- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/69 - Optical systems
Patent holdings for IPC class H04H 20/69
Total number of patents in this class: 45
10-year publication summary
|
5
|
7
|
5
|
4
|
3
|
2
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ARRIS Enterprises LLC | 3404 |
10 |
| Time Warner Cable Enterprises LLC | 851 |
9 |
| Cable Television Laboratories, Inc. | 1104 |
5 |
| Vecima Networks Inc. | 104 |
3 |
| Cox Communications, Inc. | 478 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
1 |
| ZTE Corporation | 44219 |
1 |
| Futurewei Technologies, Inc. | 3785 |
1 |
| Corning Optical Communications LLC | 1268 |
1 |
| Global Invacom Limited | 54 |
1 |
| Harmonic Inc. | 210 |
1 |
| Infinera Corporation | 636 |
1 |
| Telefonica, S.A. | 535 |
1 |
| AT&T Intellectual Property 1, L.P. | 22 |
1 |
| MUFG Union Bank, N.A. | 453 |
1 |
| Avago Technologies International Sales Pte. Limited | 8546 |
1 |
| Imai, Shuzo | 1 |
1 |
| Alcatel Lucent | 4321 |
1 |
| Oticom Co., Ltd | 1 |
1 |
| i-PRO Co., Ltd. | 403 |
1 |
| Other owners | 1 |