- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/50 - Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
Patent holdings for IPC class H04L 12/50
Total number of patents in this class: 713
10-year publication summary
|
55
|
36
|
32
|
24
|
15
|
21
|
12
|
2
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22300 |
34 |
| Huawei Technologies Co., Ltd. | 120453 |
34 |
| Avago Technologies International Sales Pte. Limited | 8611 |
23 |
| Ericsson | 22306 |
21 |
| Juniper Networks, Inc. | 3779 |
20 |
| Intel Corporation | 46681 |
19 |
| Hewlett Packard Enterprise Development LP | 10897 |
17 |
| Samsung Electronics Co., Ltd. | 154120 |
14 |
| LG Electronics Inc. | 75045 |
14 |
| Qualcomm Incorporated | 90374 |
13 |
| International Business Machines Corporation | 62251 |
13 |
| salesforce.com, inc. | 5903 |
11 |
| Marvell Asia PTE, Ltd. | 6342 |
11 |
| Cavium International | 4757 |
11 |
| Altera Corporation | 2463 |
10 |
| Oracle America, Inc. | 2637 |
9 |
| ZTE Corporation | 43624 |
9 |
| Fujitsu Limited | 17003 |
7 |
| Ciena Corporation | 2152 |
7 |
| Nokia Technologies Oy | 20346 |
7 |
| Other owners | 409 |