- 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: 646
10-year publication summary
|
1
|
3
|
4
|
6
|
28
|
103
|
136
|
164
|
118
|
94
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| T-Mobile USA, Inc. | 4050 |
72 |
| Samsung Electronics Co., Ltd. | 144426 |
45 |
| Comcast Cable Communications, LLC | 4638 |
28 |
| Twilio, Inc. | 573 |
25 |
| Verizon Patent And Licensing Inc. | 7070 |
20 |
| Ericsson | 21622 |
19 |
| Apple Inc. | 54527 |
17 |
| Ribbon Communications Operating Company, Inc. | 476 |
17 |
| Qualcomm Incorporated | 84634 |
16 |
| Microsoft Technology Licensing, LLC | 53545 |
16 |
| First Orion Corp. | 170 |
14 |
| Jio Platforms Limited | 1356 |
14 |
| Malikie Innovations Limited | 7188 |
13 |
| Huawei Technologies Co., Ltd. | 111237 |
12 |
| Nippon Telegraph and Telephone Corporation | 17207 |
11 |
| Oracle International Corporation | 12907 |
10 |
| T-Mobile Innovations LLC | 3598 |
10 |
| BlackBerry Limited | 5165 |
9 |
| Orange S.A. | 1539 |
9 |
| 8x8, Inc. | 438 |
9 |
| Other owners | 260 |