- 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: 799
10-year publication summary
|
38
|
53
|
43
|
40
|
34
|
32
|
43
|
29
|
43
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1763 |
72 |
| Cataler Corporation | 575 |
37 |
| Umicore AG & Co. KG | 850 |
31 |
| BASF SE | 21306 |
22 |
| Tokyo Institute of Technology | 1311 |
20 |
| BASF Mobile Emissions Catalysts LLC | 426 |
20 |
| Uop LLC | 4390 |
16 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12353 |
15 |
| Toyota Motor Corporation | 35927 |
14 |
| Chevron U.S.A. Inc. | 4159 |
14 |
| Japan Science and Technology Agency | 1210 |
14 |
| N.E. Chemcat Corporation | 188 |
14 |
| BASF Corporation | 1681 |
12 |
| Heesung Catalysts Corporation | 122 |
12 |
| Nissan Motor Co., Ltd. | 13014 |
11 |
| Mitsui Mining & Smelting Co., Ltd. | 1070 |
11 |
| Chevron Phillips Chemical Company LP | 1862 |
10 |
| Murata Manufacturing Co., Ltd. | 25809 |
9 |
| Clariant International Ltd. | 892 |
8 |
| Umicore Shokubai Japan Co., Ltd. | 78 |
8 |
| Other owners | 429 |