- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/272 - Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
Patent holdings for IPC class H04M 1/272
Total number of patents in this class: 12
10-year publication summary
|
1
|
2
|
2
|
4
|
3
|
0
|
0
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 51439 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| AT&T Intellectual Property I, L.P. | 9886 |
1 |
| Nokia Corporation | 6965 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Globestar, Inc. | 8 |
1 |
| HiDeep Inc. | 279 |
1 |
| Nokia Inc. | 2036 |
1 |
| T-Mobile USA, Inc. | 3668 |
1 |
| VTech Telecommunications Limited | 52 |
1 |
| Other owners | 0 |