- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their 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: 3284
10-year publication summary
223
|
241
|
260
|
331
|
308
|
302
|
259
|
258
|
191
|
57
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NGK Insulators, Ltd. | 4589 |
334 |
Johnson Matthey Public Limited Company | 1852 |
295 |
Ibiden Co., Ltd. | 1724 |
244 |
BASF Corporation | 2039 |
207 |
Cataler Corporation | 533 |
179 |
Umicore AG & Co. KG | 867 |
158 |
BASF SE | 19740 |
89 |
Corning Incorporated | 9932 |
80 |
Toyota Motor Corporation | 28582 |
74 |
Denso Corporation | 23338 |
64 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
64 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
50 |
Honda Motor Co., Ltd. | 24537 |
41 |
N.E. Chemcat Corporation | 193 |
32 |
Johnson Matthey Catalysts (Germany) GmbH | 71 |
28 |
Haldor Topsøe A/S | 698 |
24 |
Sumitomo Chemical Company, Limited | 8808 |
22 |
IFP Energies Nouvelles | 2717 |
22 |
Hitachi Metals, Ltd. | 2175 |
21 |
Umicore Shokubai Japan Co., Ltd. | 78 |
20 |
Other owners | 1236 |