- 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: 6346
10-year publication summary
|
347
|
444
|
499
|
656
|
642
|
744
|
689
|
561
|
456
|
151
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
418 |
| Siemens AG | 24990 |
121 |
| Panasonic Intellectual Property Corporation of America | 7230 |
116 |
| Huawei Technologies Co., Ltd. | 100781 |
104 |
| Hyundai Motor Company | 19021 |
93 |
| Sumitomo Electric Industries, Ltd. | 14131 |
86 |
| Cisco Technology, Inc. | 18858 |
84 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
84 |
| AutoNetworks Technologies, Ltd. | 5809 |
81 |
| NPX B.V. | 2204 |
77 |
| Continental Automotive GmbH | 5573 |
72 |
| Intel Corporation | 45621 |
65 |
| Qualcomm Incorporated | 76576 |
64 |
| Toyota Motor Corporation | 28582 |
63 |
| Mitsubishi Electric Corporation | 43934 |
63 |
| Beckhoff Automation GmbH | 486 |
63 |
| Denso Corporation | 23338 |
60 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
58 |
| Volkswagen AG | 6966 |
58 |
| Kia Motors Corporation | 7946 |
57 |
| Other owners | 4459 |