massachusetts Institute of Technology | 9795 |
7 |
| Antaya Technologies Corporation | 36 |
7 |
| Wuhan University of Technology | 159 |
7 |
| Hitachi Chemical Company, Ltd. | 2455 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
6 |
| Noveon Magnetics Inc. | 36 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| The Regents of the University of California | 18943 |
5 |
| Other owners | 360 |