- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 65/4038 - Arrangements for multi-party communication, e.g. for conferences with floor control
Patent holdings for IPC class H04L 65/4038
Total number of patents in this class: 159
10-year publication summary
|
4
|
1
|
1
|
1
|
7
|
11
|
51
|
39
|
30
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 53720 |
18 |
| Zoom Communications, Inc. | 705 |
10 |
| International Business Machines Corporation | 61228 |
7 |
| Barco N.V. | 538 |
7 |
| Level 3 Communications, LLC | 1262 |
7 |
| Hovr Inc. | 9 |
7 |
| Cisco Technology, Inc. | 19918 |
6 |
| Snap Inc. | 5849 |
6 |
| Zoom Video Communications, Inc. | 564 |
5 |
| Samsung Electronics Co., Ltd. | 146092 |
4 |
| BlackBerry Limited | 5132 |
4 |
| Motorola Solutions, Inc. | 4400 |
4 |
| Apple Inc. | 54844 |
3 |
| salesforce.com, inc. | 5608 |
3 |
| HM Electronics, Inc. | 67 |
3 |
| Hewlett-Packard Development Company, L.P. | 25895 |
2 |
| Ricoh Company, Ltd. | 13247 |
2 |
| Agora Lab, Inc. | 82 |
2 |
| Capital One Services, LLC. | 9149 |
2 |
| Confinement Telephony Technology, LLC | 47 |
2 |
| Other owners | 55 |