- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/50 - Transmitters
Patent holdings for IPC class H04B 10/50
Total number of patents in this class: 4050
10-year publication summary
|
348
|
417
|
423
|
433
|
385
|
402
|
326
|
294
|
242
|
181
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 123867 |
248 |
| NEC Corporation | 37135 |
114 |
| Nippon Telegraph and Telephone Corporation | 15934 |
107 |
| Cisco Technology, Inc. | 22547 |
87 |
| Infinera Corporation | 636 |
85 |
| Fujitsu Limited | 16860 |
73 |
| Marvell Asia PTE, Ltd. | 6308 |
73 |
| Cable Television Laboratories, Inc. | 1104 |
70 |
| Ciena Corporation | 2190 |
58 |
| Mitsubishi Electric Corporation | 48146 |
55 |
| Cavium International | 4639 |
53 |
| II-VI Delaware, Inc. | 1623 |
52 |
| Hewlett Packard Enterprise Development LP | 11508 |
42 |
| Sumitomo Electric Industries, Ltd. | 16412 |
40 |
| Applied Optoelectronics, Inc. | 226 |
40 |
| 1FINITY Inc. | 1524 |
40 |
| Intel Corporation | 47069 |
37 |
| Fujitsu Optical Components Limited | 298 |
36 |
| Ntt, Inc. | 4289 |
35 |
| Futurewei Technologies, Inc. | 3787 |
34 |
| Other owners | 2671 |