- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/54 - Arrangements for diverting calls for one subscriber to another predetermined subscriber
Patent holdings for IPC class H04M 3/54
Total number of patents in this class: 661
10-year publication summary
|
63
|
59
|
44
|
48
|
36
|
23
|
29
|
26
|
16
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 152016 |
30 |
| Huawei Technologies Co., Ltd. | 118634 |
23 |
| Apple Inc. | 57314 |
22 |
| RingCentral, Inc. | 778 |
22 |
| 8x8, Inc. | 461 |
19 |
| International Business Machines Corporation | 62002 |
16 |
| ZTE Corporation | 43427 |
16 |
| Verizon Patent And Licensing Inc. | 7415 |
14 |
| Microsoft Technology Licensing, LLC | 54189 |
14 |
| BCE Inc. | 363 |
12 |
| Micro Macro Assets LLC | 18 |
12 |
| AT&T Intellectual Property I, L.P. | 9796 |
11 |
| Movius Interactive Corporation | 61 |
9 |
| Successful Cultures, Inc | 13 |
9 |
| Qualcomm Incorporated | 89126 |
8 |
| Avaya Inc. | 1345 |
8 |
| First Orion Corp. | 180 |
8 |
| Pantech Corporation | 337 |
8 |
| Metaswitch Networks Ltd | 235 |
7 |
| Mitel Networks Corporation | 192 |
7 |
| Other owners | 386 |