- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 65/1104 - Session initiation protocol [SIP]
Patent holdings for IPC class H04L 65/1104
Total number of patents in this class: 566
10-year publication summary
|
1
|
3
|
4
|
6
|
28
|
100
|
131
|
163
|
118
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| T-Mobile USA, Inc. | 3893 |
63 |
| Samsung Electronics Co., Ltd. | 138729 |
36 |
| Comcast Cable Communications, LLC | 4441 |
24 |
| Twilio, Inc. | 503 |
22 |
| Verizon Patent And Licensing Inc. | 6944 |
17 |
| Apple Inc. | 52680 |
16 |
| Ericsson | 21125 |
16 |
| Ribbon Communications Operating Company, Inc. | 490 |
16 |
| Microsoft Technology Licensing, LLC | 52893 |
14 |
| First Orion Corp. | 158 |
13 |
| Jio Platforms Limited | 755 |
13 |
| Malikie Innovations Limited | 7378 |
12 |
| Qualcomm Incorporated | 81758 |
11 |
| Huawei Technologies Co., Ltd. | 106664 |
11 |
| Nippon Telegraph and Telephone Corporation | 16290 |
10 |
| BlackBerry Limited | 5878 |
9 |
| T-Mobile Innovations LLC | 3438 |
9 |
| Zoom Communications, Inc. | 545 |
9 |
| AT&T Intellectual Property I, L.P. | 9333 |
8 |
| Oracle International Corporation | 12567 |
8 |
| Other owners | 229 |