- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 72/231 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
Patent holdings for IPC class H04W 72/231
Total number of patents in this class: 457
10-year publication summary
|
4
|
1
|
1
|
13
|
20
|
12
|
7
|
7
|
248
|
137
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
85 |
| Qualcomm Incorporated | 76576 |
47 |
| LG Electronics Inc. | 69257 |
42 |
| ZTE Corporation | 39218 |
24 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
21 |
| Apple Inc. | 50209 |
18 |
| Huawei Technologies Co., Ltd. | 100781 |
18 |
| NTT DoCoMo, Inc. | 11501 |
18 |
| Sharp Kabushiki Kaisha | 18957 |
17 |
| Ericsson | 20417 |
15 |
| Intel Corporation | 45621 |
13 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 8764 |
12 |
| Nokia Technologies Oy | 15057 |
11 |
| Sharp Corporation | 10015 |
10 |
| Lenovo (Beijing) Limited | 2559 |
9 |
| Vivo Mobile Communication Co., Ltd. | 9833 |
8 |
| Ofinno, LLC | 1276 |
8 |
| Blackpin Inc. | 198 |
8 |
| Electronics and Telecommunications Research Institute | 8830 |
7 |
| Interdigital Patent Holdings, Inc. | 3652 |
5 |
| Other owners | 61 |