- Sections
- C - Chimiemétallurgie
- C01B - Éléments non métalliquesleurs composés
- C01B 32/949 - Carbures de tungstène ou de molybdène
Détention brevets de la classe C01B 32/949
Brevets de cette classe: 87
Historique des publications depuis 10 ans
|
2
|
10
|
9
|
11
|
1
|
15
|
11
|
10
|
6
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Kyocera Corporation | 14521 |
9 |
| A.L.M.T. Corp. | 247 |
9 |
| Drexel University | 1000 |
8 |
| Sumitomo Electric Industries, Ltd. | 16419 |
6 |
| Oerlikon Metco (US) Inc. | 217 |
5 |
| DIC Corporation | 4008 |
4 |
| William Marsh Rice University | 1084 |
4 |
| H.C. Starck Tungsten GmbH | 39 |
4 |
| Ganzhou Nonferrous Metallurgy Research Institute Co., Ltd. | 13 |
3 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1493 |
2 |
| Höganäs AB | 298 |
2 |
| Bestr Co., Ltd. | 3 |
2 |
| Murata Manufacturing Co., Ltd. | 26029 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 6173 |
1 |
| ExxonMobil Chemical Patents Inc. | 3759 |
1 |
| Beijing University of Technology | 522 |
1 |
| Brown University | 698 |
1 |
| Central South University | 502 |
1 |
| Dongguan University of Technology | 162 |
1 |
| IMI Systems Ltd. | 39 |
1 |
| Autres propriétaires | 21 |