- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/723 - Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting using two or more extensions per line
Patent holdings for IPC class H04M 1/723
Total number of patents in this class: 15
10-year publication summary
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0
|
1
|
2
|
2
|
1
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0
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 110249 |
2 |
| Apple Inc. | 54252 |
1 |
| Qualcomm Incorporated | 84084 |
1 |
| AT&T Intellectual Property I, L.P. | 9437 |
1 |
| ZTE Corporation | 41858 |
1 |
| Microsoft Technology Licensing, LLC | 53473 |
1 |
| Nippon Telegraph and Telephone West Corporation | 25 |
1 |
| Nippon Telegraph And Telephone East Corporation | 25 |
1 |
| Orange S.A. | 1531 |
1 |
| BCE Inc. | 373 |
1 |
| NEC Platforms, Ltd. | 1146 |
1 |
| SoftBank BB Corp. | 29 |
1 |
| France Telecom | 1324 |
1 |
| Privacy Software Solutions Ltd. | 2 |
1 |
| Other owners | 0 |