- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 31/00 - Carbon; Compounds thereof
Patent holdings for IPC class C01B 31/00
Total number of patents in this class: 678
10-year publication summary
|
71
|
57
|
27
|
10
|
1
|
2
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
14 |
| BASF Corporation | 2039 |
13 |
| Honeywell International Inc. | 13799 |
12 |
| Dow Global Technologies LLC | 10147 |
9 |
| Global Graphene Group, Inc. | 246 |
9 |
| Johnson Matthey Public Limited Company | 1852 |
9 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1657 |
9 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
8 |
| Tsinghua University | 5426 |
8 |
| William Marsh Rice University | 937 |
8 |
| Umicore AG & Co. KG | 867 |
7 |
| Samsung SDI Co., Ltd. | 6671 |
6 |
| Heraeus Quarzglas GmbH & Co. KG | 420 |
6 |
| Nippon Oil Corporation | 340 |
6 |
| UCAR Carbon Company Inc. | 37 |
6 |
| Umicore Shokubai Japan Co., Ltd. | 78 |
6 |
| UT-Battelle, LLC | 1333 |
6 |
| The Regents of the University of California | 18943 |
5 |
| Sharp Corporation | 10015 |
5 |
| Industrial Technology Research Institute | 4898 |
5 |
| Other owners | 521 |