- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/00 - Automatic or semi-automatic exchanges
Patent holdings for IPC class H04M 3/00
Total number of patents in this class: 4956
10-year publication summary
458
|
402
|
317
|
214
|
213
|
167
|
137
|
125
|
45
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Avaya Inc. | 1451 |
197 |
NEC Corporation | 34337 |
185 |
Genesys Cloud Services, Inc., FORMERLY Genesys Telecommunications Laboratories, Inc. | 838 |
170 |
Alvaria Cayman (cx) | 311 |
147 |
Samsung Electronics Co., Ltd. | 138518 |
112 |
Microsoft Technology Licensing, LLC | 52891 |
108 |
Malikie Innovations Limited | 7386 |
108 |
NTT DoCoMo, Inc. | 12248 |
84 |
Apple Inc. | 52607 |
79 |
Cisco Technology, Inc. | 19312 |
79 |
T-Mobile Innovations LLC | 3429 |
78 |
United Services Automobile Association (USAA) | 2844 |
77 |
AT&T Intellectual Property I, L.P. | 9330 |
75 |
Afiniti, Ltd. | 314 |
75 |
Qualcomm Incorporated | 81413 |
69 |
Huawei Technologies Co., Ltd. | 106498 |
60 |
Verizon Patent And Licensing Inc. | 6937 |
58 |
Amazon Technologies, Inc. | 25836 |
55 |
Verint Americas Inc. | 573 |
52 |
AT&T Mobility II LLC | 1836 |
50 |
Other owners | 3038 |