- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/336 - Preparation characterised by gaseous activating agents
Patent holdings for IPC class C01B 32/336
Total number of patents in this class: 228
10-year publication summary
|
7
|
11
|
19
|
18
|
42
|
28
|
39
|
19
|
24
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3392 |
26 |
| Carbon Holdings Intellectual Properties, LLC | 41 |
10 |
| Sony Corporation | 32931 |
8 |
| Group14 Technologies, Inc. | 73 |
8 |
| Carbon Technology Holdings, LLC | 185 |
8 |
| Unitika Ltd. | 441 |
7 |
| Ad'all Co., Ltd. | 9 |
7 |
| Osaka Gas Chemicals Co., Ltd. | 113 |
6 |
| Lawrence Livermore National Security, LLC | 1834 |
5 |
| Dexerials Corporation | 1826 |
4 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| Farad Power, Inc. | 11 |
3 |
| National University Corporation Gunma University | 306 |
3 |
| Vapo Oy | 9 |
3 |
| Baek Clinical Inc. | 27 |
3 |
| Aries Clean Technologies, LLC | 21 |
3 |
| BASF SE | 19740 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Georgia-Pacific Chemicals LLC | 204 |
2 |
| AION Co., Ltd. | 30 |
2 |
| Other owners | 113 |