- 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: 1189
10-year publication summary
1
|
1
|
13
|
21
|
13
|
10
|
20
|
253
|
658
|
171
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 139551 |
191 |
LG Electronics Inc. | 71185 |
115 |
Qualcomm Incorporated | 82165 |
97 |
NTT DoCoMo, Inc. | 12334 |
56 |
Huawei Technologies Co., Ltd. | 107154 |
55 |
ZTE Corporation | 41154 |
55 |
Beijing Xiaomi Mobile Software Co., Ltd. | 10956 |
55 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20111 |
44 |
Sharp Kabushiki Kaisha | 18867 |
34 |
Vivo Mobile Communication Co., Ltd. | 11438 |
32 |
Sharp Corporation | 10201 |
31 |
Apple Inc. | 52932 |
30 |
Intel Corporation | 46179 |
27 |
Nokia Technologies Oy | 16656 |
27 |
Ericsson | 21203 |
25 |
Shanghai Langbo Communication Technology Company Limited | 1272 |
21 |
Ofinno, LLC | 1452 |
19 |
Blackpin Inc. | 309 |
19 |
Electronics and Telecommunications Research Institute | 9039 |
15 |
Lenovo (Beijing) Limited | 3151 |
15 |
Other owners | 226 |