- All sections
- C - Chemistry; metallurgy
- 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: 2249
10-year publication summary
|
159
|
164
|
151
|
200
|
232
|
215
|
195
|
163
|
159
|
47
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Materials Corporation | 2378 |
57 |
| JX Nippon Mining & Metals Corporation | 1576 |
40 |
| True Velocity IP Holdings, LLC | 255 |
36 |
| Siemens AG | 24990 |
25 |
| Rtx Corporation | 8674 |
25 |
| SANYO Special Steel Co., Ltd. | 201 |
24 |
| General Electric Company | 18133 |
23 |
| Hitachi Metals, Ltd. | 2175 |
23 |
| Toshiba Materials Co., Ltd. | 600 |
23 |
| PLANSEE SE | 233 |
22 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
22 |
| A.L.M.T. Corp. | 209 |
21 |
| C-TEC Constellium Technology Center | 51 |
21 |
| Diamet Corporation | 93 |
21 |
| Toshiba Corporation | 12017 |
19 |
| Höganäs AB | 337 |
18 |
| Meidensha Corporation | 823 |
18 |
| Tanaka Kikinzoku Kogyo K.K. | 589 |
18 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
17 |
| HRL Laboratories, LLC | 1588 |
16 |
| Other owners | 1760 |