- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/64 - Hybrid switching systems
Patent holdings for IPC class H04L 12/64
Total number of patents in this class: 1589
10-year publication summary
|
236
|
113
|
111
|
92
|
59
|
49
|
28
|
24
|
21
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 125590 |
136 |
| Hewlett Packard Enterprise Development LP | 12492 |
64 |
| Cisco Technology, Inc. | 22668 |
58 |
| ZTE Corporation | 44368 |
31 |
| International Business Machines Corporation | 62871 |
29 |
| Samsung Electronics Co., Ltd. | 159755 |
28 |
| Microsoft Technology Licensing, LLC | 54706 |
22 |
| AT&T Intellectual Property I, L.P. | 10062 |
20 |
| Ericsson | 23125 |
20 |
| Qualcomm Incorporated | 93957 |
17 |
| Intel Corporation | 46342 |
17 |
| Pismo Labs Technology Limited | 270 |
17 |
| Avago Technologies International Sales Pte. Limited | 8518 |
17 |
| Apple Inc. | 59479 |
14 |
| NEC Corporation | 37563 |
14 |
| Verizon Patent And Licensing Inc. | 7700 |
14 |
| Amazon Technologies, Inc. | 28358 |
14 |
| Panasonic Intellectual Property Corporation of America | 7318 |
12 |
| Futurewei Technologies, Inc. | 3790 |
12 |
| Peltbeam Inc. | 209 |
12 |
| Other owners | 1021 |