- All sections
- H - Electricity
- H04B - Transmission
- H04B 17/309 - Measuring or estimating channel quality parameters
Patent holdings for IPC class H04B 17/309
Total number of patents in this class: 3173
10-year publication summary
184
|
214
|
256
|
400
|
406
|
280
|
347
|
355
|
327
|
317
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 86867 |
274 |
Samsung Electronics Co., Ltd. | 147983 |
271 |
LG Electronics Inc. | 73690 |
176 |
Huawei Technologies Co., Ltd. | 114320 |
173 |
Strong Force IoT Portfolio 2016, LLC | 313 |
152 |
Ericsson | 21932 |
103 |
Digital Global Systems, Inc. | 484 |
78 |
Apple Inc. | 55640 |
65 |
Nokia Technologies Oy | 18494 |
61 |
ZTE Corporation | 42789 |
60 |
NEC Corporation | 36124 |
58 |
Intel Corporation | 47239 |
55 |
Telefonaktiebolaget LM Ericsson (publ) | 28345 |
48 |
Vivo Mobile Communication Co., Ltd. | 12591 |
46 |
Sony Corporation | 30910 |
42 |
Beijing Xiaomi Mobile Software Co., Ltd. | 12818 |
39 |
NTT DoCoMo, Inc. | 13427 |
33 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21307 |
31 |
Nippon Telegraph and Telephone Corporation | 16975 |
30 |
AT&T Intellectual Property I, L.P. | 9599 |
29 |
Other owners | 1349 |