- 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: 6956
10-year publication summary
|
439
|
481
|
641
|
631
|
716
|
687
|
574
|
471
|
414
|
362
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42941 |
444 |
| Panasonic Intellectual Property Corporation of America | 6892 |
124 |
| Siemens AG | 24363 |
120 |
| Sumitomo Electric Industries, Ltd. | 15693 |
107 |
| Hyundai Motor Company | 22610 |
104 |
| Sumitomo Wiring Systems, Ltd. | 10518 |
103 |
| Huawei Technologies Co., Ltd. | 114984 |
101 |
| AutoNetworks Technologies, Ltd. | 6706 |
100 |
| Cisco Technology, Inc. | 22095 |
95 |
| NPX B.V. | 2603 |
88 |
| Toyota Motor Corporation | 33246 |
75 |
| Denso Corporation | 24663 |
74 |
| Beckhoff Automation GmbH | 528 |
67 |
| Qualcomm Incorporated | 86992 |
65 |
| Intel Corporation | 46760 |
63 |
| Mitsubishi Electric Corporation | 46757 |
62 |
| Bayerische Motoren Werke Aktiengesellschaft | 14605 |
61 |
| Volkswagen AG | 7384 |
60 |
| Kia Motors Corporation | 7743 |
57 |
| Texas Instruments Incorporated | 19481 |
51 |
| Other owners | 4935 |