- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/58 - Platinum group metals with alkali- or alkaline earth metals or beryllium
Patent holdings for IPC class B01J 23/58
Total number of patents in this class: 797
10-year publication summary
|
46
|
38
|
51
|
41
|
39
|
34
|
30
|
42
|
29
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1771 |
69 |
| Cataler Corporation | 576 |
44 |
| Umicore AG & Co. KG | 862 |
31 |
| BASF SE | 21087 |
22 |
| Tokyo Institute of Technology | 1358 |
20 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12671 |
20 |
| BASF Mobile Emissions Catalysts LLC | 415 |
20 |
| Uop LLC | 4259 |
16 |
| Mitsui Mining & Smelting Co., Ltd. | 1510 |
15 |
| Toyota Motor Corporation | 33440 |
14 |
| Chevron U.S.A. Inc. | 4018 |
14 |
| N.E. Chemcat Corporation | 189 |
14 |
| BASF Corporation | 1708 |
13 |
| Japan Science and Technology Agency | 1277 |
13 |
| Nissan Motor Co., Ltd. | 12655 |
11 |
| Heesung Catalysts Corporation | 111 |
11 |
| Chevron Phillips Chemical Company LP | 1851 |
10 |
| Murata Manufacturing Co., Ltd. | 25001 |
8 |
| Clariant International Ltd. | 929 |
8 |
| Umicore Shokubai Japan Co., Ltd. | 79 |
8 |
| Other owners | 416 |