• 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