- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 1/04 - Making non-ferrous alloys by powder metallurgy
Patent holdings for IPC class C22C 1/04
Total number of patents in this class: 2473
10-year publication summary
|
163
|
150
|
200
|
233
|
217
|
200
|
172
|
160
|
139
|
112
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Materials Corporation | 2469 |
56 |
| JX Nippon Mining & Metals Corporation | 1485 |
38 |
| True Velocity IP Holdings, Inc. | 247 |
36 |
| Siemens Energy Global GmbH & Co. KG | 3026 |
29 |
| C-TEC Constellium Technology Center | 62 |
26 |
| Toshiba Materials Co., Ltd. | 654 |
26 |
| Rtx Corporation | 9461 |
26 |
| Siemens AG | 24352 |
25 |
| A.L.M.T. Corp. | 234 |
25 |
| SANYO Special Steel Co., Ltd. | 227 |
25 |
| General Electric Company | 13858 |
24 |
| PLANSEE SE | 232 |
24 |
| Hitachi Metals, Ltd. | 1971 |
23 |
| Toshiba Corporation | 12500 |
21 |
| Diamet Corporation | 94 |
21 |
| Höganäs AB | 307 |
19 |
| Safran Aircraft Engines | 6316 |
19 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6261 |
19 |
| GKN Sinter Metals, LLC | 109 |
18 |
| Meidensha Corporation | 903 |
18 |
| Other owners | 1955 |