- 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: 3114
10-year publication summary
|
238
|
255
|
328
|
306
|
302
|
244
|
219
|
170
|
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. | 4920 |
315 |
| Johnson Matthey Public Limited Company | 1862 |
288 |
| Ibiden Co., Ltd. | 1735 |
225 |
| Cataler Corporation | 575 |
178 |
| Umicore AG & Co. KG | 856 |
148 |
| BASF Mobile Emissions Catalysts LLC | 395 |
123 |
| BASF SE | 20777 |
77 |
| Corning Incorporated | 10240 |
77 |
| BASF Corporation | 1714 |
73 |
| Toyota Motor Corporation | 31451 |
70 |
| Denso Corporation | 24120 |
62 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12864 |
61 |
| Mitsui Mining & Smelting Co., Ltd. | 1470 |
48 |
| Honda Motor Co., Ltd. | 25137 |
38 |
| N.E. Chemcat Corporation | 189 |
32 |
| Johnson Matthey Catalysts (Germany) GmbH | 71 |
28 |
| Sumitomo Chemical Company, Limited | 9009 |
23 |
| Hitachi Metals, Ltd. | 1990 |
21 |
| IFP Energies Nouvelles | 2893 |
21 |
| Umicore Shokubai Japan Co., Ltd. | 77 |
20 |
| Other owners | 1186 |