- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/847 - Vanadium, niobium or tantalum
Patent holdings for IPC class B01J 23/847
Total number of patents in this class: 293
10-year publication summary
|
23
|
18
|
14
|
17
|
13
|
20
|
17
|
15
|
14
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17967 |
30 |
| Johnson Matthey Public Limited Company | 1766 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 6134 |
8 |
| Treibacher Industrie AG | 68 |
7 |
| Arkema France | 4254 |
6 |
| IFP Energies Nouvelles | 3112 |
5 |
| BASF SE | 21328 |
4 |
| Chevron U.S.A. Inc. | 4166 |
4 |
| Korea Institute of Science and Technology | 2252 |
4 |
| Cataler Corporation | 575 |
4 |
| Korea Kumho Petrochemical Co., Ltd. | 196 |
4 |
| Mitsui Mining & Smelting Co., Ltd. | 1069 |
4 |
| Nanocyl S.A. | 34 |
4 |
| University of Yamanashi | 268 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3387 |
3 |
| Showa Denko K.K. | 2061 |
3 |
| Celanese International Corporation | 911 |
3 |
| The Chugoku Electric Power Co., Inc. | 512 |
3 |
| Japan Technological Research Association of Artificial Photosynthetic Chemical Process | 53 |
3 |
| NOVA Chemicals (International) S.A. | 801 |
3 |
| Other owners | 176 |