- Sections
- C - Chimiemétallurgie
- C01G - Composés contenant des métaux non couverts par les sous-classes ou
- C01G 33/00 - Composés du niobium
Détention brevets de la classe C01G 33/00
Brevets de cette classe: 697
Historique des publications depuis 10 ans
|
49
|
51
|
45
|
31
|
53
|
55
|
54
|
43
|
57
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Toshiba Corporation | 12660 |
36 |
| Mitsui Mining & Smelting Co., Ltd. | 1069 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
18 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
18 |
| Echion Technologies Limited | 55 |
17 |
| Sumitomo Chemical Company, Limited | 8967 |
15 |
| Toyota Motor Corporation | 36092 |
12 |
| FUJIFILM Corporation | 30653 |
12 |
| Murata Manufacturing Co., Ltd. | 25893 |
12 |
| Agency for Science, Technology and Research | 3758 |
11 |
| The Regents of the University of California | 20868 |
10 |
| TDK Corporation | 6960 |
10 |
| Samsung Electronics Co., Ltd. | 158842 |
9 |
| Seiko Epson Corporation | 20406 |
9 |
| Dowa Electronics Materials Co., Ltd. | 635 |
8 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6162 |
8 |
| DIC Corporation | 3992 |
7 |
| Kubota Corporation | 4419 |
7 |
| Robert Bosch GmbH | 44291 |
6 |
| Denso Corporation | 25717 |
6 |
| Autres propriétaires | 447 |