- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/2757 - Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time using static electronic memories, e.g. chips providing data content by data transmission, e.g. downloading
Patent holdings for IPC class H04M 1/2757
Total number of patents in this class: 88
10-year publication summary
0
|
2
|
2
|
5
|
12
|
25
|
25
|
14
|
7
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Digital Reef, Inc. | 22 |
16 |
OnePIN, Inc. | 70 |
11 |
Samsung Electronics Co., Ltd. | 131630 |
7 |
First Orion Corp. | 140 |
4 |
Ultratec, Inc. | 78 |
4 |
Amazon Technologies, Inc. | 24422 |
3 |
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
3 |
Denso Corporation | 23338 |
2 |
Huawei Technologies Co., Ltd. | 100781 |
2 |
Huawei Device Co., Ltd. | 2758 |
2 |
8x8, Inc. | 398 |
2 |
T-Mobile USA, Inc. | 3668 |
2 |
Sorenson IP Holdings, LLC | 287 |
2 |
Mobileyme LLC | 6 |
2 |
Apple Inc. | 50209 |
1 |
Sony Corporation | 32931 |
1 |
International Business Machines Corporation | 60644 |
1 |
Fujitsu Limited | 19265 |
1 |
Verizon Patent And Licensing Inc. | 6900 |
1 |
Hyundai Motor Company | 19021 |
1 |
Other owners | 20 |