- 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 |