- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/32 - Manganese, technetium or rhenium
Patent holdings for IPC class B01J 23/32
Total number of patents in this class: 108
10-year publication summary
|
8
|
5
|
3
|
3
|
5
|
2
|
2
|
7
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Clean Diesel Technologies, Inc. | 67 |
5 |
| Clariant International Ltd. | 933 |
4 |
| Saudi Arabian Oil Company | 12858 |
4 |
| SMH Co., Ltd | 21 |
4 |
| Siemens AG | 24561 |
3 |
| Johnson Matthey Public Limited Company | 1862 |
3 |
| NOVA Chemicals (International) S.A. | 770 |
3 |
| Tronox LLC | 161 |
3 |
| Nissan Motor Co., Ltd. | 12381 |
2 |
| Sumitomo Chemical Company, Limited | 9009 |
2 |
| Saudi Basic Industries Corporation | 573 |
2 |
| The Furukawa Electric Co., Ltd. | 3627 |
2 |
| Aramco Services Company | 3910 |
2 |
| The Board of Trustees of the University of Alabama | 402 |
2 |
| Clean Diesel Technologies, Inc. (cdti) | 11 |
2 |
| Emerging Fuels Technology, Inc. | 33 |
2 |
| Korea Kumho Petrochemical Co., Ltd. | 190 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3438 |
2 |
| National University Corporation Hokkaido University | 1337 |
2 |
| Oxford University Innovation Limited | 1501 |
2 |
| Other owners | 55 |