- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/02 - Matériaux inorganiques
Détention brevets de la classe B01D 71/02
Brevets de cette classe: 3199
Historique des publications depuis 10 ans
|
221
|
283
|
262
|
262
|
283
|
265
|
259
|
210
|
242
|
83
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| NGK Insulators, Ltd. | 4895 |
252 |
| Dow Global Technologies LLC | 10315 |
71 |
| Georgia Tech Research Corporation | 2696 |
55 |
| Nitto Denko Corporation | 8165 |
45 |
| Mitsubishi Chemical Corporation | 4475 |
43 |
| Murata Manufacturing Co., Ltd. | 24226 |
37 |
| National University of Singapore | 2417 |
36 |
| Toray Industries, Inc. | 6865 |
35 |
| Hitachi Zosen Corporation | 622 |
28 |
| King Abdullah University of Science and Technology | 1764 |
27 |
| Saudi Arabian Oil Company | 12785 |
26 |
| Centre National de La Recherche Scientifique | 10266 |
24 |
| King Fahd University of Petroleum and Minerals | 1130 |
24 |
| Massachusetts Institute of Technology | 9975 |
23 |
| Sumitomo Chemical Company, Limited | 8998 |
23 |
| FUJIFILM Corporation | 29172 |
22 |
| Lockheed Martin Corporation | 3282 |
22 |
| Corning Incorporated | 10184 |
22 |
| Korea University Research and Business Foundation | 2917 |
22 |
| Dalian University of Technology | 1501 |
21 |
| Autres propriétaires | 2341 |