- 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: 7353
10-year publication summary
|
499
|
656
|
644
|
746
|
700
|
586
|
491
|
438
|
447
|
311
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44427 |
454 |
| Panasonic Intellectual Property Corporation of America | 7318 |
124 |
| Sumitomo Electric Industries, Ltd. | 16419 |
122 |
| Sumitomo Wiring Systems, Ltd. | 11259 |
118 |
| Siemens AG | 23943 |
116 |
| Hyundai Motor Company | 25190 |
116 |
| AutoNetworks Technologies, Ltd. | 7319 |
115 |
| Huawei Technologies Co., Ltd. | 125590 |
101 |
| Cisco Technology, Inc. | 22668 |
99 |
| Toyota Motor Corporation | 36465 |
94 |
| NPX B.V. | 2865 |
93 |
| Denso Corporation | 25909 |
90 |
| Qualcomm Incorporated | 93957 |
68 |
| Beckhoff Automation GmbH | 558 |
67 |
| Intel Corporation | 46342 |
66 |
| Bayerische Motoren Werke Aktiengesellschaft | 15535 |
64 |
| Mitsubishi Electric Corporation | 48508 |
63 |
| Volkswagen AG | 7507 |
62 |
| LG Energy Solution, Ltd. | 19856 |
61 |
| Texas Instruments Incorporated | 19643 |
60 |
| Other owners | 5200 |