- Sections
- H - Électricité
- H04H - Radiodiffusion
- H04H 20/88 - Systèmes de radiodiffusion stéréophonique
Détention brevets de la classe H04H 20/88
Brevets de cette classe: 54
Historique des publications depuis 10 ans
|
5
|
8
|
4
|
2
|
0
|
1
|
3
|
3
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158156 |
4 |
| Dolby International AB | 1026 |
4 |
| Electronics and Telecommunications Research Institute | 9681 |
3 |
| Dolby Laboratories Licensing Corporation | 4333 |
3 |
| LG Electronics Inc. | 75845 |
2 |
| Huawei Technologies Co., Ltd. | 123677 |
2 |
| iBiquity Digital Corporation | 265 |
2 |
| iHeartMedia Management Services, Inc. | 370 |
2 |
| Nautel Limited | 22 |
2 |
| Tencent Technology (Shenzhen) Company Limited | 16006 |
2 |
| Apple Inc. | 58936 |
1 |
| Yamaha Corporation | 4076 |
1 |
| Mediatek Inc. | 5365 |
1 |
| Semiconductor Components Industries, L.L.C. | 5261 |
1 |
| STMicroelectronics (Grenoble 2) SAS | 631 |
1 |
| Nokia Technologies Oy | 21366 |
1 |
| Adswizz, Inc. | 14 |
1 |
| Bose Corporation | 3095 |
1 |
| Dialog Semiconductor B.V. | 98 |
1 |
| Indian Institute of Technology Bombay | 274 |
1 |
| Autres propriétaires | 18 |