- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 28/04 - Error control
Patent holdings for IPC class H04W 28/04
Total number of patents in this class: 4899
10-year publication summary
335
|
342
|
421
|
390
|
538
|
436
|
405
|
309
|
204
|
114
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NTT DoCoMo, Inc. | 12863 |
603 |
LG Electronics Inc. | 72807 |
317 |
Qualcomm Incorporated | 84971 |
302 |
Sharp Kabushiki Kaisha | 18775 |
258 |
Huawei Technologies Co., Ltd. | 111975 |
256 |
Samsung Electronics Co., Ltd. | 145416 |
248 |
Sony Corporation | 31093 |
124 |
Apple Inc. | 54658 |
116 |
ZTE Corporation | 42203 |
98 |
NEC Corporation | 35521 |
97 |
Fujitsu Limited | 18343 |
93 |
Ericsson | 21704 |
92 |
ISCO International, LLC | 235 |
88 |
Panasonic Intellectual Property Corporation of America | 7613 |
81 |
Kyocera Corporation | 13784 |
80 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20883 |
77 |
Panasonic Corporation | 20136 |
76 |
Nokia Technologies Oy | 17651 |
64 |
Intel Corporation | 46949 |
58 |
Sony Group Corporation | 13703 |
51 |
Other owners | 1720 |