- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/44 - Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling
Patent holdings for IPC class H04M 3/44
Total number of patents in this class: 69
10-year publication summary
|
14
|
8
|
7
|
3
|
3
|
3
|
2
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 54719 |
6 |
| Zhuangzi Li and Associates | 8 |
5 |
| Amazon Technologies, Inc. | 28373 |
3 |
| BCE Inc. | 334 |
3 |
| Google LLC | 44992 |
3 |
| ZTE Corporation | 44416 |
2 |
| Movius Interactive Corporation | 68 |
2 |
| Orange | 2084 |
2 |
| Thryv, Inc. | 299 |
2 |
| Genesys Cloud Services, Inc., FORMERLY Genesys Telecommunications Laboratories, Inc. | 1119 |
2 |
| Jio Platforms Limited | 1874 |
2 |
| NEC Corporation | 37589 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4016 |
1 |
| Alcatel-Lucent USA Inc. | 518 |
1 |
| Google Technology Holdings LLC | 2040 |
1 |
| Hyundai Motor Company | 25253 |
1 |
| Avaya Inc. | 948 |
1 |
| Accenture Global Services Limited | 1293 |
1 |
| Nippon Telegraph and Telephone Corporation | 15894 |
1 |
| RingCentral, Inc. | 799 |
1 |
| Other owners | 28 |