- 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: 7131
10-year publication summary
|
481
|
641
|
631
|
716
|
687
|
577
|
475
|
423
|
426
|
117
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43526 |
445 |
| Panasonic Intellectual Property Corporation of America | 7070 |
124 |
| Siemens AG | 24240 |
120 |
| Sumitomo Electric Industries, Ltd. | 16061 |
109 |
| Hyundai Motor Company | 23618 |
107 |
| Sumitomo Wiring Systems, Ltd. | 10758 |
105 |
| AutoNetworks Technologies, Ltd. | 6915 |
102 |
| Cisco Technology, Inc. | 22245 |
99 |
| Huawei Technologies Co., Ltd. | 119724 |
98 |
| NPX B.V. | 2724 |
90 |
| Toyota Motor Corporation | 34468 |
87 |
| Denso Corporation | 25153 |
82 |
| Qualcomm Incorporated | 90013 |
66 |
| Beckhoff Automation GmbH | 543 |
66 |
| Intel Corporation | 46633 |
65 |
| Mitsubishi Electric Corporation | 47529 |
63 |
| Bayerische Motoren Werke Aktiengesellschaft | 14979 |
63 |
| Volkswagen AG | 7394 |
61 |
| Texas Instruments Incorporated | 19621 |
58 |
| Kia Motors Corporation | 7727 |
57 |
| Other owners | 5064 |