- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/43 - Loop networks with decentralised control with synchronous transmission, e.g. time division multiplex [TDM], slotted rings
Patent holdings for IPC class H04L 12/43
Total number of patents in this class: 271
10-year publication summary
|
6
|
12
|
8
|
11
|
5
|
6
|
7
|
10
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 144143 |
11 |
| Qualcomm Incorporated | 84501 |
10 |
| Robert Bosch GmbH | 42450 |
9 |
| Huawei Technologies Co., Ltd. | 110995 |
9 |
| Nippon Telegraph and Telephone Corporation | 17157 |
8 |
| Ericsson | 21593 |
7 |
| Marvell Asia PTE, Ltd. | 6555 |
6 |
| Cavium International | 5080 |
6 |
| Panasonic Corporation | 20173 |
5 |
| Texas Instruments Incorporated | 19487 |
5 |
| Altera Corporation | 2204 |
5 |
| Siemens AG | 24561 |
4 |
| Industrial Technology Research Institute | 5026 |
4 |
| Xilinx, Inc. | 4012 |
4 |
| Avago Technologies International Sales Pte. Limited | 8835 |
4 |
| Lutron Technology Company LLC | 2532 |
4 |
| NEC Corporation | 35351 |
3 |
| Fujitsu Limited | 18356 |
3 |
| Cisco Technology, Inc. | 19623 |
3 |
| Google Technology Holdings LLC | 2343 |
3 |
| Other owners | 158 |