- 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: 848
10-year publication summary
|
59
|
70
|
55
|
36
|
32
|
23
|
15
|
19
|
10
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 18858 |
44 |
| Huawei Technologies Co., Ltd. | 100781 |
38 |
| Avago Technologies International Sales Pte. Limited | 9260 |
32 |
| Ericsson | 20417 |
23 |
| Juniper Networks, Inc. | 3556 |
23 |
| Intel Corporation | 45621 |
20 |
| Samsung Electronics Co., Ltd. | 131630 |
17 |
| Hewlett Packard Enterprise Development LP | 10702 |
17 |
| LG Electronics Inc. | 69257 |
15 |
| International Business Machines Corporation | 60644 |
14 |
| Qualcomm Incorporated | 76576 |
13 |
| Marvell Asia PTE, Ltd. | 6841 |
13 |
| Cavium International | 5549 |
13 |
| salesforce.com, inc. | 5003 |
11 |
| Oracle America, Inc. | 3928 |
10 |
| ZTE Corporation | 39218 |
10 |
| Fujitsu Limited | 19265 |
9 |
| Altera Corporation | 2241 |
9 |
| Ciena Corporation | 1927 |
9 |
| Nokia Technologies Oy | 15057 |
8 |
| Other owners | 500 |