- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/08 - Key distribution
Patent holdings for IPC class H04L 9/08
Total number of patents in this class: 17196
10-year publication summary
|
540
|
815
|
1052
|
1254
|
1564
|
1932
|
2324
|
2789
|
3056
|
498
|
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 72244 |
590 |
| Intel Corporation | 47005 |
494 |
| Microsoft Technology Licensing, LLC | 48254 |
384 |
| Samsung Electronics Co., Ltd. | 108011 |
309 |
| Huawei Technologies Co., Ltd. | 68813 |
297 |
| Amazon Technologies, Inc. | 19577 |
271 |
| NEC Corporation | 27482 |
229 |
| Cisco Technology, Inc. | 19307 |
217 |
| Qualcomm Incorporated | 59295 |
216 |
| Visa International Service Association | 3147 |
183 |
| Sony Corporation | 43743 |
179 |
| Apple Inc. | 38979 |
177 |
| Pure Storage, Inc. | 1803 |
171 |
| BlackBerry Limited | 14391 |
169 |
| Nokia Technologies Oy | 11505 |
157 |
| Advanced New Technologies Co., Ltd. | 2527 |
152 |
| Mitsubishi Electric Corporation | 36559 |
139 |
| Nippon Telegraph and Telephone Corporation | 5504 |
124 |
| Google LLC | 31798 |
121 |
| EMC IP Holding Company LLC | 9182 |
116 |
| Other owners | 12501 |