- 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: 245
10-year publication summary
|
12
|
8
|
11
|
5
|
6
|
7
|
10
|
3
|
7
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 93957 |
13 |
| Samsung Electronics Co., Ltd. | 159755 |
9 |
| Huawei Technologies Co., Ltd. | 125590 |
9 |
| Robert Bosch GmbH | 44427 |
8 |
| Nippon Telegraph and Telephone Corporation | 15898 |
8 |
| Ericsson | 23125 |
7 |
| Marvell Asia PTE, Ltd. | 6235 |
6 |
| Cavium International | 4533 |
6 |
| Panasonic Corporation | 18572 |
5 |
| Texas Instruments Incorporated | 19643 |
5 |
| Altera Corporation | 2485 |
5 |
| Lutron Technology Company LLC | 2788 |
5 |
| Siemens AG | 23943 |
4 |
| Industrial Technology Research Institute | 5204 |
4 |
| Xilinx, Inc. | 3945 |
4 |
| Avago Technologies International Sales Pte. Limited | 8518 |
4 |
| NEC Corporation | 37563 |
3 |
| Cisco Technology, Inc. | 22668 |
3 |
| ZTE Corporation | 44368 |
3 |
| Ciena Corporation | 2213 |
3 |
| Other owners | 131 |