- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/26 - Preparation
Patent holdings for IPC class C01B 32/26
Total number of patents in this class: 204
10-year publication summary
|
2
|
9
|
20
|
18
|
29
|
31
|
30
|
33
|
22
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 14929 |
28 |
| Daicel Corporation | 2239 |
27 |
| Impossible Diamond, Inc. | 19 |
5 |
| Sumitomo Electric Hardmetal Corp. | 1006 |
4 |
| Applied Materials, Inc. | 17696 |
4 |
| Lockheed Martin Corporation | 3303 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3730 |
4 |
| West Virginia University Research Corporation | 20 |
4 |
| Schlumberger Technology Corporation | 10228 |
3 |
| Kyushu Institute of Technology | 302 |
3 |
| The Texas a & M University System | 1591 |
3 |
| IIA Technologies Pte. Ltd. | 15 |
3 |
| Carbon Holdings Intellectual Properties, LLC | 49 |
3 |
| Schlumberger Canada Limited | 7143 |
2 |
| Schlumberger Technology B.v. | 5064 |
2 |
| Lawrence Livermore National Security, LLC | 1879 |
2 |
| AKHAN Semiconductor, Inc. | 46 |
2 |
| Czero, Inc. | 34 |
2 |
| Ecotricity Group Limited | 25 |
2 |
| Element Six Technologies Limited | 188 |
2 |
| Other owners | 95 |