- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/487 - Arrangements for providing information services, e.g. recorded voice services or time announcements
Patent holdings for IPC class H04M 3/487
Total number of patents in this class: 468
10-year publication summary
|
44
|
37
|
29
|
39
|
32
|
14
|
14
|
16
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seven Networks, LLC | 119 |
17 |
| NEC Corporation | 36934 |
16 |
| Thryv, Inc. | 303 |
11 |
| Vusura Technology LLC | 22 |
11 |
| Samsung Electronics Co., Ltd. | 157557 |
9 |
| AT&T Intellectual Property I, L.P. | 9993 |
9 |
| Huawei Technologies Co., Ltd. | 123282 |
9 |
| ZTE Corporation | 44159 |
9 |
| Qualcomm Incorporated | 91997 |
8 |
| Yamaha Corporation | 4071 |
8 |
| Google LLC | 44482 |
8 |
| Invoca, Inc. | 75 |
8 |
| Zoom Video Communications, Inc. | 517 |
8 |
| Sony Corporation | 30208 |
7 |
| Nokia Corporation | 4790 |
7 |
| NTT DoCoMo, Inc. | 14659 |
6 |
| Microsoft Technology Licensing, LLC | 54439 |
6 |
| III Holdings 1, LLC | 158 |
6 |
| Nokia Technologies Oy | 21069 |
6 |
| Incall Limited | 8 |
6 |
| Other owners | 293 |