- 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
|
1
|
0
|
1
|
2
|
2
|
1
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Apple Inc. | 50209 |
1 |
| Qualcomm Incorporated | 76576 |
1 |
| AT&T Intellectual Property I, L.P. | 9886 |
1 |
| ZTE Corporation | 39218 |
1 |
| Microsoft Technology Licensing, LLC | 51439 |
1 |
| Nippon Telegraph and Telephone West Corporation | 25 |
1 |
| Nippon Telegraph And Telephone East Corporation | 25 |
1 |
| Orange S.A. | 1379 |
1 |
| BCE Inc. | 431 |
1 |
| NEC Platforms, Ltd. | 1106 |
1 |
| SoftBank BB Corp. | 44 |
1 |
| France Telecom | 1618 |
1 |
| Privacy Software Solutions Ltd. | 4 |
1 |
| Other owners | 0 |