- 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: 77
Historique des publications depuis 10 ans
|
2
|
7
|
8
|
11
|
1
|
14
|
10
|
10
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Kyocera Corporation | 14199 |
8 |
| A.L.M.T. Corp. | 236 |
7 |
| Drexel University | 1019 |
7 |
| Sumitomo Electric Industries, Ltd. | 15994 |
4 |
| William Marsh Rice University | 1055 |
4 |
| H.C. Starck Tungsten GmbH | 39 |
4 |
| DIC Corporation | 3890 |
3 |
| 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 | 1386 |
2 |
| Höganäs AB | 302 |
2 |
| Oerlikon Metco (US) Inc. | 213 |
2 |
| Nulife Greentech Inc. | 11 |
2 |
| Bestr Co., Ltd. | 3 |
2 |
| Murata Manufacturing Co., Ltd. | 25296 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5884 |
1 |
| ExxonMobil Chemical Patents Inc. | 3885 |
1 |
| Beijing University of Technology | 511 |
1 |
| Brown University | 664 |
1 |
| Central South University | 468 |
1 |
| Dongguan University of Technology | 160 |
1 |
| Autres propriétaires | 20 |