- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/26 - Preparation
Patent holdings for IPC class C01B 32/26
Total number of patents in this class: 218
10-year publication summary
|
1
|
8
|
20
|
18
|
25
|
30
|
30
|
33
|
22
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15557 |
31 |
| Daicel Corporation | 2370 |
27 |
| Impossible Diamond, Inc. | 18 |
5 |
| Schlumberger Canada Limited | 7350 |
4 |
| Sumitomo Electric Hardmetal Corp. | 1030 |
4 |
| Applied Materials, Inc. | 18792 |
4 |
| Lockheed Martin Corporation | 3275 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
4 |
| West Virginia University Research Corporation | 17 |
4 |
| Carbon Holdings Intellectual Properties, LLC | 59 |
4 |
| Schlumberger Technology Corporation | 10820 |
3 |
| A.L.M.T. Corp. | 233 |
3 |
| Kyushu Institute of Technology | 291 |
3 |
| The Texas a & M University System | 1718 |
3 |
| IIA Technologies Pte. Ltd. | 14 |
3 |
| Schlumberger Technology B.v. | 5181 |
2 |
| Lawrence Livermore National Security, LLC | 1942 |
2 |
| AKHAN Semiconductor, Inc. | 50 |
2 |
| Czero, Inc. | 41 |
2 |
| Element Six Technologies Limited | 194 |
2 |
| Other owners | 102 |