- All sections
- C - Chemistry; metallurgy
- C22C - Alloys
- C22C 1/08 - Alloys with open or closed pores
Patent holdings for IPC class C22C 1/08
Total number of patents in this class: 453
10-year publication summary
|
33
|
40
|
37
|
32
|
49
|
33
|
32
|
25
|
16
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 14131 |
47 |
| Mitsubishi Materials Corporation | 2378 |
41 |
| Chongqing Runze Pharmaceutical Co., Ltd. | 81 |
29 |
| Sumitomo Electric Toyama Co., Ltd. | 97 |
26 |
| Toho Titanium Co., Ltd. | 249 |
10 |
| Rtx Corporation | 8674 |
9 |
| Alantum Europe GmbH | 30 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
7 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
7 |
| Robert Bosch GmbH | 40953 |
6 |
| NTN Corporation | 5008 |
6 |
| Showa Denko K.K. | 2539 |
5 |
| Siemens AG | 24990 |
4 |
| Toyota Motor Corporation | 28582 |
4 |
| Meidensha Corporation | 823 |
4 |
| Graviton Co., Ltd. | 6 |
4 |
| Cellmo Materials Innovation, Inc. | 22 |
4 |
| LG Chem, Ltd. | 17205 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| The United States of America as represented by the Secretary of the Army | 1195 |
3 |
| Other owners | 223 |