- 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: 6017
10-year publication summary
|
342
|
347
|
444
|
500
|
653
|
639
|
741
|
674
|
538
|
195
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40323 |
421 |
| Siemens AG | 26186 |
121 |
| Panasonic Intellectual Property Corporation of America | 5406 |
106 |
| Huawei Technologies Co., Ltd. | 91672 |
89 |
| Hyundai Motor Company | 17036 |
87 |
| Sumitomo Electric Industries, Ltd. | 13513 |
86 |
| Sumitomo Wiring Systems, Ltd. | 8747 |
84 |
| AutoNetworks Technologies, Ltd. | 5362 |
81 |
| Cisco Technology, Inc. | 18687 |
77 |
| Continental Automotive GmbH | 5636 |
72 |
| Qualcomm Incorporated | 70338 |
65 |
| Intel Corporation | 46078 |
65 |
| NPX B.V. | 2044 |
65 |
| Mitsubishi Electric Corporation | 41690 |
62 |
| Beckhoff Automation GmbH | 461 |
62 |
| Denso Corporation | 23152 |
61 |
| Kia Motors Corporation | 8179 |
57 |
| Volkswagen AG | 6842 |
57 |
| Toyota Motor Corporation | 28316 |
56 |
| Bayerische Motoren Werke Aktiengesellschaft | 12204 |
52 |
| Other owners | 4191 |