- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/25 - Diamond
Patent holdings for IPC class C01B 32/25
Total number of patents in this class: 238
10-year publication summary
|
34
|
31
|
24
|
26
|
28
|
24
|
18
|
21
|
8
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16396 |
38 |
| Sumitomo Electric Hardmetal Corp. | 1102 |
15 |
| Daicel Corporation | 2544 |
9 |
| Element Six Technologies Limited | 207 |
7 |
| West Virginia University Research Corporation | 17 |
6 |
| Impossible Diamond, Inc. | 17 |
6 |
| Diamond Innovations, Inc. | 235 |
5 |
| North Carolina State University | 1594 |
5 |
| SF Diamond Co.,Ltd. | 32 |
5 |
| Baker Hughes Holdings LLC | 3023 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11126 |
4 |
| UChicago Argonne, LLC | 950 |
4 |
| The University of Chicago | 1492 |
4 |
| Eagle Technology, LLC | 402 |
4 |
| Applied Materials, Inc. | 20438 |
3 |
| Carbodeon Ltd Oy | 26 |
3 |
| Element Six Limited | 118 |
3 |
| Yanshan University | 157 |
3 |
| Samsung Electronics Co., Ltd. | 158156 |
2 |
| The Regents of the University of California | 20790 |
2 |
| Other owners | 105 |