- Sections
- H - Électricité
- H04B - Transmission
- H04B 3/487 - Tests des effets de diaphonie
Détention brevets de la classe H04B 3/487
Brevets de cette classe: 207
Historique des publications depuis 10 ans
|
27
|
32
|
29
|
18
|
18
|
9
|
8
|
5
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| British Telecommunications Public Limited Company | 2602 |
17 |
| Huawei Technologies Co., Ltd. | 123543 |
15 |
| Intel Corporation | 47122 |
12 |
| Marvell Asia PTE, Ltd. | 6309 |
11 |
| Futurewei Technologies, Inc. | 3784 |
8 |
| Qualcomm Incorporated | 92416 |
7 |
| RPX Corporation | 1143 |
7 |
| Ericsson | 22785 |
6 |
| Alcatel Lucent SA | 1533 |
6 |
| Cisco Technology, Inc. | 22503 |
5 |
| Cable Television Laboratories, Inc. | 1102 |
5 |
| International Business Machines Corporation | 62671 |
4 |
| Micron Technology, Inc. | 27675 |
4 |
| Viavi Solutions Inc. | 1525 |
4 |
| Cavium International | 4656 |
4 |
| The Boeing Company | 20163 |
3 |
| AT&T Intellectual Property I, L.P. | 10002 |
3 |
| Nokia Solutions And Networks Oy | 7242 |
3 |
| Adaptive Spectrum and Signal Alignment, Inc. | 99 |
3 |
| Adtran, Inc. | 404 |
3 |
| Autres propriétaires | 77 |