- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/40 - Bus networks
Patent holdings for IPC class H04L 12/40
Total number of patents in this class: 6622
10-year publication summary
|
444
|
499
|
656
|
643
|
746
|
697
|
578
|
468
|
409
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41786 |
422 |
| Panasonic Intellectual Property Corporation of America | 7405 |
122 |
| Siemens AG | 24565 |
121 |
| Huawei Technologies Co., Ltd. | 106762 |
100 |
| Sumitomo Electric Industries, Ltd. | 14972 |
96 |
| Hyundai Motor Company | 20483 |
96 |
| Cisco Technology, Inc. | 19347 |
93 |
| Sumitomo Wiring Systems, Ltd. | 10016 |
93 |
| AutoNetworks Technologies, Ltd. | 6329 |
90 |
| NPX B.V. | 2372 |
81 |
| Continental Automotive GmbH | 5541 |
73 |
| Toyota Motor Corporation | 30455 |
70 |
| Beckhoff Automation GmbH | 504 |
65 |
| Qualcomm Incorporated | 81865 |
64 |
| Intel Corporation | 46126 |
63 |
| Denso Corporation | 23769 |
61 |
| Mitsubishi Electric Corporation | 44851 |
60 |
| Bayerische Motoren Werke Aktiengesellschaft | 13863 |
60 |
| Volkswagen AG | 7282 |
60 |
| Kia Motors Corporation | 7777 |
57 |
| Other owners | 4675 |