- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 31/06 - Diamond
Patent holdings for IPC class C01B 31/06
Total number of patents in this class: 275
10-year publication summary
|
45
|
13
|
3
|
3
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15483 |
26 |
| Element Six Technologies Limited | 193 |
12 |
| Baker Hughes Incorporated | 5247 |
11 |
| Diamond Innovations, Inc. | 236 |
10 |
| Carbodeon Ltd Oy | 27 |
8 |
| Sumitomo Electric Hardmetal Corp. | 1021 |
7 |
| Smith International, Inc. | 717 |
7 |
| Element Six Abrasives S.A. | 147 |
7 |
| Baker Hughes Holdings LLC | 3007 |
7 |
| National Institute of Advanced Industrial Science and Technology | 3803 |
6 |
| Element Six Limited | 77 |
5 |
| ILJIN Diamond Co., Ltd. | 36 |
5 |
| US Synthetic Corporation | 624 |
5 |
| Carnegie Institution of Washington | 66 |
4 |
| Central Glass Company, Limited | 1265 |
4 |
| Element Six Limited | 13 |
4 |
| Japan Science and Technology Agency | 1323 |
3 |
| Drexel University | 988 |
3 |
| Element Six Limited | 119 |
3 |
| Namiki Seimitsu Houseki Kabushiki Kaisha | 150 |
3 |
| Other owners | 135 |