- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/403 - Bus networks with centralised control, e.g. polling
Patent holdings for IPC class H04L 12/403
Total number of patents in this class: 803
10-year publication summary
|
64
|
61
|
67
|
55
|
69
|
79
|
63
|
35
|
28
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
29 |
| Mitsubishi Electric Corporation | 43934 |
24 |
| Qualcomm Incorporated | 76576 |
22 |
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
15 |
| Siemens AG | 24990 |
14 |
| Beckhoff Automation GmbH | 486 |
14 |
| Infineon Technologies AG | 8189 |
12 |
| Omron Corporation | 6968 |
12 |
| Huawei Technologies Co., Ltd. | 100781 |
11 |
| WAGO Verwaltungsgesellschaft mbH | 462 |
11 |
| Avago Technologies International Sales Pte. Limited | 9260 |
11 |
| Analog Devices, Inc. | 3475 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| GeoFrenzy, Inc. | 77 |
8 |
| Airbus Operations GmbH | 3188 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| Continental Teves AG & Co. oHG | 2354 |
7 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
7 |
| LG Electronics Inc. | 69257 |
6 |
| Continental Automotive GmbH | 5573 |
6 |
| Other owners | 561 |