- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/17 - in which processing or amplification is carried out without conversion of the signal from optical form
Patent holdings for IPC class H04B 10/17
Total number of patents in this class: 141
10-year publication summary
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Northrop Grumman Systems Corporation | 2912 |
9 |
| Fujikura Ltd. | 3117 |
7 |
| NEC Corporation | 37312 |
6 |
| Lockheed Martin Corporation | 3254 |
6 |
| Fujitsu Limited | 16851 |
5 |
| OFS Fitel, LLC | 575 |
5 |
| Institut National D'optique | 292 |
4 |
| Xieon Networks S.a.r.l. | 160 |
4 |
| Mitsubishi Electric Corporation | 48287 |
3 |
| Huawei Technologies Co., Ltd. | 124630 |
3 |
| IMRA America, Inc. | 150 |
3 |
| Electro Scientific Industries, Inc. | 345 |
3 |
| II-VI Delaware, Inc. | 1618 |
3 |
| IPG Photonics Corporation | 593 |
3 |
| Molex, LLC | 2078 |
3 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 886 |
3 |
| AT&T Corporation | 55 |
2 |
| Corning Incorporated | 10532 |
2 |
| Ciena Corporation | 2197 |
2 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1930 |
2 |
| Other owners | 63 |