- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/318 - Preparation characterised by the starting materials
Patent holdings for IPC class C01B 32/318
Total number of patents in this class: 252
10-year publication summary
|
1
|
5
|
11
|
14
|
26
|
38
|
57
|
33
|
44
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 185 |
35 |
| Kuraray Co., Ltd. | 3392 |
30 |
| Stora Enso Oyj | 1504 |
11 |
| Sony Corporation | 32931 |
9 |
| Toyo Tanso Co., Ltd. | 227 |
5 |
| Torrgas Technology B.V. | 14 |
5 |
| Lawrence Livermore National Security, LLC | 1834 |
4 |
| BASF SE | 19740 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| Nippon Paper Industries Co., Ltd. | 782 |
3 |
| DESOTEC, naamloze vennootschap | 32 |
3 |
| BSH Hausgeräte GmbH | 5384 |
2 |
| Farad Power, Inc. | 11 |
2 |
| The Governors of the University of Alberta | 869 |
2 |
| Kansai Coke and Chemicals Co., Ltd. | 31 |
2 |
| Korea Research Institute of Chemical Technology | 1266 |
2 |
| Living Ink Technologies, LLC | 7 |
2 |
| MC Evolve Technologies Corporation | 8 |
2 |
| National University Corporation Gunma University | 306 |
2 |
| Nisshinbo Holdings Inc. | 333 |
2 |
| Other owners | 123 |