- Sections
- C - Chimie; métallurgie
- C01B - Chimie inorganique éléments non métalliques; leurs composés
- C01B 32/949 - Carbures de tungstène ou de molybdène
Détention brevets de la classe C01B 32/949
Brevets de cette classe: 69
Historique des publications depuis 10 ans
|
1
|
1
|
2
|
10
|
9
|
11
|
1
|
15
|
10
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| A.L.M.T. Corp. | 209 |
6 |
| Drexel University | 951 |
6 |
| Höganäs AB | 337 |
6 |
| Kyocera Corporation | 12735 |
5 |
| Sumitomo Electric Industries, Ltd. | 14131 |
4 |
| William Marsh Rice University | 937 |
4 |
| H.C. Starck Tungsten GmbH | 32 |
4 |
| DIC Corporation | 3597 |
2 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1102 |
2 |
| Oerlikon Metco (US) Inc. | 202 |
2 |
| Nulife Greentech Inc. | 9 |
2 |
| Bestr Co., Ltd. | 2 |
2 |
| Ganzhou Nonferrous Metallurgy Research Institute Co., Ltd. | 9 |
2 |
| Murata Manufacturing Co., Ltd. | 22355 |
1 |
| ExxonMobil Chemical Patents Inc. | 4286 |
1 |
| Beijing University of Technology | 437 |
1 |
| Brown University | 576 |
1 |
| Central South University | 364 |
1 |
| Dongguan University of Technology | 150 |
1 |
| IMI Systems Ltd. | 37 |
1 |
| Autres propriétaires | 15 |