- 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: 812
10-year publication summary
|
3
|
4
|
6
|
30
|
105
|
140
|
170
|
120
|
161
|
86
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| T-Mobile USA, Inc. | 4507 |
84 |
| Samsung Electronics Co., Ltd. | 158442 |
67 |
| Comcast Cable Communications, LLC | 5199 |
35 |
| Twilio, Inc. | 661 |
30 |
| Qualcomm Incorporated | 92859 |
27 |
| T-Mobile Innovations LLC | 4135 |
25 |
| Verizon Patent And Licensing Inc. | 7668 |
22 |
| Ribbon Communications Operating Company, Inc. | 458 |
22 |
| Ericsson | 22880 |
21 |
| Apple Inc. | 59027 |
19 |
| Microsoft Technology Licensing, LLC | 54510 |
17 |
| First Orion Corp. | 185 |
17 |
| Nokia Technologies Oy | 21475 |
16 |
| Zoom Communications, Inc. | 1266 |
16 |
| Jio Platforms Limited | 1823 |
14 |
| Malikie Innovations Limited | 6397 |
14 |
| Huawei Technologies Co., Ltd. | 124115 |
13 |
| Google LLC | 44614 |
12 |
| Oracle International Corporation | 13611 |
11 |
| Nippon Telegraph and Telephone Corporation | 15939 |
11 |
| Other owners | 319 |