- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/70 - Photonic quantum communication
Patent holdings for IPC class H04B 10/70
Total number of patents in this class: 827
10-year publication summary
|
26
|
35
|
51
|
48
|
76
|
76
|
122
|
123
|
156
|
64
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 11964 |
31 |
| Nokia Technologies Oy | 13817 |
25 |
| International Business Machines Corporation | 63228 |
20 |
| Huawei Technologies Co., Ltd. | 91895 |
18 |
| Corning Incorporated | 9823 |
18 |
| AT&T Intellectual Property I, L.P. | 11368 |
17 |
| NEC Corporation | 30716 |
17 |
| Psiquantum, Corp. | 237 |
15 |
| ArQit Limited | 64 |
14 |
| LG Electronics Inc. | 67597 |
13 |
| Massachusetts Institute of Technology | 9617 |
13 |
| Yale University | 2086 |
13 |
| ID Quantique SA | 80 |
12 |
| Eagle Technology, LLC | 303 |
12 |
| British Telecommunications Public Limited Company | 2571 |
11 |
| The Boeing Company | 20293 |
10 |
| Cisco Technology, Inc. | 18706 |
10 |
| National University Corporation Hokkaido University | 1252 |
10 |
| Microsoft Technology Licensing, LLC | 48394 |
8 |
| The United States of America as represented by the Secretary of the Army | 1294 |
8 |
| Other owners | 532 |