- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/00 - Line transmission systems
Patent holdings for IPC class H04B 3/00
Total number of patents in this class: 1035
10-year publication summary
|
110
|
90
|
68
|
78
|
51
|
37
|
33
|
14
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 9494 |
45 |
| Samsung Electronics Co., Ltd. | 145025 |
29 |
| Sonos, Inc. | 2573 |
24 |
| Sony Corporation | 31107 |
22 |
| Texas Instruments Incorporated | 19494 |
22 |
| Avago Technologies International Sales Pte. Limited | 8786 |
22 |
| Qualcomm Incorporated | 84847 |
19 |
| Apple Inc. | 54610 |
15 |
| Huawei Technologies Co., Ltd. | 111764 |
14 |
| Cisco Technology, Inc. | 19845 |
12 |
| Yamaha Corporation | 4092 |
12 |
| Denso Corporation | 24223 |
11 |
| Bose Corporation | 2980 |
10 |
| Panasonic Corporation | 20142 |
9 |
| Cirrus Logic, Inc. | 1769 |
9 |
| Sound United, LLC | 81 |
9 |
| International Business Machines Corporation | 61185 |
8 |
| British Telecommunications Public Limited Company | 2620 |
8 |
| Intel Corporation | 46893 |
8 |
| Renesas Electronics Corporation | 6046 |
8 |
| Other owners | 719 |