- Sections
- B - Techniques industrielles; transports
- B01D - Séparation
- B01D 69/12 - Membranes composites; Membranes ultraminces
Détention brevets de la classe B01D 69/12
Brevets de cette classe: 3282
Historique des publications depuis 10 ans
|
297
|
278
|
315
|
300
|
296
|
294
|
275
|
287
|
240
|
69
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
196 |
| FUJIFILM Corporation | 27102 |
172 |
| Nitto Denko Corporation | 7879 |
138 |
| NGK Insulators, Ltd. | 4589 |
125 |
| Dow Global Technologies LLC | 10147 |
65 |
| FUJIFILM Manufacturing Europe B.V. | 271 |
61 |
| LG Chem, Ltd. | 17205 |
58 |
| Entegris, Inc. | 1736 |
46 |
| National University of Singapore | 2228 |
46 |
| Sumitomo Chemical Company, Limited | 8808 |
40 |
| W. L. Gore & Associates, Inc. | 2600 |
40 |
| Uop LLC | 4083 |
39 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
37 |
| 3m Innovative Properties Company | 18406 |
28 |
| Mitsubishi Chemical Corporation | 4313 |
27 |
| King Abdullah University of Science and Technology | 1703 |
24 |
| Saudi Arabian Oil Company | 11322 |
24 |
| Aquaporin A/S | 69 |
24 |
| The Regents of the University of California | 18943 |
22 |
| FUJIFILM Imaging Colorants Limited | 233 |
20 |
| Autres propriétaires | 2050 |