- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/46 - Ruthenium, rhodium, osmium or iridium
Patent holdings for IPC class B01J 23/46
Total number of patents in this class: 2163
10-year publication summary
|
148
|
153
|
147
|
130
|
169
|
181
|
184
|
163
|
171
|
3
|
| 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 | 1851 |
95 |
| Umicore AG & Co. KG | 858 |
85 |
| Cataler Corporation | 560 |
82 |
| Toyota Motor Corporation | 30292 |
72 |
| BASF Mobile Emissions Catalysts LLC | 255 |
49 |
| BASF SE | 20367 |
46 |
| BASF Corporation | 1822 |
44 |
| Sumitomo Chemical Company, Limited | 8966 |
43 |
| Archer Daniels Midland Company | 1138 |
23 |
| Korea Research Institute of Chemical Technology | 1326 |
23 |
| Japan Science and Technology Agency | 1420 |
21 |
| Korea Institute of Science and Technology | 2067 |
20 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13117 |
20 |
| ExxonMobil Chemical Patents Inc. | 4118 |
19 |
| Kyoto University | 2778 |
19 |
| Mitsui Mining & Smelting Co., Ltd. | 1421 |
16 |
| Tokyo Institute of Technology | 1387 |
14 |
| Hanwha Solutions Corporation | 702 |
12 |
| Heesung Catalysts Corporation | 110 |
11 |
| Virent, Inc. | 118 |
11 |
| Other owners | 1438 |