- 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: 6900
10-year publication summary
|
439
|
481
|
641
|
631
|
716
|
687
|
573
|
471
|
414
|
296
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42813 |
440 |
| Panasonic Intellectual Property Corporation of America | 6835 |
124 |
| Siemens AG | 24409 |
120 |
| Sumitomo Electric Industries, Ltd. | 15593 |
106 |
| Sumitomo Wiring Systems, Ltd. | 10444 |
102 |
| Hyundai Motor Company | 22257 |
101 |
| Huawei Technologies Co., Ltd. | 113689 |
100 |
| AutoNetworks Technologies, Ltd. | 6648 |
99 |
| Cisco Technology, Inc. | 21991 |
94 |
| NPX B.V. | 2566 |
87 |
| Toyota Motor Corporation | 32788 |
73 |
| Denso Corporation | 24431 |
72 |
| Beckhoff Automation GmbH | 523 |
67 |
| Qualcomm Incorporated | 86346 |
65 |
| Intel Corporation | 47143 |
64 |
| Mitsubishi Electric Corporation | 46397 |
61 |
| Bayerische Motoren Werke Aktiengesellschaft | 14462 |
61 |
| Volkswagen AG | 7348 |
60 |
| Kia Motors Corporation | 7751 |
57 |
| Marvell Asia PTE, Ltd. | 6521 |
52 |
| Other owners | 4895 |