- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Patent holdings for IPC class H04L 67/12
Total number of patents in this class: 4866
10-year publication summary
33
|
33
|
56
|
97
|
332
|
650
|
886
|
1169
|
1153
|
383
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Intel Corporation | 45621 |
110 |
Strong Force IoT Portfolio 2016, LLC | 320 |
84 |
Samsung Electronics Co., Ltd. | 131630 |
83 |
Toyota Motor Corporation | 28582 |
64 |
Huawei Technologies Co., Ltd. | 100781 |
54 |
Cisco Technology, Inc. | 18858 |
53 |
International Business Machines Corporation | 60644 |
51 |
Cilag GmbH International | 5813 |
49 |
Google LLC | 38759 |
44 |
State Farm Mutual Automobile Insurance Company | 2560 |
44 |
Siemens AG | 24990 |
43 |
Hyundai Motor Company | 19021 |
42 |
Robert Bosch GmbH | 40953 |
39 |
Qualcomm Incorporated | 76576 |
38 |
Fisher-Rosemount Systems, Inc. | 816 |
38 |
Tyco Fire & Security GmbH | 2172 |
37 |
Enlitic, Inc. | 85 |
36 |
Panasonic Intellectual Property Corporation of America | 7230 |
32 |
Chengdu Qinchuan IoT Technology Co., Ltd. | 291 |
31 |
Sumitomo Electric Industries, Ltd. | 14131 |
30 |
Other owners | 3864 |