- 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: 3041
10-year publication summary
|
238
|
255
|
328
|
306
|
300
|
241
|
208
|
162
|
66
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5129 |
306 |
| Johnson Matthey Public Limited Company | 1877 |
285 |
| Ibiden Co., Ltd. | 1717 |
204 |
| Cataler Corporation | 577 |
173 |
| Umicore AG & Co. KG | 861 |
145 |
| BASF Mobile Emissions Catalysts LLC | 414 |
119 |
| BASF SE | 21080 |
77 |
| Corning Incorporated | 10372 |
76 |
| BASF Corporation | 1716 |
73 |
| Toyota Motor Corporation | 33275 |
70 |
| Denso Corporation | 24692 |
62 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12693 |
59 |
| Mitsui Mining & Smelting Co., Ltd. | 1508 |
47 |
| Honda Motor Co., Ltd. | 25769 |
36 |
| N.E. Chemcat Corporation | 189 |
32 |
| Johnson Matthey Catalysts (Germany) GmbH | 71 |
28 |
| Sumitomo Chemical Company, Limited | 9095 |
23 |
| Hitachi Metals, Ltd. | 1963 |
21 |
| IFP Energies Nouvelles | 2969 |
21 |
| Umicore Shokubai Japan Co., Ltd. | 79 |
20 |
| Other owners | 1164 |