- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/493 - Interactive information services, e.g. directory enquiries
Patent holdings for IPC class H04M 3/493
Total number of patents in this class: 1599
10-year publication summary
|
183
|
179
|
146
|
149
|
159
|
171
|
138
|
111
|
112
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 38759 |
91 |
| Microsoft Technology Licensing, LLC | 51439 |
63 |
| Genesys Telecommunications Laboratories, Inc. | 749 |
54 |
| West Technology Group, LLC | 414 |
37 |
| International Business Machines Corporation | 60644 |
36 |
| Verizon Patent And Licensing Inc. | 6900 |
33 |
| United Services Automobile Association (USAA) | 2514 |
30 |
| ZTE Corporation | 39218 |
28 |
| AT&T Intellectual Property I, L.P. | 9886 |
26 |
| Samsung Electronics Co., Ltd. | 131630 |
22 |
| Huawei Technologies Co., Ltd. | 100781 |
22 |
| Avaya Inc. | 1529 |
22 |
| Bank of America Corporation | 6495 |
20 |
| PayPal, Inc. | 3804 |
19 |
| Pindrop Security, Inc. | 209 |
19 |
| [24]7.ai, Inc. | 177 |
19 |
| Apple Inc. | 50209 |
18 |
| Amazon Technologies, Inc. | 24422 |
17 |
| FonCloud, Inc. | 33 |
16 |
| Xtone, Inc. | 25 |
16 |
| Other owners | 991 |