- 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: 308
10-year publication summary
|
14
|
6
|
12
|
8
|
11
|
5
|
6
|
7
|
10
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Qualcomm Incorporated | 76576 |
10 |
| Huawei Technologies Co., Ltd. | 100781 |
10 |
| Ericsson | 20417 |
9 |
| Robert Bosch GmbH | 40953 |
9 |
| Nippon Telegraph and Telephone Corporation | 14195 |
8 |
| Texas Instruments Incorporated | 19376 |
7 |
| Marvell Asia PTE, Ltd. | 6841 |
6 |
| Cavium International | 5549 |
6 |
| Siemens AG | 24990 |
5 |
| Panasonic Corporation | 20786 |
5 |
| Ciena Corporation | 1927 |
5 |
| Avago Technologies International Sales Pte. Limited | 9260 |
5 |
| Cisco Technology, Inc. | 18858 |
4 |
| Industrial Technology Research Institute | 4898 |
4 |
| Altera Corporation | 2241 |
4 |
| Xilinx, Inc. | 4086 |
4 |
| Lutron Technology Company LLC | 2300 |
4 |
| Sony Corporation | 32931 |
3 |
| NEC Corporation | 32703 |
3 |
| Other owners | 186 |