- 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: 4960
10-year publication summary
|
1
|
5
|
6
|
27
|
126
|
528
|
768
|
905
|
1164
|
1252
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 87585 |
879 |
| Samsung Electronics Co., Ltd. | 149087 |
498 |
| LG Electronics Inc. | 73772 |
350 |
| NTT DoCoMo, Inc. | 13646 |
240 |
| Huawei Technologies Co., Ltd. | 115827 |
223 |
| Ericsson | 21998 |
184 |
| Apple Inc. | 56283 |
181 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21607 |
170 |
| Interdigital Patent Holdings, Inc. | 5945 |
138 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 13137 |
137 |
| Vivo Mobile Communication Co., Ltd. | 12797 |
129 |
| Nokia Technologies Oy | 19171 |
118 |
| ZTE Corporation | 43054 |
103 |
| Comcast Cable Communications, LLC | 4860 |
75 |
| Sharp Corporation | 10304 |
73 |
| Panasonic Intellectual Property Corporation of America | 6925 |
73 |
| Intel Corporation | 46460 |
56 |
| Ofinno, LLC | 1926 |
56 |
| Datang Mobile Communications Equipment Co., Ltd | 4090 |
55 |
| Wilus Institute of Standards and Technology Inc. | 794 |
49 |
| Other owners | 1173 |