- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Patent holdings for IPC class H04W 72/21
Total number of patents in this class: 1914
10-year publication summary
|
3
|
6
|
7
|
23
|
34
|
104
|
362
|
321
|
715
|
314
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
378 |
| Samsung Electronics Co., Ltd. | 131630 |
184 |
| LG Electronics Inc. | 69257 |
129 |
| Ericsson | 20417 |
92 |
| Huawei Technologies Co., Ltd. | 100781 |
79 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
73 |
| NTT DoCoMo, Inc. | 11501 |
71 |
| Apple Inc. | 50209 |
68 |
| Vivo Mobile Communication Co., Ltd. | 9833 |
43 |
| Interdigital Patent Holdings, Inc. | 3652 |
41 |
| Comcast Cable Communications, LLC | 4075 |
41 |
| ZTE Corporation | 39218 |
38 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 8764 |
37 |
| Nokia Technologies Oy | 15057 |
33 |
| Sun Patent Trust | 1972 |
28 |
| Panasonic Intellectual Property Corporation of America | 7230 |
27 |
| Intel Corporation | 45621 |
24 |
| Ofinno, LLC | 1276 |
24 |
| Sharp Corporation | 10015 |
23 |
| Datang Mobile Communications Equipment Co., Ltd | 3210 |
21 |
| Other owners | 460 |