- 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: 7068
10-year publication summary
|
481
|
641
|
631
|
716
|
687
|
575
|
474
|
420
|
425
|
51
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43294 |
445 |
| Panasonic Intellectual Property Corporation of America | 7029 |
124 |
| Siemens AG | 24278 |
119 |
| Sumitomo Electric Industries, Ltd. | 15967 |
108 |
| Hyundai Motor Company | 23238 |
105 |
| Sumitomo Wiring Systems, Ltd. | 10702 |
104 |
| Huawei Technologies Co., Ltd. | 118145 |
101 |
| AutoNetworks Technologies, Ltd. | 6868 |
101 |
| Cisco Technology, Inc. | 22218 |
99 |
| NPX B.V. | 2651 |
90 |
| Toyota Motor Corporation | 33951 |
82 |
| Denso Corporation | 24983 |
75 |
| Qualcomm Incorporated | 88827 |
66 |
| Beckhoff Automation GmbH | 542 |
66 |
| Intel Corporation | 46569 |
63 |
| Mitsubishi Electric Corporation | 47352 |
63 |
| Bayerische Motoren Werke Aktiengesellschaft | 14870 |
62 |
| Volkswagen AG | 7387 |
60 |
| Texas Instruments Incorporated | 19542 |
58 |
| Kia Motors Corporation | 7739 |
57 |
| Other owners | 5020 |