- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 35/04 - Foraminous structures, sieves, grids, honeycombs
Patent holdings for IPC class B01J 35/04
Total number of patents in this class: 3078
10-year publication summary
|
238
|
255
|
328
|
306
|
302
|
243
|
215
|
166
|
70
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4955 |
314 |
| Johnson Matthey Public Limited Company | 1850 |
286 |
| Ibiden Co., Ltd. | 1704 |
208 |
| Cataler Corporation | 574 |
175 |
| Umicore AG & Co. KG | 856 |
146 |
| BASF Mobile Emissions Catalysts LLC | 405 |
121 |
| BASF SE | 20933 |
77 |
| Corning Incorporated | 10259 |
77 |
| BASF Corporation | 1720 |
73 |
| Toyota Motor Corporation | 32116 |
70 |
| Denso Corporation | 24282 |
62 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12798 |
60 |
| Mitsui Mining & Smelting Co., Ltd. | 1482 |
48 |
| Honda Motor Co., Ltd. | 25251 |
36 |
| N.E. Chemcat Corporation | 188 |
32 |
| Johnson Matthey Catalysts (Germany) GmbH | 71 |
28 |
| Sumitomo Chemical Company, Limited | 9046 |
23 |
| Hitachi Metals, Ltd. | 1982 |
21 |
| IFP Energies Nouvelles | 2933 |
21 |
| Umicore Shokubai Japan Co., Ltd. | 80 |
20 |
| Other owners | 1180 |