- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/42 - Platinum
Patent holdings for IPC class B01J 23/42
Total number of patents in this class: 2561
10-year publication summary
|
167
|
171
|
190
|
158
|
164
|
204
|
181
|
155
|
134
|
15
|
| 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 | 1852 |
160 |
| Umicore AG & Co. KG | 860 |
94 |
| BASF Corporation | 1823 |
84 |
| Toyota Motor Corporation | 30455 |
66 |
| Cataler Corporation | 563 |
54 |
| BASF Mobile Emissions Catalysts LLC | 257 |
52 |
| Uop LLC | 4188 |
39 |
| BASF SE | 20432 |
38 |
| Nissan Motor Co., Ltd. | 12352 |
32 |
| Chevron U.S.A. Inc. | 3856 |
27 |
| IFP Energies Nouvelles | 2829 |
27 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13086 |
25 |
| Archer Daniels Midland Company | 1136 |
24 |
| Heesung Catalysts Corporation | 110 |
22 |
| Hyundai Motor Company | 20483 |
21 |
| ExxonMobil Chemical Patents Inc. | 4114 |
21 |
| SABIC Global Technologies B.V. | 4203 |
20 |
| N.E. Chemcat Corporation | 187 |
17 |
| The Regents of the University of California | 19517 |
16 |
| GM Global Technology Operations LLC | 14260 |
16 |
| Other owners | 1706 |