- Sections
- C - Chimiemétallurgie
- C01B - Éléments non métalliquesleurs composés
- C01B 32/21 - Post-traitement
Détention brevets de la classe C01B 32/21
Brevets de cette classe: 508
Historique des publications depuis 10 ans
|
3
|
11
|
27
|
36
|
64
|
68
|
59
|
72
|
72
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Mitsubishi Chemical Corporation | 4492 |
22 |
| LG Energy Solution, Ltd. | 14524 |
20 |
| LG Chem, Ltd. | 17564 |
17 |
| Research Institute of Industrial Science & Technology | 489 |
16 |
| JFE Chemical Corporation | 121 |
14 |
| Kaneka Corporation | 4484 |
13 |
| JFE Steel Corporation | 6794 |
12 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3397 |
12 |
| BTR New Material Group Co., Ltd. | 203 |
10 |
| Showa Denko K.K. | 2269 |
9 |
| POSCO Holdings Inc. | 250 |
9 |
| Applied Graphene Materials UK Limited | 28 |
8 |
| POSCO | 2189 |
8 |
| Sekisui Chemical Co., Ltd. | 3378 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
6 |
| POSCO Future M Co., Ltd. | 74 |
6 |
| Huawei Technologies Co., Ltd. | 111237 |
5 |
| Imerys Graphite & Carbon Switzerland Ltd. | 29 |
5 |
| Kangwon National University Industry Cooperation Foundation | 23 |
5 |
| University-industry Cooperation Group of Kyung Hee University | 1204 |
5 |
| Autres propriétaires | 299 |