- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 33/00 - Silicon; Compounds thereof
Patent holdings for IPC class C01B 33/00
Total number of patents in this class: 347
10-year publication summary
|
28
|
21
|
18
|
5
|
22
|
14
|
17
|
14
|
13
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Corporation | 2039 |
12 |
| Johnson Matthey Public Limited Company | 1852 |
10 |
| Umicore | 542 |
7 |
| Umicore AG & Co. KG | 867 |
7 |
| Evonik Degussa GmbH | 1574 |
6 |
| Umicore Shokubai Japan Co., Ltd. | 78 |
6 |
| Wacker Chemie AG | 2091 |
6 |
| Nexeon Limited | 130 |
5 |
| Corner Star Limited | 95 |
5 |
| Quantumscape Battery, Inc. | 168 |
5 |
| BASF SE | 19740 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| Hydro-Quebec | 637 |
4 |
| Nalco Company | 620 |
4 |
| Tokyo Institute of Technology | 1367 |
4 |
| Evonik Operations GmbH | 3879 |
4 |
| Aspen Aerogels, Inc. | 217 |
3 |
| Carnegie Institution of Washington | 74 |
3 |
| Cataler Corporation | 533 |
3 |
| Other owners | 241 |