- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/16 - Arrangements for providing special services to substations
Patent holdings for IPC class H04L 12/16
Total number of patents in this class: 2620
10-year publication summary
|
162
|
121
|
129
|
131
|
117
|
57
|
18
|
11
|
12
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22668 |
88 |
| Samsung Electronics Co., Ltd. | 159755 |
81 |
| BlackBerry Limited | 4807 |
80 |
| LG Electronics Inc. | 76328 |
71 |
| Huawei Technologies Co., Ltd. | 125590 |
54 |
| International Business Machines Corporation | 62871 |
42 |
| The Toronto-Dominion Bank | 3274 |
41 |
| Research In Motion Limited | 1273 |
40 |
| Microsoft Technology Licensing, LLC | 54706 |
39 |
| Google LLC | 44941 |
35 |
| Amazon Technologies, Inc. | 28358 |
31 |
| Malikie Innovations Limited | 6328 |
31 |
| Ericsson | 23125 |
29 |
| IBM Canada Limited-ibm Canada Limitee | 110 |
28 |
| ZTE Corporation | 44368 |
25 |
| BCE Inc. | 334 |
25 |
| 10353744 Canada Ltd. | 853 |
24 |
| Hewlett-Packard Development Company, L.P. | 25103 |
22 |
| Avaya Inc. | 950 |
20 |
| CAE Inc. | 259 |
19 |
| Other owners | 1795 |