- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/67 - Optical arrangements in the receiver
Patent holdings for IPC class H04B 10/67
Total number of patents in this class: 599
10-year publication summary
|
37
|
25
|
78
|
77
|
65
|
57
|
53
|
45
|
30
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 36124 |
38 |
| Raytheon Company | 8400 |
38 |
| Huawei Technologies Co., Ltd. | 114320 |
27 |
| Nippon Telegraph and Telephone Corporation | 16975 |
16 |
| Fujitsu Limited | 17684 |
15 |
| Sumitomo Electric Industries, Ltd. | 15659 |
11 |
| Cisco Technology, Inc. | 22033 |
11 |
| Infinera Corporation | 639 |
11 |
| Fujitsu Optical Components Limited | 291 |
9 |
| Massachusetts Institute of Technology | 10117 |
9 |
| Hewlett Packard Enterprise Development LP | 10756 |
9 |
| II-VI Delaware, Inc. | 1653 |
9 |
| ZTE Corporation | 42789 |
8 |
| Kookmin University Industry Academy Cooperation Foundation | 395 |
8 |
| Adolite Inc. | 22 |
8 |
| Ciena Corporation | 2044 |
7 |
| Ouster, Inc. | 167 |
7 |
| Telefonaktiebolaget LM Ericsson (publ) | 28345 |
7 |
| LG Electronics Inc. | 73690 |
6 |
| Nokia Solutions And Networks Oy | 6787 |
6 |
| Other owners | 339 |