- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/02 - Matériaux inorganiques
Détention brevets de la classe B01D 71/02
Brevets de cette classe: 3350
Historique des publications depuis 10 ans
|
261
|
247
|
250
|
273
|
258
|
249
|
205
|
241
|
229
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| NGK Insulators, Ltd. | 5192 |
265 |
| Dow Global Technologies LLC | 10696 |
80 |
| Georgia Tech Research Corporation | 2856 |
56 |
| Nitto Denko Corporation | 8399 |
50 |
| Mitsubishi Chemical Corporation | 4661 |
44 |
| Murata Manufacturing Co., Ltd. | 25214 |
37 |
| National University of Singapore | 2533 |
37 |
| Toray Industries, Inc. | 7014 |
34 |
| King Fahd University of Petroleum and Minerals | 1428 |
31 |
| Saudi Arabian Oil Company | 13814 |
29 |
| Hitachi Zosen Corporation | 613 |
28 |
| Centre National de La Recherche Scientifique | 10801 |
27 |
| King Abdullah University of Science and Technology | 1824 |
27 |
| Sumitomo Chemical Company, Limited | 9039 |
26 |
| VIA Separations, Inc. | 29 |
24 |
| FUJIFILM Corporation | 30010 |
23 |
| Massachusetts Institute of Technology | 10181 |
23 |
| Lockheed Martin Corporation | 3275 |
22 |
| Corning Incorporated | 10374 |
22 |
| Korea University Research and Business Foundation | 3115 |
22 |
| Autres propriétaires | 2443 |